| Godden | John | breaking and cleaning flax and hemp | 2922 | Pittsburg | Van Buren | 1843 |
| Johnston | George | worm tub for stills | 8969 | Farmington | Van Buren | 1852 |
| Lyon | John | ditching plow | 11382 | Harrisburg | Van Buren | 1854 |
| Mayne | P. | excavating and grading machine | 29183 | Keosauqua | Van Buren | 1860 |
| Abell | W. | machinery for spinning wool | 35205 | Vernon | Van Buren | 1862 |
| Wallis | James | portable fence | 35793 | Milton | Van Buren | 1862 |
| Wallis | James | hand corn planter | 36815 | Milton | Van Buren | 1862 |
| Wallis | W. | hand corn planter | 36815 | Milton | Van Buren | 1862 |
| Dibble | C. | stave machine | 46548 | Farmington | Van Buren | 1865 |
| Clark | N. | gold washer | 46641 | Benton's Port | Van Buren | 1865 |
| Adams | J. | corn planter | 47608 | Birmingham | Van Buren | 1865 |
| Miller | Elias | corn harvester | 53710 | Milton | Van Buren | 1866 |
| Wallis | J. | corn harvester | 53710 | Milton | Van Buren | 1866 |
| St. John | Carlisle | plow | 58911 | Keosauqua | Van Buren | 1866 |
| Swearingen | E. | pump bellows | 60098 | Milton | Van Buren | 1866 |
| Wallis | J. | bellows pump | 60098 | Milton | Van Buren | 1866 |
| Van Eps | C. | gate | 63444 | Farmington | Van Buren | 1867 |
| Bean | W. | wagon brake | 63833 | Iowaville | Van Buren | 1867 |
| Mason | J. | bridle | 65101 | Benton's Port | Van Buren | 1867 |
| Purviance | A. | baling press | 66388 | Mount Zion | Van Buren | 1867 |
| Hart | J. | spinning machine | 68872 | Farmington | Van Buren | 1867 |
| Hart | S. | spinning machine | 68872 | Farmington | Van Buren | 1867 |
| Reesman | J. | spinning machine | 68872 | Farmington | Van Buren | 1867 |
| Wandel | Charles | hand loom | 68918 | Milton | Van Buren | 1867 |
| Purviance | A. | operating horse hay forks | 69479 | Keosauqua | Van Buren | 1867 |
| Clark | Francis | stave machine | 71276 | Benton's Port | Van Buren | 1867 |
| Clark | Francis | stave machine | 71277 | Benton's Port | Van Buren | 1867 |
| Silvis | Anthony | hand spinning machine | 75063 | Birmingham | Van Buren | 1868 |
| Israel | J. | fence post driver | 80962 | Utica | Van Buren | 1868 |
| Silvis | Anthony | loom | 83557 | Birmingham | Van Buren | 1868 |
| Lowden | William | elevator | 84127 | Cedar Township, Van Buren County | Van Buren | 1868 |
| Monson | C. | leather rolling machine | 93465 | Upton | Van Buren | 1869 |
| Beardsley | Aaron | show counter | 96188 | Mount Zion | Van Buren | 1869 |
| Zeitler | Christopher | mechanical movement | 124712 | Benton's Port | Van Buren | 1872 |
| Custer | John | grain separator | 126683 | Bonaparte | Van Buren | 1872 |
| Graves | Cincinnatus | car coupling | 133364 | Hickory | Van Buren | 1872 |
| Wright | Harry | steam generator | 141974 | Bonaparte | Van Buren | 1873 |
| Smith | Charles | car coupling | 151628 | Bonaparte | Van Buren | 1874 |
| Smith | Newton | stave sawing machine | 152698 | Bonaparte | Van Buren | 1874 |
| Metz | Benjamin | earth auger | 176029 | Pittsburg | Van Buren | 1876 |
| Aldridge | William | marking attachment for land rollers | 181300 | Lebanon | Van Buren | 1876 |
| Miller | William | earth boring machinery | 181587 | Birmingham | Van Buren | 1876 |
| Baker | James | farm gate | 181898 | Benton's Port | Van Buren | 1876 |
| West | Andrew | station indicator | 208655 | Birmingham | Van Buren | 1878 |
| Rogers | Jonathan | chrun | 214457 | Mount Sterling | Van Buren | 1879 |
| Custer | John | ditching machine | 217073 | Bonaparte | Van Buren | 1879 |
| Doyle | Peter | sled brake | 218504 | Vernon | Van Buren | 1879 |
| Phillips | Harley | washing machine | 229178 | Winchester | Van Buren | 1880 |
| Phillips | Theodore | washing machine | 229178 | Winchester | Van Buren | 1880 |
| Casady | William | wheel making machine | 234753 | Milton | Van Buren | 1880 |
| Schmitz | William | elevator roof for hay or grain | 236846 | Farmington | Van Buren | 1881 |
| Bauder | Charles | harness saddle | 259793 | Bonaparte | Van Buren | 1882 |
| Bauder | George | harness saddle | 259793 | Bonaparte | Van Buren | 1882 |
| Allen | Azro | railway car | 260920 | Farmington | Van Buren | 1882 |
| Byers | Eli | hay elevator and carrier | 271218 | Birmingham | Van Buren | 1883 |
| Bergen | Samuel | spring brace for vehicles | 276213 | Cantril | Van Buren | 1883 |
| Smith | Lewis | revolving riddle for thrashing machines | 282790 | Cantril | Van Buren | 1883 |
| West | Andrew | roundabout | 288898 | Birmingham | Van Buren | 1883 |
| Hardisty | John | breast drill | 295386 | Bonaparte | Van Buren | 1884 |
| King | Frederick | balanced stack-roof | 304828 | Farmington | Van Buren | 1884 |
| Hill | Henry | apparatus for painting wire fences | 308506 | Milton | Van Buren | 1884 |
| Marsau | Alonzo | apparatus for painting wire fences | 308506 | Milton | Van Buren | 1884 |
| Teal | Furgerson | apparatus for watering stock | 319038 | Utica | Van Buren | 1885 |
| Loomis | Loira | neck yoke | 340952 | Doud's Station | Van Buren | 1886 |
| Countryman | George | car coupling | 345771 | Birmingham | Van Buren | 1886 |
| Norcross | Linnaeus | stem winding watch | 347886 | Birmingham | Van Buren | 1886 |
| Barber | Alonzo | paint brush | 348508 | Benton's Port | Van Buren | 1886 |
| George | David | washing machine | 350735 | Milton | Van Buren | 1886 |
| Church | Alvin | sash holder | 357578 | Farmington | Van Buren | 1887 |
| Conner | William | keyed musical tube | 358841 | Milton | Van Buren | 1887 |
| Church | Alvin | pen holder | 368651 | Farmington | Van Buren | 1887 |
| Burg | Lewis | road cart | 376470 | Farmington | Van Buren | 1888 |
| Burg | Lewis | shaft tug | 391835 | Farmington | Van Buren | 1888 |
| Burg | Lewis | road cart | 391836 | Farmington | Van Buren | 1888 |
| Atkins | James | photographic vignette | 18475 | Milton | Van Buren | 1888 |
| Countryman | George | sash fastener | 420335 | Birmingham | Van Buren | 1890 |
| Sanford | George | mowing machine | 422162 | Kilbourn | Van Buren | 1890 |
| Burg | Lewis | road cart | 443592 | Farmington | Van Buren | 1890 |
| Warren | Samuel | feed rack | 449303 | Keosauqua | Van Buren | 1891 |
| Springer | Amos | wire stretcher | 449808 | Leando | Van Buren | 1891 |
| Jackson | John | wire stretcher | 449808 | Leando | Van Buren | 1891 |
| Roankles | John | carpet stretcher | 456432 | Farmington | Van Buren | 1891 |
| Pittman | Edward | device for applying wires to fence posts | 510933 | Cantril | Van Buren | 1893 |
| French | Samuel | derrick | 514355 | Farmington | Van Buren | 1894 |
| Clayton | George | car coupling | 548295 | Lebanon | Van Buren | 1895 |
| Pittman | Clyde | apparatus for use in poultry houses | 553016 | Cantril | Van Buren | 1896 |
| Stoddard | Merchant | ore concentrator | 565812 | Farmington | Van Buren | 1896 |
| Beard | Arnold | window screen | 567214 | Bonaparte | Van Buren | 1896 |
| Schaeffer | Henry | car coupling | 567866 | Farmington | Van Buren | 1896 |
| Clayton | George | fence post | 574191 | Lebanon | Van Buren | 1896 |
| Rees | Harrison | corn planter | 603739 | Farmington | Van Buren | 1898 |
| Springer | Amos | corner iron for vehicle bodies | 607490 | Leando | Van Buren | 1898 |
| Thayer | Julius | cream separator | 608311 | Milton | Van Buren | 1898 |
| Stanley | James | check row corn planter | 662174 | Birmingham | Van Buren | 1900 |
| Clayton | George W. | sheep dipping apparatus | 663417 | Lebanon | Van Buren | 1900 |
| Warren | Samuel | watch chain | 645149 | Keosauqua | Van Buren | 1900 |
| Whitlock | Henry | cream separator | 645242 | Farmington | Van Buren | 1900 |
| Kirkendall | Elijah | road grading machine | 645363 | Leando | Van Buren | 1900 |
| Gentner | William | spool cabinet | 646424 | Farmington | Van Buren | 1900 |
| Seward | John | rotary engine | 652551 | Benton's Port | Van Buren | 1900 |
| Seward | George | rotary engine | 652551 | Benton's Port | Van Buren | 1900 |
| Chapman | Leo | rotary engine | 652551 | Benton's Port | Van Buren | 1900 |
| Engelbright | Frederick | gate | 652760 | Farmington | Van Buren | 1900 |
| Gentner | William | spool delivery cabinet | 667081 | Farmington | Van Buren | 1901 |
| French | Samuel | hay stacker | 667306 | Farmington | Van Buren | 1901 |
| Englebright | Frederick | door hanger | 668986 | Farmington | Van Buren | 1901 |
| Pittman | Edward | copy holder | 688332 | Keosauqua | Van Buren | 1901 |
| Newman | George | telephone attachment | 712402 | Bonaparte | Van Buren | 1902 |
| Pittman | Edward | copy holder | 716577 | Keosauqua | Van Buren | 1902 |
| Smith | Newton | chisel | 740937 | Bonaparte | Van Buren | 1903 |
| Entler | Edwin | easel | 763382 | Bonaparte | Van Buren | 1904 |
| Roberts | Oscar | sawing machine | 771209 | Stockport | Van Buren | 1904 |
| Hagler | John | automatic wagon brake | 789422 | Milton | Van Buren | 1905 |
| Nixon | Jacob | ditching machine | 814982 | Stockport | Van Buren | 1906 |
| Knowles | Jesse | electrothermostatic fire alarm | 833465 | Stockport | Van Buren | 1906 |
| Gregory | Silas | electrothermostatic fire alarm | 833465 | Stockport | Van Buren | 1906 |
| Perjue | Ira | molding mechanism | 836277 | Milton | Van Buren | 1906 |
| Poulter | Micajah | fire alarm or temperature indicator | 853826 | Stockport | Van Buren | 1907 |
| Poulter | Micajah | tile ditching machine | 868937 | Stockport | Van Buren | 1907 |
| Munson | Marion | tile ditching machine | 868937 | Stockport | Van Buren | 1907 |
| Nixon | Jacob | corn harvester | 870247 | Stockport | Van Buren | 1907 |
| French | Samuel | manure scraper and loader | 879253 | Farmington | Van Buren | 1908 |
| Truax | Benjamin | copy holder | 882220 | Keosauqua | Van Buren | 1908 |
| Adams | Frederick | automatic drain cock for air brakes | 891808 | Selma | Van Buren | 1908 |
| Swanson | Albert | automatic music leaf turner | 896480 | Stockport | Van Buren | 1908 |
| Welch | Johnson | fishing device | 900139 | Stockport | Van Buren | 1908 |
| Wheatley | Caleb | fishing device | 900139 | Stockport | Van Buren | 1908 |
| Linn | George | wire stretcher | 917879 | Cantril | Van Buren | 1909 |
| Parsons | Edward | vapor burning lamp | 920172 | Mount Sterling | Van Buren | 1909 |
| Steinmeyer | Samuel | copy holder | 962988 | Bonaparte | Van Buren | 1910 |
| Poulter | Micajah | crumber | 969187 | Stockport | Van Buren | 1910 |
| Poulter | Micajah | clutch | 970548 | Stockport | Van Buren | 1910 |
| Swanson | Albert | automatic music leaf turner | 970766 | Stockport | Van Buren | 1910 |
| Loomis | Loira | ditching and tile machine | 946609 | Keosauqua | Van Buren | 1910 |
| Collister | Lloyd | making calcimine | 1021136 | Farmington | Van Buren | 1912 |
| Park | Orva | road grading machine | 1028060 | Mount Sterling | Van Buren | 1912 |
| Cox | Ray | cylinder tooth | 1052041 | Benton's Port | Van Buren | 1913 |
| McFarland | Harvey | gate hinge | 1054928 | Milton | Van Buren | 1913 |
| McFarland | Harvey | hinge | 1057972 | Milton | Van Buren | 1913 |
| Zane | James | toe calk shears | 1058134 | Farmington | Van Buren | 1913 |
| Countryman | George | form for concrete culverts | 1074492 | Birmingham | Van Buren | 1913 |
| Perkins | William | scraper | 1085355 | Bonaparte | Van Buren | 1914 |
| Bagby | James | clamp | 1097285 | Stockport | Van Buren | 1914 |
| Schee | John | gate hinge | 1098591 | Farmington | Van Buren | 1914 |
| Lyons | Montraville | gate hinge | 1098591 | Farmington | Van Buren | 1914 |
| Prail | George | scuttle ladder | 1109460 | Keosauqua | Van Buren | 1914 |
| McFarland | Harvey | watering device for stock cars | 1117214 | Milton | Van Buren | 1914 |
| Schee | Charles | hay press | 1126298 | Farmington | Van Buren | 1915 |
| Jack | Lewis | extended step | 1141800 | Mount Sterling | Van Buren | 1915 |
| Jack | Lewis | gate hinge | 1146500 | Mount Sterling | Van Buren | 1915 |
| Wallingford | Henry | door bridge for railway cars | 1168983 | Bonaparte | Van Buren | 1916 |
| Cox | Alonzo | steering mechanism for wheeled vehicles | 1175716 | Keosauqua | Van Buren | 1916 |
| Moore | George | gearing | 1188303 | Birmingham | Van Buren | 1916 |
| Teter | Lee | silage packer | 1279938 | Cantril | Van Buren | 1918 |
| Greenleaf | Pearl | reflector | 1287968 | Farmington | Van Buren | 1918 |
| Kepler | Clell | oiling device | 1310663 | Keosauqua | Van Buren | 1919 |
| Kepler | Clell | cold pack cooking device | 1345601 | Keosauqua | Van Buren | 1920 |
| Dana | Earl | chain clasp | 1377187 | Stockport | Van Buren | 1921 |
| Schulz | John | breeding crate | 1389993 | Stockport | Van Buren | 1921 |
| Gentner | William | currency | 1394081 | Farmington | Van Buren | 1921 |
| Knowles | Harve | lumber jack saw | 1415247 | Stockport | Van Buren | 1922 |
| Cox | Alonzo | draft device for harrows | 1435107 | Cantril | Van Buren | 1922 |
| Donoho | Johnnie | fabric stretching and clamping device | 1466523 | Milton | Van Buren | 1923 |
| Bruggeman | Charles | stock watering trough | 1486224 | Farmington | Van Buren | 1924 |
| Bruggeman | Carl | stock watering trough | 1486224 | Farmington | Van Buren | 1924 |
| Shackelford | Lincoln | furnace | 1486462 | Bonaparte | Van Buren | 1924 |
| Brown | Newell | hog ringing crate | 1525366 | Selma | Van Buren | 1925 |
| Countryman | John | shingling bracket | 1544221 | Selma | Van Buren | 1925 |
| Barton | Roy | harrow weight distributing device | 1620794 | Milton | Van Buren | 1927 |
| Parsons | Albert | telescoping tire rim | 1631429 | Bonaparte | Van Buren | 1927 |
| Slinn | James | flying machine | 1758178 | Bonaparte | Van Buren | 1930 |
| Slinn | James | airplane wing | 1760787 | Bonaparte | Van Buren | 1930 |
| Brown | Newell | hog ringing device | 1815545 | Selma | Van Buren | 1931 |
| House | Charlie | baker's proofing cabinet | 1858086 | Farmington | Van Buren | 1932 |
| Lunsford | Wesley | grain separators | 1933561 | Milton | Van Buren | 1933 |
| Weiny | Elmer | grain separators | 1933561 | Milton | Van Buren | 1933 |
| Reel | Jesse | toy fishing outfit | 2005803 | Cantril | Van Buren | 1935 |
| Wray | James | container for holding and displaying automotive vehicle certificates or like | 2014641 | Cantril | Van Buren | 1935 |
| Cox | Alonzo | earth moving machine | 2076939 | Cantril | Van Buren | 1937 |
| Cox | Alonzo | scraper | 2089539 | Cantril | Van Buren | 1937 |
| Kerr | William | grinding wheel | 2119279 | Douds | Van Buren | 1938 |
| Grubbs | Robert | grinding wheel | 2119279 | Douds | Van Buren | 1938 |
| Cox | Alonzo | ground working implement | 2263120 | Cantril | Van Buren | 1941 |
| Curty | Frank | child's trailer | 2334387 | Farmington | Van Buren | 1943 |
| Bruce | Robert | wire container having a wire stacking ring | 2512517 | Keosauqua | Van Buren | 1950 |
| Lundgren | Chester | extensible tire carrier | 2547083 | Bonaparte | Van Buren | 1951 |
| Parker | Ralph | sectionalized bottle carrier | 2589526 | Keosauqua | Van Buren | 1952 |
| Fulton | Arthur | bubble producing toy | 2606395 | Selma | Van Buren | 1952 |
| Lundgren | Chester | spare tire mounting for automobiles | 2643041 | Bonaparte | Van Buren | 1953 |
| Craig | Harold | chain saw servicing vice | 2824469 | Keosauqua | Van Buren | 1958 |
| Ware | Dale | gate hinge | 2837760 | Farmington | Van Buren | 1958 |
| Bruce | Robert | wire carrying case | 2856093 | Keosauqua | Van Buren | 1958 |
| Bruce | Robert | wire case having sheet metal bottom | 2860807 | Keosauqua | Van Buren | 1958 |
| Bruce | Robert | wire case having sheet metal bottom | 2860808 | Keosauqua | Van Buren | 1958 |
| Bruce | Robert | cover for milk bottle carrier | 190887 | Keosauqua | Van Buren | 1961 |
| Bruce | Robert | interlocking bottle case | 2993615 | Keosauqua | Van Buren | 1961 |
| Bruce | Robert | wire case construction | 3014612 | Keosauqua | Van Buren | 1961 |
| Bruce | Robert | milk bottle carrier and enclosure | 3071279 | Keosauqua | Van Buren | 1963 |
| Gunn | Thomas | coaxial cable connector device and method of manufacture thereof | 4094574 | Bonaparte | Van Buren | 1978 |
| Smith | Bruce | product dispenser for a vending machine | 5341954 | Bonaparte | Van Buren | 1994 |
| Carter | William | lever activated toilet seat lift | 5806106 | Keosauqua | Van Buren | 1998 |
| Hodges | James | lever activated toilet seat lift | 5806106 | Keosauqua | Van Buren | 1998 |
| McClaran | Robert | bracket mounting device | 6230947 | Birmingham | Van Buren | 2001 |
| McMahon | Timothy | food merchandiser and temperature control system | 6683282 | Keosauqua | Van Buren | 2004 |
| Carter | William | food merchandiser and temperature control system | 6683282 | Keosauqua | Van Buren | 2004 |
| McMahon | J. | food merchandiser and temperature control system | 6683282 | Keosauqua | Van Buren | 2004 |
| Stickels | Karen | liner adaptor for chimneys | 6852023 | Douds | Van Buren | 2005 |
| Conley | Paul | apparatus for venting of protective panels | 7607267 | Birmingham | Van Buren | 2009 |
| Kobelt | Clint | apparatus for venting of protective panels | 7607267 | Bonaparte | Van Buren | 2009 |
| Holmberg | Rene | apparatus for venting of protective panels | 7607267 | Birmingham | Van Buren | 2009 |
| Vorhies | Roger | Wind turbine erector | 8011098 | Keosauqua | Van Buren | 2011 |
| Witting | Craig | Gooseneck trailer mirror bracket | D664492 | Keosauqua | Van Buren | 2012 |
| Jury | James | Gooseneck trailer mirror bracket | D664492 | Farmington | Van Buren | 2012 |
| Graber | Howard | Gooseneck trailer mirror bracket | D664492 | Bonaparte | Van Buren | 2012 |
| Graber | Howard | Gooseneck trailer hitch actuator | 8376388 | Bonaparte | Van Buren | 2013 |
| Witting | Craig | Gooseneck trailer hitch actuator | 8376388 | Keosauqua | Van Buren | 2013 |
| Zimmerman | Raymond | Agricultural implement with self-centering pivots | 9137938 | Cantril | Van Buren | 2015 |
| Witting | Craig | Bracket | D752417 | Keosauqua | Van Buren | 2016 |
| Jury | James | Bracket | D752417 | Farmington | Van Buren | 2016 |
| Carter | William | Convertible temperature-controlled display case | 9339124 | Keosauqua | Van Buren | 2016 |
| Carter | William | Convertible temperature-controlled display case | 9226600 | Keosauqua | Van Buren | 2016 |
| Leffler | Gary | Fishing rod | D750195 | Bonaparte | Van Buren | 2016 |
| Kauk | Michael | Evaporative condensate dissipation system | 9664434 | Cantril | Van Buren | 2017 |
| Powell | Leo | Evaporative condensate dissipation system | 9664434 | Keosauqua | Van Buren | 2017 |
| Thomas | Marvin | Evaporative condensate dissipation system | 9664434 | Milton | Van Buren | 2017 |
| Witting | Craig | Apparatus and method for preparing coated cable for a cable conveyor system | 9828703 | Keosauqua | Van Buren | 2017 |
| Hornberg | Zachary | Photographic camouflaged scent-free game calls and method of manufacturing same | 9848596 | Keosauqua | Van Buren | 2017 |
| Robinson | Gina | Device for improving performance of hair dryer and related method of use | 9854893 | Keosauqua | Van Buren | 2018 |
| Zimmerman | Jay | Hydraulic jack retrofit for trailer | 10000189 | Cantril | Van Buren | 2018 |
| Jury | James | Tool for fastening trailer safety chains | 10005331 | Farmington | Van Buren | 2018 |
| Witting | Craig | Tool for fastening trailer safety chains | 10005331 | Keosauqua | Van Buren | 2018 |
| Witting | Craig | Coated cable for a conveyor system | 10017884 | Keosauqua | Van Buren | 2018 |
| Zimmerman | Jay | Hydraulic jack retrofit for trailer | 10640094 | Cantril | Van Buren | 2020 |
| Zimmerman | Wayne | Turbo housing | 10690145 | Cantril | Van Buren | 2020 |
| Hornberg | Zachary | Photographic camouflaged scent-free game calls and method of manufacturing same | 11033019 | Keosauqua | Van Buren | 2021 |