Iowa Patents and Inventors
| Last name | First name | Title | Patent number | City | Year |
| Farmer | Clarence | wireless check row attachment for rotary drop corn planters | 1140556 | Albia | 1915 |
| Folkerts | Tim | Camera mounting system | 11003058 | Albia | 2021 |
| Fouts | Thomas | railway chair and tie | 89397 | Albia | 1869 |
| Fowlring | John | dental impression cup | 681535 | Albia | 1901 |
| Franzen | Frank | check pocket | 1347452 | Buxton | 1920 |
| Gantz | Henry | sprayer for dental polishing and grinding instruments | 749899 | Albia | 1904 |
| Greene | Lawrence | mailbag crane | 463741 | Tyrone | 1891 |
| Griffin | John | joint fastner for railway rails and ties | 1011341 | Melrose | 1911 |
| Griffin | John | metal railway tie | 1071665 | Melrose | 1913 |
| Griffin | John | rail tie | 933553 | Melrose | 1909 |
| Grooms | James | coal drilling machine | 313204 | Avery | 1885 |
| Haist | Wade | receptacle | 1102499 | Albia | 1914 |
| Hall | John | flat iron heater | 144335 | Albia | 1873 |
| Hardenbrook | William | trace holder | 243887 | Albia | 1881 |
| Hardenbrook | William | trach holder | 198295 | Albia | 1877 |
| Hardsocg | Martin | mining machine | 282632 | Avery | 1883 |
| Hatfield | William | wire stretcher | 2182148 | Lovilia | 1939 |
| Haugh | Frank | tobacco pipe | 642445 | Albia | 1900 |
| Heagney | John | spring wheel | 1040945 | Melrose | 1912 |
| Henderson | R. | millstone machine | 80954 | Albia | 1868 |
| Henderson | E. | millstone machine | 80954 | Albia | 1868 |
| Herz | Nathan | Apparatus, method, and system for precise LED lighting | 11754260 | Lovilla | 2023 |
| Herz | Nathan | Apparatus and method for design and installation of a customizable soccer mini-pitch system | 11761223 | Lovilla | 2023 |
| Herz | Nathan | Apparatus and method for design and installation of a customizable soccer mini-pitch system | 10920437 | Lovilia | 2021 |
| Hickenlooper | Frank | hack saw holder | 1420484 | Albia | 1922 |
| Hoeller | Josef | pencil sharpener | 1266806 | Albia | 1918 |
| Hogeland | John | hay stacker | 318429 | Lovilia | 1885 |
| Hogeland | Peter | hay stacker | 318429 | Lovilia | 1885 |
| Hogeland | John | hay loader | 355991 | Lovilia | 1887 |
| Holsclaw | John | switch operator | 1275428 | Albia | 1918 |
| Hoskins | Steven | method and means for adjusting hay conditioner rolls | 4472927 | Albia | 1984 |
| Johnson | James | sash lock | 992777 | Albia | 1911 |
| Johnson | Frank | pipe holding and hoisting machine | 595309 | Albia | 1897 |
| Jones | Thomas | burial vault seal | 1659472 | Albia | 1928 |
| Jones | Thomas | top for vehicles | 1407198 | Albia | 1922 |
| Kaldenberg | James | vehicle recycling system and method | 6571693 | Albia | 2003 |
| Kaldenberg | James | compaction wheel having replaceable cleats | 6095717 | Albia | 2000 |
| Kasper | Stanley | convertible ladder and bench | 1337361 | Buxton | 1920 |
| Kitterman | Carl | vehicle and trailer draft device | 2201141 | Albia | 1940 |
| Kitterman | Carl | vehicle coupler draw bar for towing trailers | 2745681 | Albia | 1956 |
| Kitterman | Carl | trailer coupler | 2326466 | Albia | 1943 |
| Kitterman | Carl | trailer coupler | 2330125 | Albia | 1943 |
| Kness | Marvin | animal trap | 4369595 | Albia | 1983 |
| Kness | Arnold | animal trap | 4369595 | Albia | 1983 |
| Kness | Marvin | animal trap | 4297805 | Albia | 1981 |
| Kness | Arnold | animal trap | 4297805 | Albia | 1981 |
| Kness | Austin | animal trap | 2433913 | Albia | 1948 |
| Kness | Austin | animal trap | 2594182 | Albia | 1952 |
| Knuppel | Harry | insert for multiple mouse trap | 7363744 | Albia | 2008 |
| Knuppel | Harry | apparatus and method for trapping and monitoring mice and insects | 5930944 | Albia | 1999 |
| Knuppel | Harry | apparatus and method for trapping and monitoring mice and insects | 6202339 | Albia | 2001 |
| Knuppel | Harry | low profile tilt-ramp trap | 6631582 | Albia | 2003 |
| Knuppel | Harry | animal trap having anti-backspin feature | 6230434 | Albia | 2001 |
| Knuppel | Harry | sealable baiting device | 5918410 | Albia | 1999 |
| Knuppel | Harry | mouse or rodent trap and method of assembling same | 6125576 | Albia | 2000 |
| Knuppel | Harry | light weight responsive tilt ramp rodent trap | 6691452 | Albia | 2004 |
| Knuppel | Harry | Tilt ramp trap having bosses | 8499488 | Albia | 2013 |
| Kohlenbrand | Anton | curtain and shade bracket | 1333425 | Buxton | 1920 |
| Kohlenbrand | Anton | shade roller and curtain pole bracket | 1333426 | Buxton | 1920 |
| Kopel | Frank | dirigible lamp | 1009531 | Buxton | 1911 |
| Kozman | Andy | belt buckle | 1478965 | Lovilia | 1923 |
| Krbavac | Gabriel | knockdown box | 1222416 | Avery | 1917 |
| Kridelbaugh | John | shade and curtain holder | 803765 | Hynes | 1905 |
| Kridelbaugh | Linie | churn | 814548 | Hiteman | 1906 |
| Kridelbaugh | John | combined shade and curtain holder | 775474 | Hynes | 1904 |
| Kridelbaugh | John | rail joint | 835087 | Hynes | 1906 |
| Lathan | Arthur | traction engine brake | 849000 | Albia | 1907 |
| Lawrence | Mike | Universally mounted solar module | 9571030 | Albia | 2017 |
| Lenhart | Moses | side board fastener for wagons | 774091 | Melrose | 1904 |
| Liddicoat | Caleb | car brake or stop | 1399972 | Albia | 1921 |
| Liddicoat | Caleb | safety attachment for elevators | 1360653 | Albia | 1920 |
| Livingston | James | music leaf turner | 1052353 | Albia | 1913 |
| Lower | D. | seeding machine | 28879 | Albia | 1860 |
| Manns | William | conveyor feeder for mobile ensilage loader | 2900069 | Albia | 1959 |
| Mathias | Lewis | pick & c. | 691559 | Haynes | 1902 |
| McAllister | Eli | water elevator | 311664 | Albia | 1885 |
| McCracken | Edgar | automobile lock | 1351297 | Albia | 1920 |
| McGilvrey | John | automatic teeth cleaning attachment for manure spreader cylinders | 1227919 | Albia | 1917 |
| McGilvrey | John | wire stretcher | 1022102 | Albia | 1912 |
| McGinn | John | supporting means for motor vehicles | 1363336 | Melrose | 1920 |
| Meissner | George | spark intensifier for spark plugs | 1190570 | Albia | 1916 |
| Meissner | George | cigar holder | 1252357 | Albia | 1918 |
| Miller | Leroy | portable hay stacking machine | 396045 | Albia | 1889 |
| Miltenberger | Charles | fan attachment | 1172822 | Albia | 1916 |
| Moore | T. | leather fastening for harness | 98514 | Albia | 1870 |
| Moore | Thomas | harness saddle tree | 118547 | Albia | 1871 |
| Mullen | Andrew | Apparatus, method, and system for RF-transmissive access panels for elevated and shrouded mobile network components | 10347979 | Albia | 2019 |
| Mullen | Andrew | Apparatus, method, and system for factory wiring and/or aiming of devices on dual purpose monopoles | 10199712 | Albia | 2019 |
Ancestry has a database U.S. Patent and Trademark Office Patents, 1790-1909. Original data is from the United States Patent and Trademark Office. USPTO Patent Full-Text and Image Database.
Davenport Public Library Special Collections Indexes. Iowa Patents and Inventors. This is a database indexing Iowa inventors and their patents. This database was created by the State of Iowa Library beginning in the 1980s. In 2010 the Davenport Public Library continued the work of documenting Iowa inventors and their patents. The database covers patents created from 1843 to the present.