Bloomfield, IA ranks #14,083 worldwide for total patents filed all time, with 117 patents from 25 inventors. Leading employers of inventors based in Bloomfield, IA include John Deere, Vermeer Manufacturing, Amvac Chemical. That works out to 43.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–25 of 25 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | David V. Rotole | John Deere | 46 |
| 2 | Jacob D. Kappelman | John Deere | 12 |
| 3 | Nathan A. Chaney | John Deere | 10 |
| #4 | Edward Lee Cutler | Vermeer Manufacturing | 8 |
| #4 | REX A. RYSDAM | Amvac Chemical | 8 |
| #6 | George W. Rumph | John Deere | 6 |
| #7 | Charles E. Altheide | — | 3 |
| #7 | Gerald Ray Kinney | Caterpillar | 3 |
| #9 | Joshua Gnewuch | Hwh | 2 |
| #9 | Jeffrey C. Birkner | — | 2 |
| #9 | Joshua R. McAfee | John Deere | 2 |
| #9 | Jeffrey J. Wuthrich | — | 2 |
| #13 | Donald T. Torgerson | Hill Phoenix | 1 |
| #13 | Richard C. Riggenbach | — | 1 |
| #13 | Edward Altheide | — | 1 |
| #13 | Margaret J. Warning | — | 1 |
| #13 | Brian D. Warning | — | 1 |
| #13 | Dave V. Rotole | John Deere | 1 |
| #13 | Jashua Jay Gnewuch | John Deere | 1 |
| #13 | Mark K. Dearborn | — | 1 |
| #13 | Jeffery J. Wuthrich | — | 1 |
| #13 | Tom Irwin | Ag Leader Technology | 1 |
| #13 | John A. Dressler, Jr. | — | 1 |
| #13 | Jeff J. Warning | — | 1 |
| #13 | Robert J. Heerdink | John Deere | 1 |
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