Langdon, ND ranks #41,701 worldwide for total patents filed all time, with 17 patents from 7 inventors. Leading employers of inventors based in Langdon, ND include Summers Manufacturing Company, Unknown. That works out to 8.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Travis Erlin Westlind | Summers Manufacturing Company | 6 |
| 2 | John P. Schaffer | — | 4 |
| 3 | Donald W. Quam | — | 2 |
| 3 | Donald E. Lorenz | — | 2 |
| #5 | Richard E. Leker | — | 1 |
| #5 | Vernon J. Fox | Unknown | 1 |
| #5 | Darrell G. Fox | Unknown | 1 |
Part of North Dakota