David E. Hansen
37Patents
12h-index
25Co-inventors
81Inventor score
Filing activity: Oct 1, 1975 → Dec 6, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5272700A | Spectrally efficient broadband transmission system | Electricity | 104 | Expired |
| US5255267A | Apparatus for combining broadband and baseband signal transmissions | Emerging Cross-Sectional Technologies | 91 | Expired |
| US4188197A | Particulate filtering | Emerging Cross-Sectional Technologies | 57 | Expired |
| US7909269B2 | Faucet spray control assembly | Emerging Cross-Sectional Technologies | 41 | Active |
| USD246240S | Rechargeable power pack | General | 37 | Expired |
| US4841319A | Apparatus for loading a film cassette into a camera | Physics | 34 | Expired |
| US5940895A | Heated toilet seat | Emerging Cross-Sectional Technologies | 30 | Expired |
| USD244686S | Photographic camera or similar article | General | 23 | Expired |
| US4801960A | Mode selector member and finger recess in a camera | Physics | 19 | Expired |
| US7814927B2 | Faucet with accessible waterway assembly | Emerging Cross-Sectional Technologies | 19 | Active |
| US9062790B2 | System and method to position and retain a sensor in a faucet spout | Emerging Cross-Sectional Technologies | 17 | Active |
| US5251747A | Storage assemblage for index print sheets and cassettes | Physics | 12 | Expired |
| US5111228A | Horizontal/vertical frame viewfinder | Physics | 10 | Expired |
| USD296215S | Photographic camera | General | 10 | Expired |
| US4690531A | Low cost telephoto and normal lens camera with an extendable flash | Physics | 9 | Expired |
| US5303825A | Storage assemblage for index print sheets and cassettes | Physics | 9 | Expired |
| USD244685S | Photographic camera or similar article | General | 9 | Expired |
| US5271497A | Storage assemblage for index print sheets and cassettes | Physics | 7 | Expired |
| US5301803A | Package for index print sheet and cassette | Physics | 7 | Expired |
| USD254791S | Photographic camera having an electronic flash unit | General | 6 | Expired |
| US9695580B2 | System and method to position and retain a sensor in a faucet spout | Emerging Cross-Sectional Technologies | 6 | Active |
| USD285087S | Camera with integral flash unit | General | 6 | Expired |
| USD250958S | Photographic camera or similar article | General | 6 | Expired |
| US9259744B2 | Faucet | Fixed Constructions | 6 | Active |
| USD284973S | Camera with integral flash unit | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.