Michael Knopf
17Patents
7h-index
20Co-inventors
66Inventor score
Filing activity: Feb 13, 1991 → Dec 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7353566B2 | Adjustable wheel assembly | Performing Operations; Transporting | 42 | Expired |
| USD631403S1 | Vertical axle tube with spacer | General | 29 | Expired |
| USD627271S1 | Wheelchair frame | General | 16 | Expired |
| US8262117B2 | Wheelchair comprising a foot support | Human Necessities | 14 | Active |
| USD334515S | Snow scoop | General | 10 | Expired |
| US8256785B2 | Wheelchair having height-adjustable axle mounts | Human Necessities | 7 | Active |
| US8328215B2 | Wheelchair having pivoting backrest frame assembly | Human Necessities | 7 | Active |
| US7360781B2 | Foldable wheelchair and axle plate therefor | Human Necessities | 6 | Expired |
| USD636299S1 | Wheelchair caster strut | General | 5 | Expired |
| US8490994B2 | Wheelchair frame and wheelchair with cross-brace | Human Necessities | 5 | Active |
| US7021640B2 | Wheelchair and wheel mounting assembly therefore | Emerging Cross-Sectional Technologies | 5 | Expired |
| USD903539S1 | Wheelchair axle tube | General | 2 | Active |
| US10584309B2 | Pressure transducer for single-use containers | Physics | 2 | Active |
| US10921204B2 | Compact sensor connector for single-use fluid measurement | Electricity | 0 | Active |
| US11331231B2 | Mounting unit, caster wheel assembly and wheelchair | Performing Operations; Transporting | 0 | Active |
| US11371902B2 | Process venting feature for use in sensor applications with a process fluid barrier | Physics | 0 | Active |
| US11730647B2 | Backrest assembly and wheelchair therewith | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.