Kenneth Chapman
7Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Aug 19, 1975 → Oct 8, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4211781A | Process for the preparation of dustless quinoxaline-1,4-dioxide animal feed supplement premixes | Human Necessities | 24 | Expired |
| US4643175A | Device for assisting and maintaining penile erection | Human Necessities | 13 | Expired |
| US8272084B2 | Patient lift with hanger bar attachment | Human Necessities | 11 | Active |
| US8250687B2 | Patient lift with adjustable knee pads and sling hooks | Human Necessities | 6 | Active |
| US8807623B2 | Adjustable footrest | Performing Operations; Transporting | 3 | Active |
| US6901160B2 | Directional lighting and method to distinguish three dimensional information | Physics | 1 | Expired |
| USD963460S1 | Urine shield clip | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.