David Simpson
12Patents
6h-index
12Co-inventors
63Inventor score
Filing activity: Nov 3, 1993 → Dec 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5392551A | Single use firearm safety device | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| USD894403S1 | Mobile cart | General | 13 | Active |
| USD894402S1 | Mobile cart with monitor mount | General | 13 | Active |
| US7726930B2 | Adjustable height jib for a hook-lift hoist | Performing Operations; Transporting | 9 | Active |
| US10813450B2 | Mobile workstation with adjustable height | Human Necessities | 8 | Active |
| USD919098S1 | Mobile cart with monitor mount | General | 6 | Active |
| USD919099S1 | Mobile cart | General | 4 | Active |
| USD936840S1 | Mobile cart | General | 3 | Active |
| US11547207B2 | Mobile workstation with adjustable height | Human Necessities | 2 | Active |
| USD936839S1 | Mobile cart with monitor mount | General | 2 | Active |
| USD936841S1 | Mobile cart | General | 1 | Active |
| US12048374B2 | Mobile workstation with adjustable height | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.