Andrew Johnson
9Patents
6h-index
7Co-inventors
56Inventor score
Filing activity: Mar 13, 1989 → Jul 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5839071A | Base station for a mobile telecommunications system | Electricity | 40 | Expired |
| US5000473A | Collapsible towing hitch | Performing Operations; Transporting | 35 | Expired |
| US5232240A | Towing hitch | Performing Operations; Transporting | 30 | Expired |
| US6462961B1 | Component housing assembly having universal mounting capability and mounting bracket for use therewith | Electricity | 24 | Expired |
| US4869521A | Collapsible towing hitch | Performing Operations; Transporting | 22 | Expired |
| USRE35482E | Towing hitch | General | 21 | Expired |
| US11165250B2 | Electrical energy saving system | Electricity | 1 | Active |
| US10738801B2 | Hydraulically powered immersible pumping system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12024027B2 | Electro-mechanical cross steer drive device for a vehicle | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.