John Walker
6Patents
2h-index
5Co-inventors
44Inventor score
Filing activity: Feb 9, 1979 → Nov 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4233780A | Door seal | Fixed Constructions | 12 | Expired |
| US5474438A | Adjustable back plate for a mold | Performing Operations; Transporting | 12 | Expired |
| US10986220B2 | Device for radio communications and method for establishing and maintaining communications between device and fixed location radio communication facilities | Electricity | 0 | Active |
| US10512017B2 | Device for radio communications and method for establishing and maintaining communications between device and fixed location radio communication facilities | Electricity | 0 | Active |
| US12215554B2 | End effectors for automated pipe handling | Physics | 0 | Active |
| US11115891B2 | Device for radio communications and method for establishing and maintaining communications between device and fixed location radio communication facilities | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.