Robert Walker
6Patents
2h-index
15Co-inventors
48Inventor score
Filing activity: Sep 29, 1988 → Dec 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9879400B1 | Device and method for foundation drainage | Fixed Constructions | 18 | Active |
| US4889405A | Method and apparatus for interconnecting optical wave guides | Physics | 5 | Expired |
| US5727438A | Slip yarn braiding machine | Textiles; Paper | 2 | Expired |
| US7061905B2 | Method and apparatus for communicating signals | Electricity | 1 | Expired |
| US11920430B2 | Adjustable injection valve for a plug and abandonment anchoring device | Fixed Constructions | 0 | Active |
| US10227750B2 | Device and method for foundation drainage | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.