David Ridley
4Patents
3h-index
11Co-inventors
47Inventor score
Filing activity: Jun 18, 2004 → Nov 19, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7341186B2 | Proof of presence and confirmation of parcel delivery systems and methods | Physics | 53 | Expired |
| US8498818B1 | Systems and methods for calculating emissions resulting from transporting a shipment | Physics | 17 | Active |
| US10135087B2 | Matching state of charge in a string | Emerging Cross-Sectional Technologies | 12 | Active |
| US11335938B2 | Matching state of charge in a string | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.