David Long
6Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: May 17, 1993 → Jul 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5420883A | Train location and control using spread spectrum radio communications | Electricity | 151 | Expired |
| US8460777B2 | Multifunctional radiation-hardened laminate | Emerging Cross-Sectional Technologies | 13 | Active |
| US11402483B2 | Systems and methods to detect motion on sloped surfaces | Physics | 6 | Active |
| US8678322B2 | Multifunctional chambered radiation shields and systems and related methods | Emerging Cross-Sectional Technologies | 2 | Active |
| US12130352B2 | Systems and methods to detect motion on sloped surfaces | Physics | 0 | Active |
| US11714181B2 | Systems and methods to detect motion on sloped surfaces | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.