David B. Shaffer
7Patents
6h-index
6Co-inventors
52Inventor score
Filing activity: Jan 31, 1990 → Jul 18, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5008679A | Method and system for locating an unknown transmitter | Physics | 124 | Expired |
| US6261014A | Apparatus for applying a viscous lotion | Human Necessities | 32 | Expired |
| US5235341A | Method and system for measuring the position of lightning strokes | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD447279S | Lotion applicator with hinged handle | General | 15 | Expired |
| US8021445B2 | Upgrading carbonaceous materials | Emerging Cross-Sectional Technologies | 10 | Active |
| USD449407S | Applicator for applying a viscous fluid | General | 8 | Expired |
| US9713908B2 | Super compaction of biomass and other carbon-containing materials to high energy content fuels | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.