Charles Brainerd
9Patents
7h-index
8Co-inventors
52Inventor score
Filing activity: Aug 17, 1992 → Sep 11, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5878834A | Formed sheet metal carabiner gate | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5329675A | Carabiner with thumb grip | Emerging Cross-Sectional Technologies | 66 | Expired |
| USD345688S | Carabiner | General | 51 | Expired |
| US5425176A | Handle for ice axe | Performing Operations; Transporting | 23 | Expired |
| US5996235A | Ice axe | Human Necessities | 17 | Expired |
| US5768727A | Integrated modular ice axe head | Performing Operations; Transporting | 12 | Expired |
| US5937466A | Lugged ice axe head | Performing Operations; Transporting | 11 | Expired |
| US7347403B2 | Ice screw having breakaway or flexing crank handle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6810607B2 | Anti-balling system | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.