David R. Arrowsmith
9Patents
5h-index
13Co-inventors
60Inventor score
Filing activity: Dec 12, 1977 → Nov 30, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4561531A | Hydraulic slave cylinder with latch means for use with clutch release bearing | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4177888A | Friction clutch plate with two concentric hubs for damping | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4229058A | Clutch release bearing assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4327951A | Clutch release bearing assembly | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5188204A | Pre-filled power hydraulic system | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8080592B2 | Extruded polymer foams containing brominated fatty acid-based flame retardant additives | Emerging Cross-Sectional Technologies | 4 | Active |
| US4378676A | Booster for a hydraulic clutch system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8324288B2 | Extruded polymer foams containing brominated fatty acid-based flame retardant additives | Emerging Cross-Sectional Technologies | 1 | Active |
| US9493624B2 | Polymer foam with low bromine content | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.