Probir K. Chatterjea
34Patents
8h-index
5Co-inventors
68Inventor score
Filing activity: Apr 2, 1973 → May 12, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6634653B2 | Ride control system for construction equipment | Performing Operations; Transporting | 32 | Expired |
| US4069843A | Clutch cylinder circuit and charging valve therefor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5937897A | Hydraulic motion control valve and lever | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4132302A | Transmission clutches with fully-resetting modulator-load-piston | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4779416A | Control system for front end loader boom and bucket operating systems | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4015619A | Clutch-brake steering mechanism for tractors | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4530376A | Pilot valve including a hydraulically actuated detent | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4644968A | Master clutch pressure and lubrication valve | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5868230A | Hydraulic motion control valve and lever | Emerging Cross-Sectional Technologies | 8 | Expired |
| US3964372A | Clutch cylinder circuit and charging valve therefor | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6523636B2 | Crawler motion control system | Performing Operations; Transporting | 8 | Expired |
| US4871048A | Control system for vehicle transmissions | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4135610A | Brake operated transmission clutches with fully-resetting modulator-load-piston | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4287813A | Two-stage concentric hydraulic brake booster | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4372408A | Clutch-clutch-brake steering mechanism for tractors | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4538641A | Clutch-clutch-brake steering mechanism for tractors | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6330799A | Adaptive cooling system control system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6523520B1 | Engine cooling and noise suppression system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6817125B2 | Picture frame assembly | Human Necessities | 6 | Expired |
| US7634909B1 | Articulated loader steering system | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4262969A | Brake control with pilot actuation | Performing Operations; Transporting | 5 | Expired |
| US4407328A | Clutch-brake steering mechanism for tractors | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4387731A | Modulated transmission with modulator-load-piston loading at linear rate after full reset | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4216851A | Transmission clutches with fully-resetting modulator-load-piston | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4438780A | Clutch-clutch-brake steering mechanism for tractors | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.