Caterpillar Tractor Co.
2,003Patents
0Active
2,003Granted
47Portfolio score
Filing activity: Apr 20, 1970 → Jul 16, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4160916A | Engine stop-start electrical circuit | Emerging Cross-Sectional Technologies | 119 | Expired |
| US3932952A | Multi-material ripper tip | Performing Operations; Transporting | 116 | Expired |
| US4076287A | Prepared joint for a tube fitting | Mechanical Engineering; Lighting; Heating | 110 | Expired |
| USD251431S | Tooth adapter for a cutting edge | General | 110 | Expired |
| US4251185A | Expansion control ring for a turbine shroud assembly | Mechanical Engineering; Lighting; Heating | 101 | Expired |
| US4072087A | Digital positioner for remote actuation of a control valve | Emerging Cross-Sectional Technologies | 100 | Expired |
| US4070940A | Machine tool with protective light curtain and work stock holding mechanism | Emerging Cross-Sectional Technologies | 92 | Expired |
| US3970445A | Wear-resistant alloy, and method of making same | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4210372A | Retainer for bearing lock nut | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4368705A | Engine control system | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4182057A | Releasable corner tooth assembly | Fixed Constructions | 82 | Expired |
| US4591689A | Adaptive welding guidance apparatus | Performing Operations; Transporting | 82 | Expired |
| US3981515A | Movable step of a vehicle | Performing Operations; Transporting | 75 | Expired |
| US4286777A | Mount to absorb shocks | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US4344139A | Method and apparatus for controlling differentially driven wheel slip | Emerging Cross-Sectional Technologies | 74 | Expired |
| US3959901A | High strength earth working penetration tooth | Fixed Constructions | 70 | Expired |
| US4354420A | Fluid motor control system providing speed change by combination of displacement and flow control | Mechanical Engineering; Lighting; Heating | 69 | Expired |
| US3938606A | Track-idler recoil suspension mechanism | Performing Operations; Transporting | 67 | Expired |
| US4361871A | Failsafe wheel slip control system and method of operating same | Performing Operations; Transporting | 67 | Expired |
| US4117302A | Method for fusibly bonding a coating material to a metal article | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4071009A | Combined noise suppressing and air flow guide enclosure for engines | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US4258544A | Dual fluid fuel nozzle | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US4018104A | Frictionally held control linkage for engine throttle controls and the like | Emerging Cross-Sectional Technologies | 63 | Expired |
| US3955855A | Wear-resistant composite track link | Performing Operations; Transporting | 62 | Expired |
| US4208925A | Electronic transmission control and method therefor | Emerging Cross-Sectional Technologies | 62 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.