John Benjamin Hageman
30Patents
10h-index
20Co-inventors
75Inventor score
Filing activity: Mar 13, 1978 → May 26, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6390565B1 | Brake by wire system with separate controllers and both position and force input sensors | Performing Operations; Transporting | 58 | Expired |
| US6305758A | Electro-hydraulic actuator for motor vehicle brake | Performing Operations; Transporting | 52 | Expired |
| US5246283A | Electro-hydraulic brake apply system | Performing Operations; Transporting | 33 | Expired |
| US5729979A | Variable rate brake pedal feel emulator | Performing Operations; Transporting | 30 | Expired |
| US4171936A | Engine turbocharger with integral wastegate | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6549126B2 | Dry interface corner actuator single sensor for lining wear and low reservoir detection | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5720170A | Master cylinder and emulator with apply assist | Performing Operations; Transporting | 15 | Expired |
| US5186292A | Torque converter and clutch with compliance interface | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6533369B2 | Brake system and method having secondary hydraulic braking in a de-energized operational mode | Performing Operations; Transporting | 11 | Expired |
| US5716111A | Rotary actuated braking system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6298961A | Reservoir cap and bleed mechanism | Performing Operations; Transporting | 10 | Expired |
| US6276137A | Brake master cylinder with dual check valve compensation through secondary piston | Performing Operations; Transporting | 9 | Expired |
| US6655138B2 | System and method for actuating and controlling a transfer case | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6679356B2 | Brake caliper backdrive apparatus and method | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6422354B1 | Disc brake caliper with integral parking brake | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6481543B1 | Zero drag disc brake with anti-knock-back device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6626269B2 | Zero drag disc brake with anti-knock-back device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6578933B2 | Vehicle brake by wire actuator | Performing Operations; Transporting | 8 | Expired |
| US6082831A | Electro-hydraulic brake apply system displacement augmentation | Performing Operations; Transporting | 8 | Expired |
| US7481054B2 | Shape memory alloy actuator | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US6371574B1 | Dry interface corner vehicle braking system | Performing Operations; Transporting | 6 | Expired |
| US5046591A | Torque converter clutch with fluid pressure applied variable friction damping | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6106078A | Pressure augmentation for brake apply system | Performing Operations; Transporting | 5 | Expired |
| US6942072B2 | Motor assembly such as an electro-mechanical-brake motor assembly | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5967199A | Pressurized brake bleed system | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.