Charles A. Detweiler
37Patents
13h-index
17Co-inventors
78Inventor score
Filing activity: Sep 29, 1978 → Nov 8, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5044678A | Solenoid operated latch device with movable pole piece | Emerging Cross-Sectional Technologies | 176 | Expired |
| US5083546A | Two-stage high flow purge valve | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5076622A | Fuel filler latch assembly | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4987968A | In-line solenoid transmission interlock device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5277167A | Vapor management valve | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4630642A | Check valve and water injection systems and fuel systems utilizing the same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4284261A | Stroke adjustment for vacuum motor | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5970958A | Fuel vapor purge control | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5065979A | Constant current vacuum regulator | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5967183A | Controlling vapor flow in a conduit | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6219903A | Solenoid assembly with high-flux C-frame and method of making same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4237924A | Fuel pressure regulator | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4947968A | Transmission mounted solenoid interlock device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5853018A | Dampening resonance in a flow regulator | Physics | 12 | Expired |
| US4971370A | Self-releasing deck lid latch | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5749349A | Fuel vapor control system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5941218A | Welded construction for fuel vapor purge regulator valve assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5990584A | Direct current torque motor with extended stator poles | Electricity | 10 | Expired |
| US6050623A | Latchbolt assembly and method of sealing same | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5893354A | Method of controlling fuel vapor canister purge flow and vapor management valve therefor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6119661A | Pressure compensating vapor management valve | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4286433A | Control system for turbocharger | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5921261A | Dampening resonance in a flow regulator | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4218406A | Automatic choke control | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5936500A | Bi-stable self-adjusting actuator mechanism | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.