Kenneth E. Lehrke
13Patents
8h-index
16Co-inventors
69Inventor score
Filing activity: Jun 26, 1975 → May 16, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5145339A | Pulseless piston pump | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US4725713A | Electrically heated hose employing a hose simulator for temperature control | Electricity | 50 | Expired |
| US4501952A | Electric fluid heater temperature control system providing precise control under varying conditions | Physics | 40 | Expired |
| US6164560A | Lawn applicator module and control system therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4921408A | Non-icing quiet air-operated pump | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6899530B2 | Diaphragm pump with a transfer chamber vent with a longitudinal notch on the piston cylinder | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5961300A | Diaphragm pump plural component dispensing system with integrator | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6168308A | Mechanical proportioner | Performing Operations; Transporting | 9 | Expired |
| US5362148A | Rotary agitator with concentric suction tube | Performing Operations; Transporting | 8 | Expired |
| US7090474B2 | Diaphragm pump with overfill limiter | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6568559B2 | Termite control system with multi-fluid proportion metering and batch signal metering | Performing Operations; Transporting | 7 | Expired |
| US5277494A | Fluid integrator | Performing Operations; Transporting | 4 | Expired |
| US3982569A | Tire filling apparatus and method | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.