Leonard Cech
48Patents
14h-index
40Co-inventors
81Inventor score
Filing activity: Aug 7, 1978 → Sep 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6056079A | Automotive seat weight sensing system | Performing Operations; Transporting | 116 | Expired |
| US5957491A | Seat weight sensor having fluid filled bladder | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6203060A | System and method for sensing vehicle door edge movement | Performing Operations; Transporting | 45 | Expired |
| US4230586A | Aqueous well-drilling fluids | Chemistry; Metallurgy | 37 | Expired |
| US6045155A | Vehicle seat sensor having self-maintaining air bladder | Physics | 30 | Expired |
| US6039345A | System and method for sensing vehicle door edge movement | Performing Operations; Transporting | 25 | Expired |
| US5407471A | Corrosion inhibition composition | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7772839B2 | Eddy current magnetic crash sensor | Physics | 19 | Active |
| US5338347A | Corrosion inhibition composition | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7463987B2 | Magnetic sensing system and method | Performing Operations; Transporting | 19 | Active |
| US7388370B2 | Magnetic crash sensor | Performing Operations; Transporting | 17 | Active |
| US4264363A | Corrosion inhibiting coating composition | Chemistry; Metallurgy | 17 | Expired |
| US6674024B2 | Seat weight sensor | Performing Operations; Transporting | 15 | Expired |
| US7698036B2 | Vehicle rollover detection system | Performing Operations; Transporting | 14 | Expired |
| US7209844B2 | Magnetic crash sensor | Performing Operations; Transporting | 13 | Expired |
| US8841929B2 | Sensor system for steering wheel for vehicle | Performing Operations; Transporting | 13 | Active |
| US6286861A | Seat weight sensor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7113874B2 | Magnetic crash sensing method | Performing Operations; Transporting | 11 | Expired |
| US7212895B2 | Magnetic sensor | Performing Operations; Transporting | 10 | Expired |
| US8180585B2 | Magnetic crash sensor | Performing Operations; Transporting | 10 | Active |
| US7839142B2 | Magnetic crash sensor | Performing Operations; Transporting | 9 | Active |
| US7839143B2 | Eddy current magnetic crash sensor | Performing Operations; Transporting | 9 | Active |
| US8424904B2 | Steering wheel system with audio input | Performing Operations; Transporting | 6 | Active |
| US7514917B2 | Magnetic crash sensor | Performing Operations; Transporting | 5 | Active |
| US10611335B2 | Detection and monitoring of occupant seat belt | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.