Lear Siegler, Inc.
185Patents
0Active
185Granted
43Portfolio score
Filing activity: Nov 2, 1971 → Apr 28, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4740963A | Voice and data communication system | Electricity | 193 | Expired |
| US4324431A | Vehicle seat with individual adjustable front thigh support | Performing Operations; Transporting | 117 | Expired |
| US3970840A | Control circuitry for vehicle guidance mechanism | Physics | 107 | Expired |
| US4692199A | Method and apparatus for bonding fabric to a foam pad | Performing Operations; Transporting | 86 | Expired |
| US4720802A | Noise compensation arrangement | Physics | 79 | Expired |
| US4312041A | Flight performance data computer system | Physics | 75 | Expired |
| US3941001A | Gimbal control mechanism | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4694703A | Circumferentially oriented flexure suspension | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4336718A | Control circuit for accelerometer | Physics | 70 | Expired |
| US4003445A | Code circuitry for a vehicle guidance mechanism | Physics | 67 | Expired |
| US4449751A | Seat backrest having an adjustable lumbar support | Performing Operations; Transporting | 59 | Expired |
| US4560873A | Situ multi-channel combustion gas analyzer | Physics | 57 | Expired |
| US4854409A | Lift axle control system | Performing Operations; Transporting | 56 | Expired |
| US4664444A | Seat assembly having adjustable thigh support | Human Necessities | 55 | Expired |
| US4693486A | Trailing arm suspension with wrapper compression axle mounting | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4500136A | Vehicle seat including improved adjustable side bolsters | Performing Operations; Transporting | 47 | Expired |
| US4561060A | Tote director | Performing Operations; Transporting | 45 | Expired |
| US4615539A | Suspension for automotive vehicles | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4193612A | Elastomeric suspension system for wheeled vehicles | Performing Operations; Transporting | 44 | Expired |
| US3935922A | Vehicle guidance mechanism | Human Necessities | 43 | Expired |
| US3954245A | Vehicle seat and support assembly therefor | Performing Operations; Transporting | 42 | Expired |
| US4082352A | Seat back recliner | Performing Operations; Transporting | 40 | Expired |
| US4103970A | Seat recliner | Performing Operations; Transporting | 39 | Expired |
| US4381179A | Pumps with floating wrist pins | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4239309A | Filing cabinet including drawer interlock | Fixed Constructions | 38 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.