TRW Limited
3,133Patents
131Active
3,133Granted
49Portfolio score
Filing activity: Aug 28, 1961 → Nov 26, 2019 · 32 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3950686A | Series redundant drive system | Electricity | 1,197 | Expired |
| US4229064A | Polarizing adapter sleeves for electrical connectors | Electricity | 461 | Expired |
| US6041410A | Personal identification fob | Physics | 421 | Expired |
| US5604430A | Solar array maximum power tracker with arcjet load | Emerging Cross-Sectional Technologies | 390 | Expired |
| US6100811A | Fingerprint actuation of customized vehicle features | Physics | 358 | Expired |
| US6038666A | Remote identity verification technique using a personal identification device | Physics | 329 | Expired |
| US4714995A | Computer integration system | Emerging Cross-Sectional Technologies | 314 | Expired |
| US5467271A | Mapping and analysis system for precision farming applications | Emerging Cross-Sectional Technologies | 305 | Expired |
| US5217916A | Method of making an adaptive configurable gate array | Emerging Cross-Sectional Technologies | 301 | Expired |
| US6182221A | Remote identity verification technique using a personal identification device | Physics | 300 | Expired |
| US5767793A | Compact vehicle based rear and side obstacle detection system including multiple antennae | Physics | 283 | Expired |
| US6018317A | Cochannel signal processing system | Electricity | 277 | Expired |
| US5940011A | Compact vehicle based rear and side obstacle detection system including multiple antennae | Physics | 262 | Expired |
| US4660050A | Doppler radar velocity measurement horn | Electricity | 250 | Expired |
| US5648731A | Method of checking solar panel characteristics in an operating solar electrical system | Emerging Cross-Sectional Technologies | 245 | Expired |
| US6381228B1 | Onboard control of demand assigned multiple access protocol for satellite ATM networks | Electricity | 240 | Expired |
| US4319074A | Void-free electrical conductor for power cables and process for making same | Emerging Cross-Sectional Technologies | 234 | Expired |
| US5870060A | Feeder link antenna | Emerging Cross-Sectional Technologies | 231 | Expired |
| US4788553A | Doppler radar velocity measurement apparatus | Physics | 230 | Expired |
| US5410318A | Simplified wide-band autotrack traveling wave coupler | Electricity | 230 | Expired |
| US4598262A | Quasi-optical waveguide filter | Electricity | 228 | Expired |
| US5530335A | Battery regulated bus spacecraft power control system | Emerging Cross-Sectional Technologies | 228 | Expired |
| US6310704A | Communication apparatus for transmitting and receiving signals over a fiber-optic waveguide using different frequency bands of light | Electricity | 228 | Expired |
| US6340928B1 | Emergency assistance system using bluetooth technology | Performing Operations; Transporting | 213 | Expired |
| US5381150A | Partial intercept LPI (low probability of intercept) reconnaissance system | Physics | 205 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.