Lucas Industries Limited
817Patents
0Active
817Granted
44Portfolio score
Filing activity: Jan 28, 1975 → Jun 8, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6807287B1 | Road profile prediction | Physics | 157 | Expired |
| US4433278A | Battery state of charge evaluator system | Emerging Cross-Sectional Technologies | 144 | Expired |
| US5397867A | Light distribution for illuminated keyboard switches and displays | Electricity | 118 | Expired |
| US6467725B1 | Electrical generator an aero-engine including such a generator, and an aircraft including such a generator | Emerging Cross-Sectional Technologies | 118 | Expired |
| US4183467A | Fluid control valves | Emerging Cross-Sectional Technologies | 65 | Expired |
| US4558281A | Battery state of charge evaluator | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5193669A | Switch assembly | Electricity | 59 | Expired |
| US4109174A | Drive circuits for a piezoelectric stack | Performing Operations; Transporting | 58 | Expired |
| US4290508A | Disc brake pad assemblies | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US4394741A | Battery monitoring system | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4527669A | Friction pad assemblies for use in disc brakes | Mechanical Engineering; Lighting; Heating | 56 | Expired |
| US4127416A | Method of producing a ceramic product | Chemistry; Metallurgy | 56 | Expired |
| US4406161A | Measurement of air mass flow into an internal combustion engine | Physics | 53 | Expired |
| US4502152A | Low current linear/high current chopper voltage regulator | Physics | 52 | Expired |
| US4222023A | Electrical coil assembly | Electricity | 51 | Expired |
| US4305031A | Rotary electrical machine | Electricity | 50 | Expired |
| US4160967A | Electrical coil assembly | Electricity | 48 | Expired |
| US4118932A | Energy conversion systems | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4065154A | Vehicle suspension systems | Performing Operations; Transporting | 47 | Expired |
| US6466141B1 | Skew detection system | Performing Operations; Transporting | 46 | Expired |
| US4339015A | Electrically driven vehicles | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5337030A | Permanent magnet brushless torque actuator | Electricity | 43 | Expired |
| US6167694A | Actuator | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4135593A | Electrically driven vehicles | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5925245A | Filter arrangement | Mechanical Engineering; Lighting; Heating | 41 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.