Lucas Industries plc
158Patents
0Active
158Granted
42Portfolio score
Filing activity: Apr 5, 1982 → Mar 26, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5893350A | Injector | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5735557A | Lock mechanism | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6394235B1 | Hydraulic vehicle brake with blocking means and method for operating same | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US5684702A | Control system having data correlation for controlling a vehicular anti-lock braking system | Physics | 41 | Expired |
| US4919099A | Combustion monitoring | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4458305A | Multi-phase transistor/diode bridge circuit | Electricity | 39 | Expired |
| US6554744B2 | Apparatus and method of controlling the road speed of a motor vehicle | Performing Operations; Transporting | 31 | Expired |
| US6139118A | Electronic braking system for road vehicles operating with a trailer | Performing Operations; Transporting | 30 | Expired |
| US5666016A | Winding support for a rotary electrical component | Electricity | 29 | Expired |
| US4956753A | Lamp assembly | Performing Operations; Transporting | 28 | Expired |
| US5053692A | Temperature dependent power supply for use with a bridge transducer | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5959825A | System and method for controlling flow of current in control valve winding | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5575543A | Electronic braking control system | Performing Operations; Transporting | 25 | Expired |
| US5951862A | Filter | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5497806A | Compact pin-within-a-sleeve three-way valve | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5709079A | Dual metering valve fuel control system for gas turbine engine | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6318817A | Electro-hydraulic braking systems | Performing Operations; Transporting | 23 | Expired |
| US5427440A | Braking system for a vehicle | Performing Operations; Transporting | 22 | Expired |
| US4512884A | Fuel treatment device | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5020979A | Injection pump having pilot and main injection | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4535641A | Reciprocating plunger fuel injection pump | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4893600A | Adaptive control for an internal combustion engine | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5599163A | Regenerative pump having movable walls adjacent opposing faces of the impeller | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6598943B2 | Back-up braking in vehicle braking systems | Performing Operations; Transporting | 19 | Expired |
| US5711279A | Fuel system | Mechanical Engineering; Lighting; Heating | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.