David J. Lawrence
23Patents
11h-index
34Co-inventors
75Inventor score
Filing activity: Aug 2, 1979 → Dec 11, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6058921A | Peep sight | Mechanical Engineering; Lighting; Heating | 74 | Expired |
| US4495514A | Transparent electrode light emitting diode and method of manufacture | Electricity | 63 | Expired |
| US5417930A | Polymerization reactor | Performing Operations; Transporting | 40 | Expired |
| US5239189A | Integrated light emitting and light detecting device | Electricity | 19 | Expired |
| US8122699B2 | Ecology valve fuel return system operable in fluid isolation during gas turbine engine shut-down | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US4878222A | Diode laser with improved means for electrically modulating the emitted light beam intensity including turn-on and turn-off and electrically controlling the position of the emitted laser beam spot | Electricity | 17 | Expired |
| US8316630B2 | Flow equalizing override assembly for fuel divider system | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US7966995B2 | Dual level pressurization control based on fuel flow to one or more gas turbine engine secondary fuel loads | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US8353306B2 | Fuel divider system for gas turbine engine | Emerging Cross-Sectional Technologies | 15 | Active |
| US8048304B2 | Solvent extraction and recovery | Emerging Cross-Sectional Technologies | 12 | Active |
| US5636488A | Panel and clip arrangement | Fixed Constructions | 11 | Expired |
| US8046983B2 | Ecology valve fuel return system for gas turbine engine | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US8071656B2 | Nylon extraction from commingled materials | Emerging Cross-Sectional Technologies | 7 | Active |
| US5116781A | Zinc diffusion process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8415506B2 | Energy efficient acetone drying method | Emerging Cross-Sectional Technologies | 6 | Active |
| US9234314B2 | Rail gauge-plate insulator | Fixed Constructions | 3 | Active |
| US6997689B2 | Offset bearing for extended fuel pump life | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9068509B2 | Gas turbine engine fuel control thrust control override system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US4237770A | Poppet member for a control valve | Performing Operations; Transporting | 2 | Expired |
| US10016849B2 | Method for welding a weld-on element onto a counterpart | Performing Operations; Transporting | 0 | Active |
| US8969426B2 | Method for the preparation of highly purified recycled nylon | Emerging Cross-Sectional Technologies | 0 | Active |
| US9482225B2 | Gear pump, pumping apparatus including the same, and aircraft fuel system including gear pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9970160B2 | Rail gauge-plate insulator | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.