Timothy John Sommerer
40Patents
6h-index
64Co-inventors
72Inventor score
Filing activity: Oct 5, 1993 → Jan 10, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5907595A | Emitter-cup cathode for high-emission x-ray tube | Electricity | 147 | Expired |
| US5866984A | Mercury-free ultraviolet discharge source | Electricity | 23 | Expired |
| US5438235A | Electrostatic shield to reduce wall damage in an electrodeless high intensity discharge lamp | Electricity | 14 | Expired |
| US7215081B2 | HID lamp having material free dosing tube seal | Electricity | 12 | Expired |
| US9520801B1 | Method and system for a gas tube switch-based voltage source high voltage direct current transmission system | Emerging Cross-Sectional Technologies | 7 | Active |
| US7443091B2 | Hermetical lamp sealing techniques and lamp having uniquely sealed components | Electricity | 6 | Active |
| US10256067B1 | Low voltage drop, cross-field, gas switch and method of operation | Electricity | 6 | Active |
| US10914274B1 | Fuel oxygen reduction unit with plasma reactor | Performing Operations; Transporting | 5 | Active |
| US9608144B2 | Photovoltaic devices and method of making | Emerging Cross-Sectional Technologies | 2 | Active |
| US7633216B2 | Barium-free electrode materials for electric lamps and methods of manufacture thereof | Electricity | 2 | Expired |
| US10995672B2 | Electrical waveform for gas turbine igniter | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7132797B2 | Hermetical end-to-end sealing techniques and lamp having uniquely sealed components | Electricity | 2 | Expired |
| US11260953B2 | System and method for cooling a leading edge of a high speed vehicle | Performing Operations; Transporting | 2 | Active |
| US11267551B2 | System and method for cooling a leading edge of a high speed vehicle | Performing Operations; Transporting | 2 | Active |
| US7525252B2 | Sealing tube material for high pressure short-arc discharge lamps | Electricity | 2 | Expired |
| US9806501B1 | Spark gap with triple-point electron emission prompting | Emerging Cross-Sectional Technologies | 2 | Active |
| US7265493B2 | Mercury-free compositions and radiation sources incorporating same | Electricity | 2 | Expired |
| US9973092B2 | Gas tube-switched high voltage DC power converter | Emerging Cross-Sectional Technologies | 1 | Active |
| US7438621B2 | Hermetical end-to-end sealing techniques and lamp having uniquely sealed components | Electricity | 1 | Active |
| US9913359B1 | Krypton-85-free spark gap with cantilevered component | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7892061B2 | Hermetical lamp sealing techniques and lamp having uniquely sealed components | Electricity | 1 | Active |
| US9748857B2 | Method and system for a gas tube-based current source high voltage direct current transmission system | Emerging Cross-Sectional Technologies | 1 | Active |
| US7722421B2 | High temperature ceramic composite for selective emission | Electricity | 1 | Active |
| US7847484B2 | Mercury-free and sodium-free compositions and radiation source incorporating same | Electricity | 1 | Active |
| US7839089B2 | Hermetical lamp sealing techniques and lamp having uniquely sealed components | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.