David E. Woollums
15Patents
8h-index
22Co-inventors
72Inventor score
Filing activity: Feb 8, 1990 → Dec 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6539315B1 | Regulator flow measurement apparatus | Emerging Cross-Sectional Technologies | 75 | Expired |
| US6536469B2 | Self-centering magnet assembly for use in a linear travel measurement device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8485213B2 | Internal relief valve apparatus for use with loading regulators | Emerging Cross-Sectional Technologies | 21 | Active |
| US7197407B2 | Fuel tank level monitoring system and method | Physics | 17 | Expired |
| US4972868A | Flow restrictor and diverter for direct acting pressure regulator | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5062449A | Vibration dampener for direct acting pressure regulator | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6441744B1 | Regulator diagnostics system and method | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5709369A | Self-aligning valve disc assembly | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US11566732B2 | Mechanical joint restraint | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11808386B2 | Mechanical joint restraint | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5700950A | Prover adapter for a fluid metering device | Physics | 1 | Expired |
| US9303779B2 | Slam shut safety device with guided plug support | Emerging Cross-Sectional Technologies | 0 | Active |
| US9212753B2 | Slam shut safety device with guided valve disc | Emerging Cross-Sectional Technologies | 0 | Active |
| US8616521B2 | Fail safe retaining plug assembly for a slam-shut safety device | Emerging Cross-Sectional Technologies | 0 | Active |
| US11920706B2 | Method of using a mechanical joint restraint | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.