John Mason
14Patents
7h-index
16Co-inventors
63Inventor score
Filing activity: Feb 28, 1974 → Jul 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5448911A | Method and apparatus for detecting impending sticking of a drillstring | Fixed Constructions | 76 | Expired |
| US7061057B2 | Laterally diffused MOS transistor having N+ source contact to N-doped substrate | Electricity | 27 | Expired |
| US9537363B2 | Electric motor-driven compressor having an electrical terminal block assembly | Emerging Cross-Sectional Technologies | 14 | Active |
| US5329673A | Self tightening hose clamp with centered spring | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6727127B1 | Laterally diffused MOS transistor (LDMOS) and method of making same | Electricity | 12 | Expired |
| US7307314B2 | LDMOS transistor with improved gate shield | Electricity | 10 | Expired |
| US3968763A | Rammed air cushion hydroplane | Emerging Cross-Sectional Technologies | 8 | Expired |
| USRE42403E1 | Laterally diffused MOS transistor having N+ source contact to N-doped substrate | General | 5 | Active |
| US9709068B2 | Sealing arrangement for fuel cell compressor | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9732766B2 | Electric motor-driven compressor having a heat shield forming a wall of a diffuser | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10033056B2 | Fuel cell regulation using loss recovery systems | Emerging Cross-Sectional Technologies | 2 | Active |
| US9360042B2 | Bearing sleeve for air bearing | Emerging Cross-Sectional Technologies | 2 | Active |
| US10611187B1 | Wheel rim protective disk | Performing Operations; Transporting | 1 | Active |
| US11342440B2 | Passivated transistors | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.