William Davis Simmons
11Patents
5h-index
4Co-inventors
59Inventor score
Filing activity: Jun 20, 1977 → Dec 16, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5909641A | Transmit/receive switch | Electricity | 15 | Expired |
| US5889814A | Transmit/receive compensation for a dual FDD/TDD architecture | Electricity | 13 | Expired |
| US4112692A | Soil compaction system | Fixed Constructions | 11 | Expired |
| US4185542A | Actuator with frangible gland construction | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5884197A | Wireless portable transceiver arranged for providing isolation between radio frequency and audio signals | Electricity | 7 | Expired |
| US4080792A | Soil compaction system | Fixed Constructions | 3 | Expired |
| USD375091S | Portable telephone handset | General | 3 | Expired |
| US9528532B2 | Hydraulic actuator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10539164B2 | Hydraulic acuator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8931642B2 | Activated flotation circuit for processing combined oxide and sulfide ores | Performing Operations; Transporting | 0 | Active |
| US10876551B2 | Hydraulic actuator implemented robotic joint | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.