Richard E. Hunter
21Patents
9h-index
23Co-inventors
75Inventor score
Filing activity: Jun 10, 1976 → Jun 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6138924A | Pop-up rotor type sprinkler with subterranean outer case and protective cover plate | Performing Operations; Transporting | 67 | Expired |
| US5996608A | Diaphragm valve with filter screen and movable wiper element | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5720435A | Rotary sprinkler with intermittent gear drive | Performing Operations; Transporting | 49 | Expired |
| US4386377A | TV Interface RF modulation circuitry | Electricity | 45 | Expired |
| US5823439A | Pop-up sprinkler with shock absorbing riser spring | Performing Operations; Transporting | 35 | Expired |
| US4133344A | Power transmission for self-propelled irrigation system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| USD351444S | Golf club support | General | 15 | Expired |
| US4432494A | Self-steerable wheel assembly for irrigation systems | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5829678A | Self-cleaning irrigation regulator valve apparatus | Performing Operations; Transporting | 11 | Expired |
| US8602613B2 | Adjustable height landscape light fixture | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US4135539A | Speed control means for center pivot irrigation system | Human Necessities | 5 | Expired |
| US4180092A | Center pivot construction for center pivot sprinkler | Human Necessities | 4 | Expired |
| US4149570A | Nonlinear sensor for center pivot drive control system | Human Necessities | 2 | Expired |
| US10502860B2 | Method for placement of surface electrodes for electromagnetic telemetry | Physics | 1 | Active |
| US10130082B2 | Angler kit and method for personalized hand production of fishing lures | Human Necessities | 1 | Active |
| US12084966B2 | Pump harmonic noise advisor | Electricity | 0 | Active |
| US12110789B2 | Electromagnetic downlink while drilling | Physics | 0 | Active |
| US11719048B2 | Geo-steering using electromagnetic gap impedance data | Fixed Constructions | 0 | Active |
| US10674571B2 | Apparatus for providing RF stirring with solid state components | Electricity | 0 | Active |
| US6736334B2 | Rotor type sprinkler with turbine over-spin prevention | General | 0 | Revoked |
| US9814104B2 | Space-efficient choke system for containing RF leakage | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.