Richard K. Davis
25Patents
16h-index
14Co-inventors
78Inventor score
Filing activity: Aug 13, 1976 → Jan 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5109503A | Apparatus with reconfigurable counter includes memory for storing plurality of counter configuration files which respectively define plurality of predetermined counters | Electricity | 116 | Expired |
| US5839108A | Flash memory file system in a handheld record and playback device | Emerging Cross-Sectional Technologies | 103 | Expired |
| US4979122A | Apparatus and method for monitoring power | Physics | 90 | Expired |
| US4319298A | Motor protection device | Electricity | 54 | Expired |
| US5557806A | Weight-lifting glove having a securing strap and sleeve | Human Necessities | 39 | Expired |
| US4562392A | Stylus type touch probe system | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4234840A | Battery state-of-charge indicator | Emerging Cross-Sectional Technologies | 32 | Expired |
| USD633156S1 | Combined chin up and exercise bar | General | 31 | Expired |
| US4047235A | Current limit and overcurrent cut off system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5842170A | Method for editing in hand held recorder | Physics | 30 | Expired |
| US4625277A | Blood pressure measuring device having adaptive cuff deflation rate | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4554495A | Datum reference for tool touch probe system | Performing Operations; Transporting | 22 | Expired |
| US4152124A | Automatic control system for electric precipitators | Performing Operations; Transporting | 19 | Expired |
| USD829919S1 | Ergonomic cold roller | General | 19 | Active |
| US7819784B1 | Suspension gym | Emerging Cross-Sectional Technologies | 18 | Active |
| US4320334A | Battery state-of-charge indicator | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4617503A | Active datum for coordinate reference in a numerically controlled machine tool | Physics | 14 | Expired |
| US5270916A | Apparatus and method for preventing runaway of the integral term of a proportional plus integral controller | Physics | 11 | Expired |
| USD381128S | Weight lifting glove | General | 7 | Expired |
| USD843001S1 | Massage roller core | General | 7 | Active |
| US4328447A | DC Motor speed regulator | Electricity | 5 | Expired |
| USD924417S1 | Barrel massage roller | General | 5 | Active |
| US5742737A | Method for recording voice messages on flash memory in a hand held recorder | Physics | 4 | Expired |
| US4041405A | Sawtooth waveform generator | Electricity | 3 | Expired |
| US11278468B2 | Thermal heat therapy foam roller | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.