David L. Perry
30Patents
17h-index
37Co-inventors
81Inventor score
Filing activity: Jun 9, 1975 → Jul 26, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5570837A | Programmable digital thermostat with means for enabling temporary connection of a battery thereto | Electricity | 226 | Expired |
| US6435418B1 | Thermostat having an illuminated keypad and display | Performing Operations; Transporting | 108 | Expired |
| USD375831S | Tension and length adjuster for a shoelace or shock cord | General | 78 | Expired |
| US6099018A | Snowboard binding | Human Necessities | 61 | Expired |
| US6554297B2 | Dive resistant buckle | Emerging Cross-Sectional Technologies | 46 | Expired |
| US7748639B2 | Control of a heating and cooling system for a multi-level space | Mechanical Engineering; Lighting; Heating | 46 | Active |
| US7731096B2 | Controller for two-stage heat source usable with single and two stage thermostats | Mechanical Engineering; Lighting; Heating | 44 | Active |
| US7475558B2 | Control of a heating and cooling system for a multi-level space | Mechanical Engineering; Lighting; Heating | 36 | Active |
| US6839235B2 | Embedded heat pipe for a conduction cooled circuit card assembly | Electricity | 30 | Expired |
| US6729390B1 | Control for heat pump with auxiliary heat source | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4634971A | Portable hand-held voltage sensor with manually adjustable reference voltage for comparison with sensed voltage | Physics | 26 | Expired |
| US5394760A | Torque sensor for a power assist steering system | Physics | 25 | Expired |
| US4943083A | Signal conditioning circuit assembly | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6873528B2 | Supplemental heat conduction path for card to chassis heat dissipation | Electricity | 22 | Expired |
| US6739615B1 | Snowboard binding | Human Necessities | 21 | Expired |
| US4449100A | Ignition system tester | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5016908A | Method and apparatus for controlling shock absorbers | Performing Operations; Transporting | 19 | Expired |
| US7793510B2 | Two mode thermostat with set-back temperature and humidity set-point feature | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US8863536B1 | Two mode thermostat with set-back temperature and humidity set-point feature | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US9405303B2 | Power stealing for a wireless-enabled thermostat | Electricity | 14 | Active |
| US5092626A | Apparatus for controlling the damping of a shock absorber | Performing Operations; Transporting | 13 | Expired |
| US5028453A | Method for reducing fouling | Textiles; Paper | 12 | Expired |
| US6119950A | Thermostat with load relay cycling feature | Physics | 12 | Expired |
| US8275484B2 | Stepper motor gas valve and method of control | Physics | 9 | Active |
| US4019600A | Anti-noise mounting means for transmissions | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.