William E. Clark
34Patents
13h-index
12Co-inventors
78Inventor score
Filing activity: Nov 29, 1974 → Feb 20, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4630670A | Variable volume multizone system | Mechanical Engineering; Lighting; Heating | 125 | Expired |
| US4938280A | Liquid-cooled, flat plate heat exchanger | Emerging Cross-Sectional Technologies | 102 | Expired |
| US6576188B1 | Surface and air sterilization using ultraviolet light and ultrasonic waves | Human Necessities | 74 | Expired |
| US4495986A | Method of operating a variable volume multizone air conditioning unit | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US4426999A | Solar energy collector | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4549601A | Variable volume multizone system | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| USD336070S | Electrical plug assembly | General | 36 | Expired |
| US6068043A | Method and apparatus for nucleated forming of semi-solid metallic alloys from molten metals | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4890666A | Method for controlling an air distribution system using .DELTA.T | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4521167A | Low frictional loss rotary vane gas compressor having superior lubrication characteristics | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5544697A | Differential temperature control | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6171548A | Surface and air sterilization using ultraviolet light and ultrasonic waves | Human Necessities | 24 | Expired |
| US4531573A | Variable volume multizone unit | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4176690A | Regulator for a damper assembly | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6090346A | Sterilization using ultraviolet light and ultrasonic waves | Human Necessities | 13 | Expired |
| US4533080A | Air terminal--air handler interface | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6755035B1 | HVAC system and method for conditioning air | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4527734A | Subzone diverter control | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4186876A | System powered damper blade assembly for use in an air conditioning system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US3939551A | Method of making polytetrafluoroethylene sealing elements with hydrodynamic action | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5167527A | Electrical plug assembly | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3985487A | Apparatus for making polytetrafluoroethylene sealing elements with hydrodynamic action | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5135404A | Insulating liner for an electrical plug assembly | Electricity | 8 | Expired |
| US4102494A | Air distribution system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4014381A | Air conditioning system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.