John W. Evans
37Patents
15h-index
16Co-inventors
78Inventor score
Filing activity: Apr 16, 1976 → Apr 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4733222A | Capacitance-variation-sensitive touch sensing array system | Electricity | 280 | Expired |
| US4630572A | Boiling liquid cooling system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 86 | Expired |
| US4367699A | Boiling liquid engine cooling system | Mechanical Engineering; Lighting; Heating | 58 | Expired |
| US5071526A | Acidic gas sensors and method of using same | Physics | 54 | Expired |
| US4094293A | Engine preoiler and lubricant reservoir | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4550694A | Process and apparatus for cooling internal combustion engines | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5031579A | Cooling system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5868105A | Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant, and related method of cooling | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5014820A | Engine prelubricator and pressurized lubricant reservoir | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6053132A | Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6230669A | Hermetically-sealed engine cooling system and related method of cooling | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5255636A | Aqueous reverse-flow engine cooling system | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5419287A | Engine cooling system and heater circuit therefor | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| USD903230S1 | Food patty | General | 15 | Active |
| USD435383S | Shelf | General | 15 | Expired |
| US4513704A | Pressurized lubrication assembly for machinery having a flow restrictor device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5385123A | Segregated cooling chambers for aqueous reverse-flow engine cooling systems | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4513705A | Pressurized lubrication assembly for the center bearing of a turbocharger | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6101988A | Hermetically-sealed engine cooling system and related method of cooling | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5381762A | Engine cooling system and radiator therefor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US11225325B1 | Payload delivery and drop device for unmanned aerial vehicle for automatic release upon surface contact | Performing Operations; Transporting | 9 | Active |
| US6199868A | Piston assembly with piston ring support and sealing member | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4316749A | Production of USP quality lactose | Chemistry; Metallurgy | 8 | Expired |
| US5353751A | Engine cooling system and radiator therefor | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5317994A | Engine cooling system and thermostat therefor | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.