James A. Pena
22Patents
13h-index
28Co-inventors
81Inventor score
Filing activity: Jan 28, 1992 → Feb 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5241935A | Accumulator fuel injection system | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5341783A | Accumulator fuel injection system | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US5438968A | Two-cycle utility internal combustion engine | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5551391A | Accumulator fuel injection system | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5685273A | Method and apparatus for controlling fuel injection in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5641148A | Solenoid operated pressure balanced valve | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7182068B1 | Combustion cell adapted for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7412969B2 | Direct needle control fuel injectors and methods | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US8282020B2 | Three-way valves and fuel injectors using the same | Emerging Cross-Sectional Technologies | 15 | Active |
| USD582722S1 | Beverage dispenser | General | 15 | Expired |
| USD537858S1 | Underwater camera housing | General | 13 | Expired |
| US5467754A | Accumulator fuel injection system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7341028B2 | Hydraulic valve actuation systems and methods to provide multiple lifts for one or more engine air valves | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US8196844B2 | Three-way valves and fuel injectors using the same | Emerging Cross-Sectional Technologies | 12 | Active |
| US8366018B1 | Oil intensified common rail injectors | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US5537972A | Fuel injection system having a pressure intensifier incorporating an overtravel safety feature | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8302822B2 | Pressure regulators for beverage dispensers | Emerging Cross-Sectional Technologies | 4 | Active |
| US9935668B1 | Detachment mechanism and indicator for mobile mount portable radio and method for the same | Electricity | 3 | Active |
| US10281933B2 | Adaptive pressure balancer | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11082078B2 | Detachment mechanism and indicator for mobile mount portable radio | Electricity | 0 | Active |
| US7681592B2 | Three-way poppet valves with floating seat | Emerging Cross-Sectional Technologies | 0 | Active |
| US12345398B2 | Connectors for linear lighting | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.