Joseph R. Keller
14Patents
8h-index
12Co-inventors
69Inventor score
Filing activity: Oct 27, 1977 → May 29, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4158745A | Lead frame having integral terminal tabs | Electricity | 76 | Expired |
| US4767298A | Heat staking apparatus | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4583272A | Platens for printers | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4339768A | Transistors and manufacture thereof | Electricity | 15 | Expired |
| US4359620A | Induction heating apparatus | Performing Operations; Transporting | 13 | Expired |
| US4654580A | Electrical continuity tester for the connection of a terminal and an insulated lead | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4734651A | Electrical continuity and short circuit testing | Physics | 13 | Expired |
| US4696708A | Ultrasonic welding | Performing Operations; Transporting | 11 | Expired |
| USD611315S1 | Cutting board and integrated slicing knife | General | 5 | Expired |
| US8465170B2 | Optically efficient notification device for use in life safety ceiling strobe applications | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7730740B2 | Cooling device for pet carrier | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9406205B2 | Method and apparatus for activating and controlling fire and mass notification visual devices | Electricity | 2 | Active |
| US8220948B2 | Optically efficient notification device for use in life safety ceiling strobe applications | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9813828B2 | Speaker system with acoustic event detection, modification kit for speaker system and method of modifying a speaker system | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.