John A. Lofgren
7Patents
7h-index
14Co-inventors
60Inventor score
Filing activity: Aug 21, 1991 → Mar 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5823229A | Faucet having multiple water discharges | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5858215A | Water filter containing faucet and display therefor | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5812066A | Antenna tuning control circuit | Electricity | 37 | Expired |
| US5299264A | System for short-range transmission of signals over the air using a high frequency carrier | Electricity | 35 | Expired |
| US5581617A | System for short-range transmission of signals over the air using a high frequency carrier | Electricity | 16 | Expired |
| US6016108A | Antenna tuning control system | Electricity | 15 | Expired |
| US9523597B2 | Fuel dispenser flow meter fraud detection and prevention | Physics | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.