John Gibson
12Patents
6h-index
7Co-inventors
59Inventor score
Filing activity: Feb 14, 1977 → Jun 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4704726A | Filter arrangement for an audio companding system | Electricity | 66 | Expired |
| US4547737A | Demodulator of sampled data FM signals from sets of four successive samples | Electricity | 21 | Expired |
| US4198641A | Rotating field polarization antenna system | Electricity | 18 | Expired |
| US4747140A | Low distortion filters for separating frequency or phase modulated signals from composite signals | Electricity | 9 | Expired |
| US4364119A | Video disc player with RFI reduction circuit including a signal product generator | Electricity | 7 | Expired |
| US4760602A | Variable preemphasis/deemphasis network | Electricity | 6 | Expired |
| US4272786A | Video disc playback apparatus with non-linear aperture correction | Physics | 5 | Expired |
| US4312013A | Non-linear aperture correction circuit | Physics | 2 | Expired |
| US12224687B2 | Method for selecting a frequency converter for a refrigerant compressor unit | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10804834B2 | Method for selecting a frequency converter for a refrigerant compressor unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US11736053B2 | Method for selecting a frequency converter for a refrigerant compressor unit | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11221167B2 | Initialising system for a refrigerant compressor unit and method for initialising a refrigerant compressor unit | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.