John Gaughan
6Patents
2h-index
2Co-inventors
37Inventor score
Filing activity: Mar 18, 1991 → Dec 14, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5530363A | DC ground fault detecting apparatus with an auto-null circuit and method | Physics | 8 | Expired |
| US5354238A | Levitation apparatus | Human Necessities | 4 | Expired |
| US5303960A | Expansion joint with low friction packed seal | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5232251A | Expansion joint with two sealing elements | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7170399B2 | Immobilizer coil attachment | Electricity | 2 | Expired |
| US7762896B2 | Method and apparatus for producing optical illusions | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.