John Vancha
6Patents
4h-index
4Co-inventors
46Inventor score
Filing activity: Jul 23, 1980 → Apr 30, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4686352A | Electronic pressing iron | Textiles; Paper | 54 | Expired |
| US4326273A | Ultrasonic ranging device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4336605A | Multiplexer for ultrasonic ranging device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4980540A | Positive power-off circuit for electrical appliances | Human Necessities | 4 | Expired |
| US5369398A | Circuit for detecting calcification in a coffee maker | Human Necessities | 4 | Expired |
| US6223430A | Breadmaker circuit board mounting method | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.