John B. Newkirk
6Patents
6h-index
2Co-inventors
49Inventor score
Filing activity: Jan 5, 1976 → Nov 14, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4037604A | Artifical biological drainage device | Human Necessities | 282 | Expired |
| US4474569A | Antenatal shunt | Human Necessities | 202 | Expired |
| US4175563A | Biological drainage shunt | Human Necessities | 116 | Expired |
| US4850955A | Body fluid transfer device | Human Necessities | 107 | Expired |
| US4240434A | Peritoneo-venous shunt | Emerging Cross-Sectional Technologies | 80 | Expired |
| US4927420A | Ultra-sharp tungsten needle for electrosurgical knife | Human Necessities | 51 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.