Joseph P. Johnson
2Patents
2h-index
5Co-inventors
30Inventor score
Filing activity: Apr 12, 1996 → Aug 20, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5906102A | Cryopump with gas heated exhaust valve and method of warming surfaces of an exhaust valve | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5887438A | Low profile in line cryogenic water pump | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.