James D. Roach
3Patents
2h-index
5Co-inventors
41Inventor score
Filing activity: Aug 9, 1982 → Nov 10, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7563076B2 | Variable rate pumping system | Mechanical Engineering; Lighting; Heating | 247 | Active |
| US4440404A | Packing arrangement | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US7713033B2 | Double-acting, duplex pump controlled by two, two position spool valves | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.