David J. Twichell
4Patents
4h-index
4Co-inventors
39Inventor score
Filing activity: Nov 10, 1982 → Feb 20, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4501321A | After cooler, charge air cooler and turbulator assemblies and methods of making the same | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4997035A | Joint crevice corrosion inhibitor | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5076557A | Twist indicator gasket | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5031924A | Twist indicator gasket | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.