Richard L. Chartrand
11Patents
8h-index
17Co-inventors
65Inventor score
Filing activity: Oct 15, 1993 → Jul 9, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7141323B2 | Method and apparatus for electrochemical compression and expansion of hydrogen in a fuel cell system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7132182B2 | Method and apparatus for electrochemical compression and expansion of hydrogen in a fuel cell system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7045233B2 | Method and apparatus for electrochemical compression and expansion of hydrogen in a fuel cell system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5909011A | Method and apparatus for modifying circuit having ball grid array interconnections | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5890284A | Method for modifying circuit having ball grid array interconnections | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7691507B2 | Combination fuel cell and ion pump, and methods and infrastructure systems employing same | Emerging Cross-Sectional Technologies | 11 | Active |
| US6821664B2 | Method and apparatus for a combined fuel cell and hydrogen purification system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5493076A | Structure for repairing semiconductor substrates | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5446961A | Method for repairing semiconductor substrates | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7252900B2 | Combination fuel cell and ion pump, and methods and infrastructure systems employing same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6845564B2 | Level monitoring sensor apparatus, solid structure sensor apparatus, and pendulum sensor apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.