David J. Keyes
11Patents
4h-index
26Co-inventors
52Inventor score
Filing activity: Mar 26, 2008 → Jul 20, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD686864S1 | Container | General | 30 | Active |
| USD696188S1 | Portable battery charger | General | 24 | Active |
| US7862943B2 | Method and apparatus for starting a fuel cell engine in a vehicle equipped with an ultracapacitor | Emerging Cross-Sectional Technologies | 12 | Active |
| USD679953S1 | Syrup dispenser | General | 9 | Active |
| USD743256S1 | Closure | General | 3 | Active |
| USD680868S1 | Closure | General | 3 | Active |
| USD684861S1 | Closure | General | 2 | Active |
| USD712252S1 | Closure | General | 2 | Active |
| US8154242B2 | Method of fully charging an electrical energy storage device using a lower voltage fuel cell system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9263754B2 | Integrated environmentally protective barrier with light blocking and light transmitting features to optically communicate between two electronic devices operating in different environments | Emerging Cross-Sectional Technologies | 0 | Active |
| US9936822B2 | Garnish dispenser | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.