David J. Richards
9Patents
5h-index
9Co-inventors
56Inventor score
Filing activity: Sep 22, 1977 → Nov 11, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6595520B1 | Method of conducting a multiple hand card game | Human Necessities | 30 | Expired |
| US4346701A | Gas administration apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4182271A | Self cleaning animal floor assembly | Human Necessities | 14 | Expired |
| US7059604B1 | Method of conducting a multiple hand card game | Human Necessities | 13 | Expired |
| US4188814A | Self cleaning animal floor assembly and method of fabricating same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7584968B2 | Poker game and apparatus for play thereof | Human Necessities | 3 | Active |
| US7422215B2 | Biased card deal | Physics | 2 | Expired |
| US11740831B2 | Storage optimization for event streaming for multiple consumers | Physics | 0 | Active |
| US7624987B2 | Biased card deal | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.