Gerald Duhamel
25Patents
10h-index
6Co-inventors
64Inventor score
Filing activity: Aug 16, 1989 → Aug 28, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6416406B1 | Method for playing an auxiliary game with prize rewarding system | Human Necessities | 136 | Expired |
| US6932707B2 | Method of choosing and distributing enhanced odds | Physics | 133 | Expired |
| US6746329B1 | Game apparatus and method for playing a plurality of game segments displayed using a three-dimensional representation | Physics | 90 | Expired |
| US7878899B2 | Method and system for providing a tournament handicap feature | Physics | 58 | Active |
| US8202165B2 | Method and system for providing asynchronous tournament participations | Physics | 54 | Active |
| US7255644B2 | Jackpot awarding system | Physics | 37 | Expired |
| US8764543B2 | Method and system for playing a networked bingo game | Physics | 32 | Active |
| US7198272B2 | Method of offering insurance in a gambling game | Human Necessities | 20 | Expired |
| US6769984B2 | Method for playing an auxiliary game within a primary game with a prize rewarding system | Physics | 18 | Expired |
| US7587051B2 | System and method for securing information, including a system and method for setting up a correspondent pairing | Electricity | 17 | Expired |
| US5698394A | Nucleotide sequences and methods for detection of Serpulina hyodysenteriae | Chemistry; Metallurgy | 10 | Expired |
| US6722975B2 | Method of awarding an auxiliary game prize along with a poker game | Human Necessities | 8 | Expired |
| US6068843A | Nucleotide sequences and methods for detection of Serpulina hyodysenteriae | Chemistry; Metallurgy | 4 | Expired |
| USD324885S | Electronic game housing | General | 3 | Expired |
| USD331079S | Electronic game housing | General | 3 | Expired |
| US7867078B2 | Method and system for providing a feature game using a comparison parameter | Physics | 3 | Active |
| US8398471B2 | Method and system for providing a feature game using spatial relationship between objects | Physics | 2 | Active |
| US8277303B2 | Method of operating and displaying a meter feature using evolving symbols in a line game | Physics | 1 | Active |
| US7828642B2 | Method of operating a grouped selection game | Physics | 1 | Active |
| US7959505B2 | Evaluation-structure base game feature persisting over a number of outcomes | Physics | 0 | Active |
| US8057301B2 | Game feature associated with an enhancement of a progressive prize | Physics | 0 | Active |
| US8348744B2 | Participation-game system including an end-of-game evaluation means | Physics | 0 | Active |
| US7686683B2 | Method of playing a game with a multi-access selection feature | Physics | 0 | Active |
| US5869630A | Nucleotide sequences for detection of serpulina hyodysenteriae | Chemistry; Metallurgy | 0 | Expired |
| US7270603B2 | Reverse-order game play apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.