Claude Ray
13Patents
8h-index
4Co-inventors
65Inventor score
Filing activity: Jul 17, 1979 → Apr 15, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6109895A | Portable peristaltic pump | Human Necessities | 136 | Expired |
| US6203296A | Miniature peristaltic pump | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US6835049B2 | Occlusion detector for rotary peristaltic pump | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US4748603A | Chronograph watch | Physics | 36 | Expired |
| US4681464A | Timepiece movement including a plurality of stepping motors and an electronic time base | Physics | 32 | Expired |
| US4910720A | Watch having a visible energy producing oscillatory mass | Physics | 13 | Expired |
| US4924453A | Watch having a glass retaining strap | Physics | 11 | Expired |
| US6883961B1 | Hinged electronic watch | Physics | 9 | Expired |
| US4322834A | Watch case with interengaging flanged glass and flanged casing ring | Physics | 7 | Expired |
| US4545688A | Watch case having synthetic material seals between detachable parts thereof | Physics | 6 | Expired |
| US6295250A | Time-setting mechanism for clock movement with perpetual julian date | Physics | 5 | Expired |
| US6118734A | Train of clockwork with perpetual Julian date | Physics | 5 | Expired |
| US7536874B2 | Jewelry item with rotating gemstone | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.