Roy A. Ulin
8Patents
8h-index
6Co-inventors
51Inventor score
Filing activity: Jan 16, 1978 → Jun 9, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4232552A | Temperature indicating compositions of matter | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4362645A | Temperature indicating compositions of matter | Physics | 41 | Expired |
| US4339207A | Temperature indicating compositions of matter | Physics | 33 | Expired |
| US4373629A | Used surgical sharps container with re-usable magnetic base | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4345470A | All plastic disposable thermometer | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4299727A | Disposable reversible thermometer | Physics | 15 | Expired |
| US4128007A | Support member for a disposable thermometer | Physics | 13 | Expired |
| US4397570A | Pressure sensitive adhesive containing a nucleating agent for use in a disposable thermometer | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.