John A. Crowell
10Patents
5h-index
17Co-inventors
63Inventor score
Filing activity: Jul 6, 1976 → Jun 29, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7255498B2 | Low profile system for joining optical fiber waveguides | Physics | 54 | Active |
| US5804832A | Digital array for radiographic imaging | Physics | 45 | Expired |
| US6698045B1 | Angling head immobilization device | Human Necessities | 41 | Expired |
| US4081006A | Fluid dispensing and mixing apparatus | Performing Operations; Transporting | 24 | Expired |
| US7063461B2 | Patient support device with shoulder depression device | Human Necessities | 14 | Expired |
| US7070342B2 | Low profile system for joining optical fiber waveguides | Physics | 5 | Expired |
| US7077579B2 | Low profile splicing stage for optical fiber waveguides | Physics | 4 | Expired |
| US7004640B2 | Low profile local injection and detection system for optical fiber waveguides | Physics | 4 | Expired |
| USRE30123E | Apparatus for controlling addition of replenishment solution to a photographic processor | General | 2 | Expired |
| US5402221A | Guideplate assembly having substrate velocity control arrangement | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.