John Barr
4Patents
3h-index
7Co-inventors
47Inventor score
Filing activity: Jan 29, 1979 → Nov 21, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4275051A | Spin size and thermosetting aid for pitch fibers | Textiles; Paper | 12 | Expired |
| US4276278A | Spin size and thermosetting aid for pitch fibers | Textiles; Paper | 10 | Expired |
| US8867122B2 | Optical parametric oscillator | Physics | 4 | Active |
| US8817837B2 | Laser system and method of operation | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.