William T. Walters
6Patents
5h-index
5Co-inventors
56Inventor score
Filing activity: Jun 18, 1976 → Jul 6, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5007291A | Ultrasonic inspection apparatus with centering means for tubular members | Physics | 156 | Expired |
| US4030493A | Respiratory mouthpiece | Human Necessities | 59 | Expired |
| US7397238B2 | Methods and apparatus for inspecting materials | Physics | 16 | Active |
| US7038445B2 | Method, system and apparatus for ferromagnetic wall monitoring | Physics | 12 | Expired |
| US7622917B2 | Methods and apparatus for inspecting materials | Physics | 7 | Active |
| US5001658A | Pipe length tally system | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.