William H. Hulsman
7Patents
7h-index
11Co-inventors
56Inventor score
Filing activity: Aug 25, 1987 → Oct 17, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4934180A | Testing container seals | Physics | 31 | Expired |
| US4862732A | Leak testing | Physics | 30 | Expired |
| US4774830A | Testing container seals | Physics | 29 | Expired |
| US6427524B1 | Multiple sensor in-line container inspection apparatus and method | Physics | 23 | Expired |
| US4922746A | Leak testing | Physics | 19 | Expired |
| US5869747A | Food container internal pressure analysis | Physics | 12 | Expired |
| US6318497A | Pressure-sensitive switch, its method of calibration and use in a hydrophone array | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.