Nicholas E. Butts
6Patents
6h-index
4Co-inventors
52Inventor score
Filing activity: Jul 18, 1983 → Dec 15, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4568925A | Subterranean tank leak detection system and method | Physics | 57 | Expired |
| US5176025A | Pipeline secondary containment system and method | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5407514A | Method for welding thermoplastic materials | Performing Operations; Transporting | 43 | Expired |
| US4672366A | Subterranean tank leak containment and detection system | Physics | 38 | Expired |
| US5407520A | Welding rod | Performing Operations; Transporting | 31 | Expired |
| US5494318A | Secondary containment system | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.