Fred M. Danner
5Patents
5h-index
5Co-inventors
52Inventor score
Filing activity: Aug 16, 1996 → Mar 25, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7303147B1 | Sprinkler having valve module with reciprocating valve seat | Performing Operations; Transporting | 59 | Expired |
| US5823439A | Pop-up sprinkler with shock absorbing riser spring | Performing Operations; Transporting | 35 | Expired |
| US7530504B1 | Clutch for rotor-type sprinkler | Performing Operations; Transporting | 22 | Active |
| US8430376B1 | Sprinkler valve module with reciprocating valve seat | Performing Operations; Transporting | 17 | Active |
| US8313043B1 | Friction clutch for rotor-type sprinkler | Performing Operations; Transporting | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.