John W. Rishel
5Patents
5h-index
5Co-inventors
52Inventor score
Filing activity: Jul 29, 1975 → Mar 9, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4297209A | High solids filter | Performing Operations; Transporting | 51 | Expired |
| US4836922A | Vibrating filter apparatus | Performing Operations; Transporting | 29 | Expired |
| US4059518A | Filter with axially shiftable rotating backwash selector | Performing Operations; Transporting | 27 | Expired |
| US5084176A | Vibrating filter | Performing Operations; Transporting | 25 | Expired |
| US4157964A | Duplex seal for a bag-type filter system | Performing Operations; Transporting | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.