Inventor · disambiguated record
John W. Rishel
Also filed as: RISHEL JOHN W
5 granted patents·225 citations·filing 1975–1990
85Inventor score
Technology areasB01D
Top patents by PatentIndex Score
5 records- 0185US4297209AHigh solids filterDOVER CORP·Filed 1980·Granted Oct 27, 1981·72 cites·24 claims
- 0279US4059518AFilter with axially shiftable rotating backwash selectorDOVER CORP·Filed 1975·Granted Nov 22, 1977·36 cites·11 claims
- 0374US4157964ADuplex seal for a bag-type filter systemDOVER CORP·Filed 1978·Granted Jun 12, 1979·30 cites·11 claims
- 0472US4836922AVibrating filter apparatusCAPITAL FORMATION INC·Filed 1987·Granted Jun 6, 1989·44 cites·6 claims
- 0571US5084176AVibrating filterCAPITAL FORMATION INC·Filed 1990·Granted Jan 28, 1992·43 cites·18 claims
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