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Inventor

RISHEL JOHN W

5 patents
⚠️ This page may combine multiple inventors who share the name “RISHEL JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOVER CORP

3 patents
US4297209AOct 27, 1981

High solids filter

DOVER CORP72 citations90
US4059518ANov 22, 1977

Filter with axially shiftable rotating backwash selector

DOVER CORP36 citations90
US4157964AJun 12, 1979

Duplex seal for a bag-type filter system

DOVER CORP30 citations79

CAPITAL FORMATION INC

2 patents
US5084176AJan 28, 1992

Vibrating filter

CAPITAL FORMATION INC43 citations87
US4836922AJun 6, 1989

Vibrating filter apparatus

CAPITAL FORMATION INC44 citations86