Inventor

PIPER LOUIS H

US4 patents

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

INFILCO DEGREMONT INC

2 patents

US4537687AAug 27, 1985

Open gravity backwash filter and method

INFILCO DEGREMONT INC38 citations89

US5564765AOct 15, 1996

Module suspension apparatus

INFILCO DEGREMONT INC16 citations70

DEHYDRO CORP

2 patents

US4564450AJan 14, 1986

Rigid filter elements, related apparatus and methods

DEHYDRO CORP47 citations83

US4431549AFeb 14, 1984

Filter elements, apparatus and methods

DEHYDRO CORP17 citations70