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Inventor

BERGMANN EUGEN O

US11 patents
⚠️ This page may combine multiple inventors who share the name “BERGMANN EUGEN O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEOPOLD CO INC F B

3 patents
US5489388AFeb 6, 1996

Apparatus and method for improving gas backwash in lateral underdrains

LEOPOLD CO INC F B48 citations94
US5328608AJul 12, 1994

Mutli-lateral filter underdrain block

LEOPOLD CO INC F B46 citations91
US6306310B1Oct 23, 2001

Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes

LEOPOLD CO INC F B36 citations87

AQUA AEROBIC SYSTEMS INC

3 patents
US6447617B1Sep 10, 2002

High efficiency cleaning of rotating filter media

AQUA AEROBIC SYSTEMS INC37 citations92
US7993532B2Aug 9, 2011

Method of filtration using cloth media and self-aligning backwash assembly

AQUA AEROBIC SYSTEMS INC4 citations62
US7892421B2Feb 22, 2011

Stationary cloth media filtration and self-aligning backwash assembly

AQUA AEROBIC SYSTEMS INC2 citations62

AQUA AEROBICS SYSTEM INC

1 patent
US6294098B1Sep 25, 2001

High efficiency backwash shoe

AQUA AEROBICS SYSTEM INC67 citations92

F B LEOPOLD COMPANY

1 patent
US5639384AJun 17, 1997

Apparatus and method for improving gas backwash in lateral underdrains

F B LEOPOLD COMPANY73 citations91

AQUA AEROBICS SYSTEMS INC

1 patent
US6634372B2Oct 21, 2003

High efficiency cleaning of rotating filter media

AQUA AEROBICS SYSTEMS INC16 citations90

BAUMANN PETER G

1 patent
US8329045B2Dec 11, 2012

Stationary cloth media filtration

BAUMANN PETER G6 citations79

AQUA-AEROBIC SYSTEMS INC

1 patent
US9776108B2Oct 3, 2017

Stationary cloth media filtration

AQUA-AEROBIC SYSTEMS INC0 citations51