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Melvin R. Hemp
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Lodi, WI, US
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last 30 patents
Information
Patent Grant
Liquid filtration system and replaceable filter cartridge usable th...
Patent number
6,051,144
Issue date
Apr 18, 2000
Clack Corporation
Robert A. Clack
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and apparatus for monitoring liquid flow through an enclosed...
Patent number
5,876,610
Issue date
Mar 2, 1999
Clack Corporation
Robert A. Clack
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Fluid flow control device for water treatment systems
Patent number
RE35252
Issue date
May 28, 1996
Clack Corporation
Robert A. Clack
210 - Liquid purification or separation
Information
Patent Grant
Brine seal for tubular filter
Patent number
5,389,260
Issue date
Feb 14, 1995
Clack Corporation
Melvin R. Hemp
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Water filter
Patent number
D355241
Issue date
Feb 7, 1995
Rena-Ware Distributors, Inc.
Russell Zylstra
D23 - Environmental heating and cooling
Information
Patent Grant
Fluid flow control device for water treatment systems
Patent number
5,128,035
Issue date
Jul 7, 1992
Clack Corporation
Robert A. Clack
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid flow control device for R.O. filtration purification systems
Patent number
5,002,664
Issue date
Mar 26, 1991
Clack Corporation
Robert A. Clack
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL