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MEMBREX, INC., A CORP OF DEL
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HOBOKEN, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary disc filtration device with means to reduce axial forces
Patent number
5,993,674
Issue date
Nov 30, 1999
Membrex, Inc.
Philip M. Rolchigo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary filtration device with flow-through inner member
Patent number
5,944,998
Issue date
Aug 31, 1999
Membrex, Inc.
Philip M. Rolchigo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cleaning processes using cleaners exhibiting cloud point behavior
Patent number
5,820,690
Issue date
Oct 13, 1998
Membrex, Inc.
Philip M. Rolchigo
B08 - CLEANING
Information
Patent Grant
Immersible rotary disc filtration device
Patent number
5,707,517
Issue date
Jan 13, 1998
Membrex, Inc.
Philip M. Rolchigo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary filtration device and filter pack therefor
Patent number
5,254,250
Issue date
Oct 19, 1993
Membrex, Inc.
Philip M. Rolchigo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary disc filtration device
Patent number
5,143,630
Issue date
Sep 1, 1992
Membrex, Inc.
Philip M. Rolchigo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary filtration device with hyperphilic membrane
Patent number
5,000,848
Issue date
Mar 19, 1991
Membrex, Inc.
Leonard T. Hodgins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for controlling the permeate composition in a rotary filtra...
Patent number
4,911,847
Issue date
Mar 27, 1990
Membrex, Inc.
Iosif Shmidt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrophilic article and method of producing same
Patent number
4,906,379
Issue date
Mar 6, 1990
Membrex, Inc.
Leonard T. Hodgins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Small volume rotary filter
Patent number
4,876,013
Issue date
Oct 24, 1989
Membrex Incorporated
Iosif Shmidt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Liquid bearing for rotary apparatus
Patent number
4,867,878
Issue date
Sep 19, 1989
Membrex, Inc.
Michael S. Rashev
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filtration method and apparatus
Patent number
4,790,942
Issue date
Dec 13, 1988
Membrex Incorporated
Iosif Shmidt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75105576 - WASTEWIZARD
Serial number
75105576
Registration number
2063117
Filing date
May 17, 1996
Membrex, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
74266942 - STEELPORE
Serial number
74266942
Registration number
1805167
Filing date
Apr 17, 1992
Membrex, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74227542 - ULTRACHEM
Serial number
74227542
Registration number
1805153
Filing date
Dec 4, 1991
Membrex, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73744469 - ULTRAFILIC
Serial number
73744469
Registration number
1608871
Filing date
Aug 5, 1988
MEMBREX, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73711723 - PACESETTER
Serial number
73711723
Registration number
1507016
Filing date
Feb 17, 1988
MEMBREX, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73711725 - MEMBREX
Serial number
73711725
Registration number
1507017
Filing date
Feb 17, 1988
MEMBREX, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73711726 - BENCHMARK
Serial number
73711726
Registration number
1507018
Filing date
Feb 17, 1988
MEMBREX, INC.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes