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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:016460/0742   Pages: 6
Recorded: 08/29/2005
Conveyance: RELEASE OF SECURITY INTEREST
Total properties: 50
1
Patent #:
4775794
Issue Dt:
10/04/1988
Application #:
07115314
Filing Dt:
11/02/1987
Title:
PROCESS AND APPARATUS FOR MEASUREMENT OF LIGHT-ABSORBABLE COMPONENTS DISSOLVED IN LIQUIDS
2
Patent #:
4897191
Issue Dt:
01/30/1990
Application #:
07199823
Filing Dt:
05/27/1988
Title:
TUBULAR MEMBRANE MODULE WITH FLUID SHEAR PROTECTION
3
Patent #:
5100549
Issue Dt:
03/31/1992
Application #:
07498656
Filing Dt:
03/26/1990
Title:
TUBULAR MEMBRANE MODULE
4
Patent #:
5227063
Issue Dt:
07/13/1993
Application #:
07501997
Filing Dt:
03/30/1990
Title:
TUBULAR MEMBRANE MODULE
5
Patent #:
5104535
Issue Dt:
04/14/1992
Application #:
07569405
Filing Dt:
08/17/1990
Title:
FRAMELESS ARRAY OF HOLLOW FIBER MEMBRANES AND MODULE CONTAINING A STACK OF ARRAYS
6
Patent #:
5204001
Issue Dt:
04/20/1993
Application #:
07773226
Filing Dt:
10/09/1991
Title:
MEMBRANE BIOREACTOR SYSTEM FOR TREATING SYNTHETIC METAL-WORKING FLUIDS AND OIL-BASED PRODUCTS
7
Patent #:
5151187
Issue Dt:
09/29/1992
Application #:
07794867
Filing Dt:
11/19/1991
Title:
MEMBRANE BIOREACTOR SYSTEM WITH IN-LINE GAS MICRONIZER
8
Patent #:
5182019
Issue Dt:
01/26/1993
Application #:
07845168
Filing Dt:
03/03/1992
Title:
CARTRIDGE OF HYBRID FRAMELESS ARRAYS OF HOLLOW FIBER MEMBRANES AND MODULE CONTAINING AN ASSEMBLY OF CARTRIDGES
9
Patent #:
5232593
Issue Dt:
08/03/1993
Application #:
07845641
Filing Dt:
03/04/1992
Title:
CARTRIDGE OF HOLLOW FIBER MEMBRANE WAFERS AND MODULE CONTAINING STACKED CARTRIDGES
10
Patent #:
5250182
Issue Dt:
10/05/1993
Application #:
07912320
Filing Dt:
07/13/1992
Title:
MEMBRANE-BASED PROCESS FOR THE RECOVERY OF LACTIC ACID AND GLYCEROL FROM A "CORN THIN STILLAGE" STREAM
11
Patent #:
5254253
Issue Dt:
10/19/1993
Application #:
07934879
Filing Dt:
08/21/1992
Title:
MODULAR SHIPBOARD MEMBRANE BIOREATOR SYSTEM FOR COMBINED WASTEWATER STREAMS
12
Patent #:
5244579
Issue Dt:
09/14/1993
Application #:
07959086
Filing Dt:
10/09/1992
Title:
TRANSPORTABLE REVERSE OSMOSIS WATER PURIFICATION UNIT
13
Patent #:
5248424
Issue Dt:
09/28/1993
Application #:
07977601
Filing Dt:
11/17/1992
Title:
FRAMELESS ARRAY OF HOLLOW FIBER MEMBRANES AND METHOD OF MAINTAINING CLEAN FIBER SURFACES WHILE FILTERING A SUBSTRATE TO WITHDRAW A PERMEATE
14
Patent #:
5366625
Issue Dt:
11/22/1994
Application #:
07992560
Filing Dt:
12/18/1992
Title:
CARTRIDGE OF HYBRID UNITARY WAFERS OF HOLLOW FIBER MEMBRANES AND MODULE CONTAINING A STACK OF POST-POTTED CARTRIDGES
15
Patent #:
5472607
Issue Dt:
12/05/1995
Application #:
08170033
Filing Dt:
12/20/1993
Title:
HOLLOW FIBER SEMIPERMEABLE MEMBRANE OF TUBULAR BRAID
16
Patent #:
5403479
Issue Dt:
04/04/1995
Application #:
08170053
Filing Dt:
12/20/1993
Title:
IN SITU CLEANING SYSTEM FOR FOULED MEMBRANES
17
Patent #:
5496739
Issue Dt:
03/05/1996
Application #:
08207013
Filing Dt:
03/04/1994
Title:
TEST FOR GLYCOL IN WATER
18
Patent #:
5501798
Issue Dt:
03/26/1996
Application #:
08225454
Filing Dt:
04/06/1994
Title:
MICROFILTRATION ENHANCED REVERSE OSMOSIS FOR WATER TREATMENT
19
Patent #:
5558774
Issue Dt:
09/24/1996
Application #:
08410730
Filing Dt:
03/27/1995
Title:
AERATED HOT MEMBRANE BIOREACTOR PROCESS FOR TREATING RECALCITRANT COMPOUNDS
20
Patent #:
5670053
Issue Dt:
09/23/1997
Application #:
08512108
Filing Dt:
08/07/1995
Title:
PURIFICATION OF GASES FROM WATER USING REVERSE OSMOSIS
21
Patent #:
5766479
Issue Dt:
06/16/1998
Application #:
08512109
Filing Dt:
08/07/1995
Title:
PRODUCTION OF HIGH PURITY WATER USING REVERSE OSMOSIS
22
Patent #:
5639373
Issue Dt:
06/17/1997
Application #:
08514119
Filing Dt:
08/11/1995
Title:
VERTICAL SKEIN OF HOLLOW FIBER MEMBRANES AND METHOD OF MAINTAINING CLEAN FIBER SURFACES WHILE FILTERING A SUBSTRATE TO WITHDRAW A PERMEATE
23
Patent #:
5783083
Issue Dt:
07/21/1998
Application #:
08690045
Filing Dt:
07/31/1996
Title:
VERTICAL CYLINDRICAL SKEIN OF HOLLOW FIBER MEMBRANES AND METHOD OF MAINTAINING CLEAN FIBER SURFACES
24
Patent #:
5958243
Issue Dt:
09/28/1999
Application #:
08804279
Filing Dt:
03/03/1997
Title:
APPARATUS AND METHOD FOR MEMBRANE FILTRATION WITH ENHANCED NET FLUX
25
Patent #:
5914039
Issue Dt:
06/22/1999
Application #:
08886652
Filing Dt:
07/01/1997
Title:
FILTRATION MEMBRANE WITH CALCINED ALPHA-ALUMINA PARTICLES THEREIN
26
Patent #:
5910250
Issue Dt:
06/08/1999
Application #:
08896517
Filing Dt:
06/16/1997
Title:
BAFFLE FOR CONVERSION OF FINE BUBBLES TO COARSE WHILE FILTERING WITH A VERTICAL SKEIN OF HOLLOW FIBERS
27
Patent #:
6027649
Issue Dt:
02/22/2000
Application #:
08944082
Filing Dt:
10/04/1997
Title:
PROCESS FOR PURIFYING WATER USING FINE FLOC AND MICROFILTRATION IN A SINGLE TANK REACTOR
28
Patent #:
6126834
Issue Dt:
10/03/2000
Application #:
08988105
Filing Dt:
12/10/1997
Title:
HIGH RESISTIVITY WATER PRODUCTION WITH CONTROLLED WATER TEMPERATURES
29
Patent #:
6120688
Issue Dt:
09/19/2000
Application #:
09020726
Filing Dt:
02/09/1998
Title:
PORTABLE REVERSE OSMOSIS UNIT FOR PRODUCING DRINKING WATER
30
Patent #:
5944997
Issue Dt:
08/31/1999
Application #:
09024417
Filing Dt:
02/17/1998
Title:
SYSTEM FOR MAINTAINING A CLEAN SKEIN OF HOLLOW FIBERS WHILE FILTERING SUSPENDED SOLIDS
31
Patent #:
5997745
Issue Dt:
12/07/1999
Application #:
09056962
Filing Dt:
04/08/1998
Title:
METHOD FOR PRODUCING HIGH PURITY WATER USING TRIPLE PASS REVERSE OSMOSIS (TPRO)
32
Patent #:
6120689
Issue Dt:
09/19/2000
Application #:
09056964
Filing Dt:
04/08/1998
Title:
HIGH PURITY WATER USING TRIPLE PASS REVERSE OSMOSIS (TPRO)
33
Patent #:
6042677
Issue Dt:
03/28/2000
Application #:
09258999
Filing Dt:
02/26/1999
Title:
POTTED HEADER FOR HOLLOW FIBER MEMBRANES AND METHOD FOR MAKING IT
34
Patent #:
6258278
Issue Dt:
07/10/2001
Application #:
09330641
Filing Dt:
06/11/1999
Title:
HIGH PURITY WATER PRODUCTION
35
Patent #:
RE37549
Issue Dt:
02/19/2002
Application #:
09333669
Filing Dt:
06/15/1999
Title:
VERTICAL SKEIN OF HOLLOW FIBER MEMBRANES AND METHOD OF MAINTAINING CLEAN FIBER SURFACES WHILE FILTERING A SUBSTRATE TO WITHDRAW A PERMEATE
36
Patent #:
6354444
Issue Dt:
03/12/2002
Application #:
09335073
Filing Dt:
06/17/1999
Title:
HOLLOW FIBER MEMBRANE AND BRAIDED TUBULAR SUPPORT THEREFOR
37
Patent #:
6267891
Issue Dt:
07/31/2001
Application #:
09365280
Filing Dt:
07/30/1999
Title:
HIGH PURITY WATER PRODUCTION USING ION EXCHANGE
38
Patent #:
6214231
Issue Dt:
04/10/2001
Application #:
09384638
Filing Dt:
08/27/1999
Title:
SYSTEM FOR OPERATION OF MULTIPLE MEMBRANE FILTRATION ASSEMBLIES
39
Patent #:
6193890
Issue Dt:
02/27/2001
Application #:
09386575
Filing Dt:
08/30/1999
Title:
SYSTEM FOR MAINTAINING A CLEAN SKEIN OF HOLLOW FIBERS WHILE FILTERING SUSPENDED SOLIDS
40
Patent #:
6319411
Issue Dt:
11/20/2001
Application #:
09414370
Filing Dt:
10/07/1999
Title:
METHOD OF MAINTAINING CLEAN VERTICAL SKEINS OF HOLLOW FIBER MEMBRANES AND SYSTEM THEREFOR
41
Patent #:
6303035
Issue Dt:
10/16/2001
Application #:
09425236
Filing Dt:
10/25/1999
Title:
IMMERSED MEMBRANE FILTRATION PROCESS
42
Patent #:
6375848
Issue Dt:
04/23/2002
Application #:
09444414
Filing Dt:
11/22/1999
Title:
WATER FILTRATION USING IMMERSED MEMBRANES
43
Patent #:
6324898
Issue Dt:
12/04/2001
Application #:
09468779
Filing Dt:
12/21/1999
Title:
METHOD AND APPARATUS FOR TESTING THE INTEGRITY OF FILTERING MEMBRANES
44
Patent #:
6245239
Issue Dt:
06/12/2001
Application #:
09488359
Filing Dt:
01/19/2000
Title:
Cyclic aeration system for submerged membrane modules
45
Patent #:
6325928
Issue Dt:
12/04/2001
Application #:
09505718
Filing Dt:
02/17/2000
Title:
Immersed membrane element and module
46
Patent #:
6294039
Issue Dt:
09/25/2001
Application #:
09507438
Filing Dt:
02/19/2000
Title:
Potted header for hollow fiber membranes
47
Patent #:
6406629
Issue Dt:
06/18/2002
Application #:
09646115
Filing Dt:
09/27/2000
Title:
BIOLOGICAL PROCESS FOR REMOVING PHOSPHORUS INVOLVING A MEMBRANE FILTER
48
Patent #:
6361695
Issue Dt:
03/26/2002
Application #:
09677703
Filing Dt:
09/30/2000
Title:
Shipboard wastewater treatment system
49
Patent #:
6550747
Issue Dt:
04/22/2003
Application #:
09814737
Filing Dt:
03/23/2001
Publication #:
US20010027950
Pub Dt:
10/11/2001
Title:
CYCLIC AERATION SYSTEM FOR SUBMERGED MEMBRANE MODULES
50
Patent #:
6656356
Issue Dt:
12/02/2003
Application #:
09848012
Filing Dt:
05/03/2001
Publication #:
US20010027951
Pub Dt:
10/11/2001
Title:
AERATED IMMERSED MEMBRANE SYSTEM
Assignor
1
CANADIAN IMPERIAL BANK OF COMMERCE
Exec Dt:
08/29/2005
Assignee
1
ZENON ENVIRONMENTAL INC.
3239 DUNDAS STREET WEST
OAKVILLE, CANADA L6M 4B2
Correspondence name and address
MINDEN GROSS ATTN: YOSEF ADLER
111 RICHMOND STREET WEST
SUITE 700
NORTH YORK ONTARIO, M5H 2H5 CANADA

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