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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ozone infection control device
Patent number
7,731,914
Issue date
Jun 8, 2010
Denco, Inc.
Ivars V. Ivansons
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Device for welding plastic tubes
Patent number
7,398,813
Issue date
Jul 15, 2008
Denco Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Spin-hemodialysis assembly and method
Patent number
6,852,231
Issue date
Feb 8, 2005
Denco, Inc.
Ivars V. Ivansons
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Female urinary system
Patent number
6,814,719
Issue date
Nov 9, 2004
Denco, Inc.
Theresa M. Preston
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Female urinary device
Patent number
6,716,181
Issue date
Apr 6, 2004
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wafer for use in the selective connecting and disconnecting of plas...
Patent number
6,637,489
Issue date
Oct 28, 2003
Denco, Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Surgical/medical tubing and containers for use in conveying medical...
Patent number
6,348,049
Issue date
Feb 19, 2002
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Sterile containment welding device with self-monitoring heater unit...
Patent number
6,177,652
Issue date
Jan 23, 2001
Denco, Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Wafer for use in selective connecting and disconnecting of plastic...
Patent number
6,132,833
Issue date
Oct 17, 2000
Denco
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Ionomeric modified poly-ether-ester plastic container for cryogenic...
Patent number
6,071,690
Issue date
Jun 6, 2000
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Sterile containment welding device with self-monitoring heater unit...
Patent number
6,020,574
Issue date
Feb 1, 2000
Denco, Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Surgical/medical tubing and containers for use in conveying medical...
Patent number
5,928,216
Issue date
Jul 27, 1999
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Medical tubing and containers for use in conveying medical solution...
Patent number
5,919,173
Issue date
Jul 6, 1999
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wafer for use in selective connecting and disconnecting of plastic...
Patent number
5,871,612
Issue date
Feb 16, 1999
Denco, Inc.
Dudley W.C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sterile containment welding device for plastic tubes
Patent number
5,855,731
Issue date
Jan 5, 1999
Denco, Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Medical tubing and containers for use in conveying medical solution...
Patent number
5,733,268
Issue date
Mar 31, 1998
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Total containment welding of plastic tubes
Patent number
5,674,333
Issue date
Oct 7, 1997
Denco, Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Ion generator in connect/disconnect of plastic tubes
Patent number
5,632,852
Issue date
May 27, 1997
Denco, Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Wafer for use in the selective connecting and disconnecting of plas...
Patent number
5,525,186
Issue date
Jun 11, 1996
Denco, Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Wafer for the welding and/or cutting of plastic tubes
Patent number
D357926
Issue date
May 2, 1995
Denco, Inc.
Ivars V. Ivansons
D15 - Machines not elsewhere specified
Information
Patent Grant
Total containment welding of plastic tubes
Patent number
5,397,425
Issue date
Mar 14, 1995
Denco, Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Package for a wafer for the welding and/or cutting of plastic tubes
Patent number
D355848
Issue date
Feb 28, 1995
Denco, Inc.
Ivars V. Ivansons
D09 - Packages and containers for goods
Information
Patent Grant
Solution bag with plastic connecting tube
Patent number
5,342,345
Issue date
Aug 30, 1994
Denco, Inc.
Dudley W. C. Spencer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Total containment device for connect/disconnect of plastic tubes
Patent number
5,279,685
Issue date
Jan 18, 1994
Denco, Inc.
Ivars V. Ivansons
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sterile containment welding device for plastic tubes
Patent number
5,256,229
Issue date
Oct 26, 1993
Denco, Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sterile entry/exit total containment process for closed systems usi...
Patent number
5,248,359
Issue date
Sep 28, 1993
Denco Inc.
John B. Shaposka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Total containment welding of plastic tubes
Patent number
5,244,522
Issue date
Sep 14, 1993
Denco Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Total containment welding of plastic tubes
Patent number
5,209,800
Issue date
May 11, 1993
Denco, Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Total containment welding or plastic tubes
Patent number
5,158,630
Issue date
Oct 27, 1992
Denco, Inc.
John B. Shaposka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Total containment welding of plastic tubes
Patent number
5,156,701
Issue date
Oct 20, 1992
Denco Inc.
Dudley W. C. Spencer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
78140852 - TINKLES
Serial number
78140852
Filing date
Jul 2, 2002
DENCO, INC.
5 - Pharmaceutical and veterinary preparations
Information
Trademark
75823845 - TOTAL CONTAINMENT DEVICE
Serial number
75823845
Registration number
2445898
Filing date
Oct 15, 1999
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
75643141 - TAPER LOCK
Serial number
75643141
Registration number
2368039
Filing date
Feb 16, 1999
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
75643142 - TCD
Serial number
75643142
Registration number
2326147
Filing date
Feb 16, 1999
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
75474216 - STERILE DOCKER
Serial number
75474216
Registration number
2355976
Filing date
Apr 24, 1998
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
75103040 - HY
Serial number
75103040
Registration number
2240959
Filing date
May 13, 1996
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
75036466 - CELGARD'S'
Serial number
75036466
Filing date
Dec 18, 1995
DENCO, INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
74704655 - TCD TOTAL CONTAINMENT DEVICE
Serial number
74704655
Filing date
Jul 24, 1995
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
74704654 - CELGARD BT
Serial number
74704654
Filing date
Jul 24, 1995
DENCO, INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
74643855 - CELGARD'S'
Serial number
74643855
Filing date
Mar 9, 1995
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
74636366 - TCD TOTAL CONTAINMENT DEVICE
Serial number
74636366
Registration number
2058598
Filing date
Feb 21, 1995
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
74571982 - TCD
Serial number
74571982
Registration number
1913022
Filing date
Sep 12, 1994
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
74524171 - HYTRON
Serial number
74524171
Filing date
May 12, 1994
DENCO, INC.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
74226493 - TCD
Serial number
74226493
Registration number
1795600
Filing date
Dec 2, 1991
DENCO, INC.
7 - Machines and machine tools
Information
Trademark
74116315 - TOTAL CONTAINMENT DEVICE (TCD)
Serial number
74116315
Filing date
Nov 19, 1990
DENCO, INC.
7 - Machines and machine tools