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Ontario, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for manufacturing a double-walled, thermoplastic...
Patent number
7,691,317
Issue date
Apr 6, 2010
Corma, Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the production of corrugated plastic tubes
Patent number
6,576,180
Issue date
Jun 10, 2003
Corma Inc.
Horst Rahn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Clamshell corrugators and the like
Patent number
5,545,369
Issue date
Aug 13, 1996
Corma, Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Travelling mold tunnel apparatus for smooth walled pipe
Patent number
5,516,482
Issue date
May 14, 1996
Corma Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Gap adjustment of a plastic flow channel in a plastic part forming...
Patent number
5,466,402
Issue date
Nov 14, 1995
Corma Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for modifying corrugated or ribbed pipe to have a smooth...
Patent number
5,383,998
Issue date
Jan 24, 1995
Corma Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process of and apparatus for making plastic tubing
Patent number
5,372,774
Issue date
Dec 13, 1994
Corma
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of modifying corrugated or ribbed pipe to have a smooth oute...
Patent number
5,330,600
Issue date
Jul 19, 1994
Corma Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods for forming tubing utilizing suction and pneumatic pressure...
Patent number
5,296,188
Issue date
Mar 22, 1994
Corma, Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Improvements relating to cooling plugs in thermoplastic pipe formin...
Patent number
5,186,878
Issue date
Feb 16, 1993
Corma Inc.
Manfred A. A. Lupke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for encasing drainage pipes
Patent number
4,780,165
Issue date
Oct 25, 1988
Corma, Inc.
Hermann Stover
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Trademark
last 30 trademarks
Information
Trademark
98059228
Serial number
98059228
Registration number
7380719
Filing date
Jun 26, 2023
Corma Inc.
7 - Machines and machine tools
Information
Trademark
97779798 - SUPERCOUPLING
Serial number
97779798
Filing date
Feb 3, 2023
Corma Inc.
7 - Machines and machine tools
Information
Trademark
78888142 - CORMA
Serial number
78888142
Registration number
3217922
Filing date
May 19, 2006
Corma Inc.
7 - Machines and machine tools
Information
Trademark
73210899 - CHAMPION
Serial number
73210899
Registration number
1148624
Filing date
Apr 9, 1979
Corma Corporation
4 - Industrial oils and greases
Information
Trademark
73077056 - CI CORMA INC.
Serial number
73077056
Registration number
1051136
Filing date
Feb 12, 1976
CORMA INC.
7 - Machines and machine tools