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CPC
B29C2045/2653
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B29
Plastic substance processing
B29C
SHAPING OR JOINING OF PLASTICS SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL AFTER-TREATMENT OF THE SHAPED PRODUCTS
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B29C2045/2653
using two stampers
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Patents Grants
last 30 patents
Information
Patent Grant
Double-sided digital optical disk and method and apparatus for making
Patent number
6,962,668
Issue date
Nov 8, 2005
DPHI Acquisitions, Inc.
Brian S. Medower
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Information recording medium and method of manufacturing resinous s...
Patent number
6,465,069
Issue date
Oct 15, 2002
Kabushiki Kaisha Toshiba
Tadashi Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Information recording medium and method of manufacturing resinous s...
Patent number
6,451,401
Issue date
Sep 17, 2002
Kabushiki Kaisha Toshiba
Tadashi Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Information recording medium and method of manufacturing resinous s...
Patent number
6,291,047
Issue date
Sep 18, 2001
Kabushiki Kaisha Toshiba
Tadashi Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing optical recording medium
Patent number
6,210,609
Issue date
Apr 3, 2001
Sony Corporation
Minoru Takeda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Information recording medium and method of manufacturing resinous s...
Patent number
6,159,572
Issue date
Dec 12, 2000
Kabushiki Kaisha Toshiba
Tadashi Kobayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Assembly for molding optical data storage disks formatted on both s...
Patent number
6,139,307
Issue date
Oct 31, 2000
Imation Corp.
Douglas R. Plourde
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for the injection moulding of disc records
Patent number
4,681,527
Issue date
Jul 21, 1987
Pathe Marconi EMI SA
Henri Amory
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue valve assembly for an injection molding machine
Patent number
4,466,934
Issue date
Aug 21, 1984
Discovision Associates
Albert Cane
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue assembly for an injection molding machine
Patent number
4,439,132
Issue date
Mar 27, 1984
Discovision Associates
Rocky V. Morrison
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue assembly for an injection molding machine
Patent number
4,412,805
Issue date
Nov 1, 1983
Discovision Associates
Rocky V. Morrison
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue valve assembly for an injection molding machine
Patent number
4,405,540
Issue date
Sep 20, 1983
Discovision Associates
Bruno F. P. Mayer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue sleeve valve assembly for an injection molding machine
Patent number
4,394,117
Issue date
Jul 19, 1983
Discovision Associates
Arnold E. Taylor
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue valve assembly for an injection molding machine
Patent number
4,391,579
Issue date
Jul 5, 1983
Discovision Associates
Rocky V. Morrison
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for producing centrally apertured record discs
Patent number
4,374,636
Issue date
Feb 22, 1983
Discovision Associates
John R. Holmes
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue valve assembly for an injection molding machine
Patent number
4,372,741
Issue date
Feb 8, 1983
Discovision Associates
Albert Cane
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hot sprue valve assembly for an injection molding machine
Patent number
4,340,353
Issue date
Jul 20, 1982
Discovision Associates
Bruno F. P. Mayer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for replicating centrally apertured video disc records
Patent number
4,185,955
Issue date
Jan 29, 1980
MCA Disco-Vision, Inc.
John R. Holmes
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for producing injection molded and centrally apertured disc...
Patent number
4,085,178
Issue date
Apr 18, 1978
RCA Corporation
Michael Lee McNeely
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for producing injection molded and centrally apertured di...
Patent number
3,989,436
Issue date
Nov 2, 1976
RCA Corporation
Michael Lee McNeely
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
DIE STAMPER ASSEMBLY, INJECTION COMPRESSION MOULDING APPARATUS AND...
Publication number
20120153515
Publication date
Jun 21, 2012
SINGULUS TECHNOLOGIES AG
Hendricus Johannes Verhoeven
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Mold for molding the substrate of an optical disk
Publication number
20030194464
Publication date
Oct 16, 2003
Pioneer Electronic Corporation
Tetsuya Iida
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Double-sided digital optical disk and method and apparatus for making
Publication number
20030152018
Publication date
Aug 14, 2003
Silicon Valley Bank
Brian S. Medower
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
OPTICAL DISC AND MOLD FOR MANUFACTURING THE OPTICAL DISC
Publication number
20020067688
Publication date
Jun 6, 2002
TETSUYA IIDA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL