TREA

Holders for films

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  • CPC
  • G03B21/321
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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR G03B21/00Projectors or projection-type viewers Accessories therefor

Current Industry

G03B21/321Holders for films
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting device for projecting a starry pattern
    • Patent number 11,500,277
    • Issue date Nov 15, 2022
    • Huazhu Zheng
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projection system and control method of driving current therefor
    • Patent number 11,022,864
    • Issue date Jun 1, 2021
    • Coretronic Corporation
    • Shun-Tai Chen
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Dynamic projection light
    • Patent number 10,503,060
    • Issue date Dec 10, 2019
    • Yanling Zhu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 10,042,238
    • Issue date Aug 7, 2018
    • Gemmy Industries Corporation
    • Cheng-Chun Zhang
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Multistage system for processing photographic film
    • Patent number 6,247,857
    • Issue date Jun 19, 2001
    • Eastman Kodak Company
    • Christopher E. Wheeler
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Latching recyclable motion picture reel
    • Patent number 5,775,634
    • Issue date Jul 7, 1998
    • Circular Motion Products
    • Ian Fettes
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Recyclable motion picture reel
    • Patent number 5,676,332
    • Issue date Oct 14, 1997
    • James Kraus
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Reel-locking device
    • Patent number 5,445,344
    • Issue date Aug 29, 1995
    • Eastman Kodak Company
    • Peter R. Seger
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-centering guide spindle
    • Patent number 5,152,474
    • Issue date Oct 6, 1992
    • Ray Hicks
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Binding tape reel having a tape cleaning tool
    • Patent number 5,046,678
    • Issue date Sep 10, 1991
    • Xerox Corporation
    • Ted A. Beer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Film transfer and edit adaptor
    • Patent number 4,949,912
    • Issue date Aug 21, 1990
    • Scott Bose
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film carriage assembly and method for moving and storing a film pla...
    • Patent number 4,946,327
    • Issue date Aug 7, 1990
    • Samuel Kinsora
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Core for film spool
    • Patent number 4,901,936
    • Issue date Feb 20, 1990
    • AGFA-GEVAERT N.V.
    • Edward Buelens
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Light-tight film reel
    • Patent number 4,809,923
    • Issue date Mar 7, 1989
    • AGFA-GEVAERT N.V.
    • Victor A. Adriaensen
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film reel assembly
    • Patent number 4,629,140
    • Issue date Dec 16, 1986
    • Steven B. LaCasse
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film core with restrainer
    • Patent number 4,540,134
    • Issue date Sep 10, 1985
    • Martin Schankler
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Unreeling device and tape reader incorporating such an unreeling de...
    • Patent number 4,467,983
    • Issue date Aug 28, 1984
    • Thomson-CSF
    • Michel Ledun
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Secrecy-coded cassette
    • Patent number 4,406,426
    • Issue date Sep 27, 1983
    • Richard Crandall
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Spool for photographic film
    • Patent number 4,352,469
    • Issue date Oct 5, 1982
    • Minnesota Mining and Manufacturing Company
    • William V. Huck
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Coreless roll film structure and apparatus for winding thereof
    • Patent number 4,349,163
    • Issue date Sep 14, 1982
    • McGraw-Hill, Inc.
    • David S. Wise
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tape cartridge
    • Patent number 4,294,418
    • Issue date Oct 13, 1981
    • Tuscan Industries Pty. Limited
    • Peter L. Gell
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reel technology
    • Patent number 4,274,605
    • Issue date Jun 23, 1981
    • George P. Gruber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Take-up reel
    • Patent number 4,236,680
    • Issue date Dec 2, 1980
    • Oce'-Industries, Inc.
    • John U. Thompson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Take-up motion for a tapelike material
    • Patent number 4,205,806
    • Issue date Jun 3, 1980
    • Yamada; Mitsutoshi
    • Yasuo Fujimura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Long wearing movie film bobbins with floating hubs
    • Patent number 4,151,963
    • Issue date May 1, 1979
    • Alejandro Ruiz-Barbotteau
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flat strip spool having a core provided with strip fastening means
    • Patent number 4,135,680
    • Issue date Jan 23, 1979
    • AGFA-Gevaert AG
    • Rudolf Blank
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Leader pin
    • Patent number 4,131,305
    • Issue date Dec 26, 1978
    • Ira Lopata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Movie reel system
    • Patent number 4,098,470
    • Issue date Jul 4, 1978
    • Dexter C. Clark
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Web leader, web winding methods and wound web with leader
    • Patent number 4,090,680
    • Issue date May 23, 1978
    • Bell & Howell Company
    • Irving Karsh
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Reel mounting for recording or reproducing apparatus
    • Patent number 4,083,516
    • Issue date Apr 11, 1978
    • Vockenhuber; Karl
    • Albert Schuch
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents