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Patents Grantslast 30 patents

  • Information Patent Grant

    Methods and apparatus for forming cylindrical photosensitive elements

    • Patent number 5,916,403
    • Issue date Jun 29, 1999
    • E. I. Du Pont de Nemours and Company
    • Stephen Cushner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Porous material of polytetrafluoroethylene and production process t...

    • Patent number 5,911,926
    • Issue date Jun 15, 1999
    • Sumitomo Electric Industries, Ltd.
    • Akira Harada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Methods and apparatus for forming cylindrical photosensitive elements

    • Patent number 5,798,019
    • Issue date Aug 25, 1998
    • E. I. Du Pont de Nemours and Company
    • Stephen Cushner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for forming a coated roll

    • Patent number 5,176,940
    • Issue date Jan 5, 1993
    • Valmet Paper Machinery Inc.
    • Jukka Salo
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for producing rollers equipped with a rubber layer

    • Patent number 4,880,590
    • Issue date Nov 14, 1989
    • Canon Kabushiki Kaisha
    • Akira Furuya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of mass producing damage-resistant compact discs

    • Patent number 4,836,874
    • Issue date Jun 6, 1989
    • Michael S. Foster
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Roller forming of thermoplastic sheet material

    • Patent number 4,818,460
    • Issue date Apr 4, 1989
    • General Electric Company
    • Herman F. Nied
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process of making a cloth takeup mandrel

    • Patent number 4,754,537
    • Issue date Jul 5, 1988
    • Burlington Industries, Inc.
    • Curtis L. Lee
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Heatable winding drum construction for use in manufacturing plastic...

    • Patent number 4,544,435
    • Issue date Oct 1, 1985
    • Manfred Hawerkamp
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for molding elongated workpieces

    • Patent number 4,477,406
    • Issue date Oct 16, 1984
    • Deere & Company
    • Patrick M. Luchsinger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Production of photosensitive resin cylinders

    • Patent number 4,337,220
    • Issue date Jun 29, 1982
    • Nippon Paint Co., Ltd.
    • Seiji Arimatsu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3619446

    • Patent number 3,619,446
    • Issue date Nov 9, 1971
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    3103409

    • Patent number 3,103,409
    • Issue date Sep 10, 1963
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3089187

    • Patent number 3,089,187
    • Issue date May 14, 1963
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3083410

    • Patent number 3,083,410
    • Issue date Apr 2, 1963
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2946087

    • Patent number 2,946,087
    • Issue date Jul 26, 1960
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2899713

    • Patent number 2,899,713
    • Issue date Aug 18, 1959
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2790999

    • Patent number 2,790,999
    • Issue date May 7, 1957
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2728951

    • Patent number 2,728,951
    • Issue date Jan 3, 1956
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2706310

    • Patent number 2,706,310
    • Issue date Apr 19, 1955
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2642625

    • Patent number 2,642,625
    • Issue date Jun 23, 1953
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2551966

    • Patent number 2,551,966
    • Issue date May 8, 1951
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2551005

    • Patent number 2,551,005
    • Issue date May 1, 1951
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    2503512

    • Patent number 2,503,512
    • Issue date Apr 11, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2497376

    • Patent number 2,497,376
    • Issue date Feb 14, 1950
    • A41 - WEARING APPAREL
  • Information Patent Grant

    2219700

    • Patent number 2,219,700
    • Issue date Oct 29, 1940
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2067025

    • Patent number 2,067,025
    • Issue date Jan 5, 1937
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    2002711

    • Patent number 2,002,711
    • Issue date May 28, 1935
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1908546

    • Patent number 1,908,546
    • Issue date May 9, 1933
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents