having corrugations

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing a waterproof felt duct and a waterproof fe...

    • Patent number 11,401,898
    • Issue date Aug 2, 2022
    • Hyundai Motor Company
    • Won-Seop Choi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Heated respiratory hose wiring

    • Patent number 11,052,214
    • Issue date Jul 6, 2021
    • GLOBALMED, INC.
    • Martin E Forrester
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite ball screw

    • Patent number 11,041,552
    • Issue date Jun 22, 2021
    • CROMPTON TECHNOLOGY GROUP LIMITED
    • William Pollitt
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Heated respiratory hose assembly

    • Patent number 10,792,454
    • Issue date Oct 6, 2020
    • GlobalMed, Inc.
    • Martin E Forrester
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing fibrous cores

    • Patent number 9,505,179
    • Issue date Nov 29, 2016
    • The Procter & Gamble Company
    • Stephen Scott D'Souza
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Composite material structure and method of manufacturing same

    • Patent number 9,352,538
    • Issue date May 31, 2016
    • Park Electrochemical Corporation
    • Eric L. Olason
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pressurizable structures comprising different surface sections

    • Patent number 8,087,536
    • Issue date Jan 3, 2012
    • Technische Universiteit Delft
    • Sotiris Koussios
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Apparatus for producing corrugated tube

    • Patent number 5,662,764
    • Issue date Sep 2, 1997
    • Toyo Chemical Co., Ltd.
    • Noboru Hasegawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for producing corrugated tube

    • Patent number 5,593,535
    • Issue date Jan 14, 1997
    • Toyo Chemical Co., Ltd.
    • Noboru Hasegawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bearing with bearing surface of integrally bonded self-lubricating...

    • Patent number 5,560,103
    • Issue date Oct 1, 1996
    • Rexnord Corporation
    • Bernard Harris
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bearing with bearing surface of integrally bonded self-lubricating...

    • Patent number 5,431,500
    • Issue date Jul 11, 1995
    • Rexnord Corporation
    • Bernard Harris
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of bonding self-lubricating fibers to an external surface of...

    • Patent number 5,288,354
    • Issue date Feb 22, 1994
    • Rexnord Corporation
    • Bernard Harris
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for producing double-walled corrugated pipes

    • Patent number 4,731,138
    • Issue date Mar 15, 1988
    • Manfred A. A. Lupke
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for manufacturing corrugated tubes

    • Patent number 4,692,197
    • Issue date Sep 8, 1987
    • Toyo Chemical Co., Ltd.
    • Koutarou Ueda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for manufacturing corrugated tubes

    • Patent number 4,575,400
    • Issue date Mar 11, 1986
    • Toyo Chemical Co., Ltd.
    • Koutarou Ueda
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of manufacturing corrugated tube

    • Patent number 4,368,088
    • Issue date Jan 11, 1983
    • Toyo Kagaku Kabushiki Kaisha
    • Hiroshi Asakura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for filament winding on a corrugated form to p...

    • Patent number 4,012,266
    • Issue date Mar 15, 1977
    • Donald L. Magee
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3907004

    • Patent number 3,907,004
    • Issue date Sep 23, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3905856

    • Patent number 3,905,856
    • Issue date Sep 16, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3746589

    • Patent number 3,746,589
    • Issue date Jul 17, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3477891

    • Patent number 3,477,891
    • Issue date Nov 11, 1969
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3436289

    • Patent number 3,436,289
    • Issue date Apr 1, 1969
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3391422

    • Patent number 3,391,422
    • Issue date Jul 9, 1968
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3248272

    • Patent number 3,248,272
    • Issue date Apr 26, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2688906

    • Patent number 2,688,906
    • Issue date Sep 14, 1954
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2245758

    • Patent number 2,245,758
    • Issue date Jun 17, 1941
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HEATED RESPIRATORY HOSE SUPPORT HELIX INCORPORATING LUMENS

    • Publication number 20240115847
    • Publication date Apr 11, 2024
    • GLOBALMED INC.
    • Martin E. Forrester
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    COMPOSITE BALL SCREW

    • Publication number 20210270352
    • Publication date Sep 2, 2021
    • CROMPTON TECHNOLOGY GROUP LIMITED
    • William POLLITT
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD OF MANUFACTURING FIBROUS CORES

    • Publication number 20140230997
    • Publication date Aug 21, 2014
    • The Procter & Gamble Company
    • Stephen Scott D'SOUZA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Pressurizable structures comprising different surface sections

    • Publication number 20060049195
    • Publication date Mar 9, 2006
    • Sotiris Koussios
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Process and device for the manufacture of polygonal tubes

    • Publication number 20020189310
    • Publication date Dec 19, 2002
    • Waldemar Bauer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL