TREA

Forming valves or applying valve inserts

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Industry

  • CPC
  • B31B2219/9051
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31BMAKING BOXES, CARTONS, ENVELOPES OR BAGS OF PAPER OR CARDBOARD B31B2219/00Specific operations carried out during bag making

Current Industry

B31B2219/9051Forming valves or applying valve inserts
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Bottom-gusseted package and method
    • Patent number 9,272,481
    • Issue date Mar 1, 2016
    • Innoflex Incorporated
    • James W. Yeager
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Hermetic microwavable package with automatically opening steam vent
    • Patent number 9,199,781
    • Issue date Dec 1, 2015
    • Sonoco Development, Inc.
    • Brent Bosman
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method and apparatus for producing valve bags
    • Patent number 6,890,290
    • Issue date May 10, 2005
    • Amplas, Inc.
    • Donald J. Pansier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for the regulation of the temperature of the heated air in a...
    • Patent number 6,238,326
    • Issue date May 29, 2001
    • Windmoller & Holscher
    • Jan Burger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dual-chambered container and method of making same
    • Patent number 5,865,309
    • Issue date Feb 2, 1999
    • Nissho Corporation
    • Hitoshi Futagawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method of making beverage packaging bag
    • Patent number 4,762,514
    • Issue date Aug 9, 1988
    • Fujimori Kogyo Co., Ltd.
    • Tokio Yoshida
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3373664
    • Patent number 3,373,664
    • Issue date Mar 19, 1968
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3214312
    • Patent number 3,214,312
    • Issue date Oct 26, 1965
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents