Forming valves or applying valve inserts

Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible package

    • Patent number 9,598,215
    • Issue date Mar 21, 2017
    • Toppan Printing Co., Ltd.
    • Jun Araki
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Positive valve closure for plastic-lined bags and method for making...

    • Patent number 6,932,508
    • Issue date Aug 23, 2005
    • Smurfit-Stone Container Enterprises, Inc.
    • Neculai Roland Isai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Liners or bags and method of making them

    • Patent number 6,527,445
    • Issue date Mar 4, 2003
    • Scholle Corporation
    • Lee LaFleur
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method for checking the correct manufacture of cross bottom valve s...

    • Patent number 5,782,731
    • Issue date Jul 21, 1998
    • Windmoeller & Hoelscher
    • Uwe Kohn
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Container and a method as well as an assembly for its manufacture

    • Patent number 4,881,825
    • Issue date Nov 21, 1989
    • Unibag A/S
    • Ejvid H. B. Olesen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Machine for manufacturing square bags of thermoplastic film

    • Patent number 3,974,747
    • Issue date Aug 17, 1976
    • Dai Nippon Printing Company Limited
    • Yoshio Tsukino
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3688650

    • Patent number 3,688,650
    • Issue date Sep 5, 1972
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3680770

    • Patent number 3,680,770
    • Issue date Aug 1, 1972
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3646856

    • Patent number 3,646,856
    • Issue date Mar 7, 1972
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3548722

    • Patent number 3,548,722
    • Issue date Dec 22, 1970
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3473445

    • Patent number 3,473,445
    • Issue date Oct 21, 1969
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3280705

    • Patent number 3,280,705
    • Issue date Oct 25, 1966
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3237534

    • Patent number 3,237,534
    • Issue date Mar 1, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3235169

    • Patent number 3,235,169
    • Issue date Feb 15, 1966
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3103856

    • Patent number 3,103,856
    • Issue date Sep 17, 1963
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3040967

    • Patent number 3,040,967
    • Issue date Jun 26, 1962
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3021766

    • Patent number 3,021,766
    • Issue date Feb 20, 1962
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2955517

    • Patent number 2,955,517
    • Issue date Oct 11, 1960
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2845214

    • Patent number 2,845,214
    • Issue date Jul 29, 1958
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2668481

    • Patent number 2,668,481
    • Issue date Feb 9, 1954
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2570047

    • Patent number 2,570,047
    • Issue date Oct 2, 1951
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2102766

    • Patent number 2,102,766
    • Issue date Dec 21, 1937
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2102767

    • Patent number 2,102,767
    • Issue date Dec 21, 1937
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    1880839

    • Patent number 1,880,839
    • Issue date Oct 4, 1932
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Patents Applicationslast 30 patents

  • Information Patent Application

    FLEXIBLE PACKAGE

    • Publication number 20160288977
    • Publication date Oct 6, 2016
    • Toppan Printing Co., Ltd.
    • Jun ARAKI
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    PLASTIC BAG MAKING APPARATUS

    • Publication number 20150005148
    • Publication date Jan 1, 2015
    • FUJI SEAL INTERNATIONAL, INC.
    • Hideki Ohmae
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    Positive valve closure for plastic-lined bags and method for making...

    • Publication number 20040120609
    • Publication date Jun 24, 2004
    • Neculai Roland Isai
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Application

    Liners or bags and method of making them

    • Publication number 20020164089
    • Publication date Nov 7, 2002
    • Lee LaFleur
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD