the tamper element being retracted by heat or by heat and pressure

Patents Grantslast 30 patents

  • Information Patent Grant

    Cutter cup having seal cutter and depressor fin

    • Patent number 9,376,240
    • Issue date Jun 28, 2016
    • Tuf-Tite, Inc.
    • Greg McMurray
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Bottle finish and closure combination with venting slots

    • Patent number 4,392,055
    • Issue date Jul 5, 1983
    • Owens-Illinois, Inc.
    • Ralph H. Whitney
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tamperproof closure

    • Patent number 4,333,577
    • Issue date Jun 8, 1982
    • Owens-Illinois, Inc.
    • George V. Mumford
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3929246

    • Patent number 3,929,246
    • Issue date Dec 30, 1975
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3587898

    • Patent number 3,587,898
    • Issue date Jun 28, 1971
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL