TREA

obtained from rhombus shaped sheets

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Industry

  • CPC
  • B31B2221/105
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31BMAKING BOXES, CARTONS, ENVELOPES OR BAGS OF PAPER OR CARDBOARD B31B2221/00Making bags from sheets

Current Industry

B31B2221/105obtained from rhombus shaped sheets
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Envelope with sealed display rack hole
    • Patent number 8,534,535
    • Issue date Sep 17, 2013
    • Victor Envelope Manufacturing Corporation
    • David Nickell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Envelope blank forming machine
    • Patent number 5,100,371
    • Issue date Mar 31, 1992
    • F. L. Smithe Machine Company, Inc.
    • Herbert W. Helm
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Envelope blank forming machine
    • Patent number 5,019,030
    • Issue date May 28, 1991
    • F. L. Smithe Machine Company, Inc.
    • Herbert W. Helm
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Envelope forming machine with envelope blank stack sensor
    • Patent number 4,585,221
    • Issue date Apr 29, 1986
    • American Envelope Company
    • Harold R. Lillibridge
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Turn bar apparatus and method for web fed envelope machine
    • Patent number 3,954,213
    • Issue date May 4, 1976
    • United States Envelope Company
    • Egil A. Andersen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Apparatus for making envelopes with broad or pointed closures from...
    • Patent number 3,935,799
    • Issue date Feb 3, 1976
    • Winkler & Dunnebier
    • Kurt Stemmler
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3799044
    • Patent number 3,799,044
    • Issue date Mar 26, 1974
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3733982
    • Patent number 3,733,982
    • Issue date May 22, 1973
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3683757
    • Patent number 3,683,757
    • Issue date Aug 15, 1972
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3646858
    • Patent number 3,646,858
    • Issue date Mar 7, 1972
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3630124
    • Patent number 3,630,124
    • Issue date Dec 28, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3626821
    • Patent number 3,626,821
    • Issue date Dec 14, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3582437
    • Patent number 3,582,437
    • Issue date Jun 1, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3572222
    • Patent number 3,572,222
    • Issue date Mar 23, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3472129
    • Patent number 3,472,129
    • Issue date Oct 14, 1969
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3412655
    • Patent number 3,412,655
    • Issue date Nov 26, 1968
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3379103
    • Patent number 3,379,103
    • Issue date Apr 23, 1968
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3371007
    • Patent number 3,371,007
    • Issue date Feb 27, 1968
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3327576
    • Patent number 3,327,576
    • Issue date Jun 27, 1967
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3302503
    • Patent number 3,302,503
    • Issue date Feb 7, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3279290
    • Patent number 3,279,290
    • Issue date Oct 18, 1966
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3259031
    • Patent number 3,259,031
    • Issue date Jul 5, 1966
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3249086
    • Patent number 3,249,086
    • Issue date May 3, 1966
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3244045
    • Patent number 3,244,045
    • Issue date Apr 5, 1966
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3172321
    • Patent number 3,172,321
    • Issue date Mar 9, 1965
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3143938
    • Patent number 3,143,938
    • Issue date Aug 11, 1964
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3140090
    • Patent number 3,140,090
    • Issue date Jul 7, 1964
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3056322
    • Patent number 3,056,322
    • Issue date Oct 2, 1962
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3025770
    • Patent number 3,025,770
    • Issue date Mar 20, 1962
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2996962
    • Patent number 2,996,962
    • Issue date Aug 22, 1961
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Patents Applicationslast 30 patents