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Earl T. Pottorff

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  • Savannah, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gusseter board with retractable nose
    • Patent number 9,044,896
    • Issue date Jun 2, 2015
    • Pearl Technologies, Inc.
    • Robert J. Tewksbury
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pivot punch
    • Patent number 7,779,738
    • Issue date Aug 24, 2010
    • Pearl Technologies Incorporated
    • Earl T. Pottorff
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Swing arm stabilizing cage
    • Patent number 6,196,827
    • Issue date Mar 6, 2001
    • Pearl Technologies, Inc.
    • Earl T. Pottorff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Slitter-punch with quick adapter
    • Patent number 6,148,710
    • Issue date Nov 21, 2000
    • Pearl Technologies, Inc.
    • Earl T. Pottorff
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Bow spreader bar
    • Patent number 6,113,026
    • Issue date Sep 5, 2000
    • Pearl Technologies, Inc.
    • Earl T. Pottorff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bubble stabilizer and sizing cage with wear strips
    • Patent number 5,942,256
    • Issue date Aug 24, 1999
    • Earl T. Pottorff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bubble stabilizer and sizing cage with wear strips
    • Patent number 5,700,489
    • Issue date Dec 23, 1997
    • Pearl Technologies, Inc.
    • Earl T. Pottorff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extriuded metal collapsing boards with replaceable wear plates
    • Patent number 5,585,120
    • Issue date Dec 17, 1996
    • Pearl Technologies, Inc.
    • Earl T. Pottorff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary vacuum wicketter with removable split wearplates
    • Patent number 5,143,367
    • Issue date Sep 1, 1992
    • Earl T. Pottorff
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cover for collapsing board
    • Patent number 4,943,226
    • Issue date Jul 24, 1990
    • Earl T. Pottorff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Rotary vacuum wicketter
    • Patent number 4,877,233
    • Issue date Oct 31, 1989
    • Earl T. Pottorff
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-sharpening perforator for plastic film
    • Patent number 4,852,442
    • Issue date Aug 1, 1989
    • Earl T. Pottorff
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Self-sharpening hole punch for packaging with resilient waste expel...
    • Patent number 4,723,466
    • Issue date Feb 9, 1988
    • Earl T. Pottorff
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Self-sharpening hole punch for plastic bags
    • Patent number 4,653,372
    • Issue date Mar 31, 1987
    • Earl T. Pottorff
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    Gusseter Board with Retractable Nose
    • Publication number 20140120201
    • Publication date May 1, 2014
    • Pearl Technologies, Inc.
    • Robert J. Tewksbury
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Pivot Punch
    • Publication number 20090165620
    • Publication date Jul 2, 2009
    • Pearl Technologies, Inc.
    • Earl T. Pottorff
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    Punch assembly with spinning head
    • Publication number 20050276669
    • Publication date Dec 15, 2005
    • Earl T. Pottorff
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING