and the tool travels with the tube

Patents Grantslast 30 patents

  • Information Patent Grant

    In-mold punch apparatus and methods

    • Patent number 8,550,807
    • Issue date Oct 8, 2013
    • Advanced Drainage Systems, Inc.
    • Randall A. Kolbet
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Process and apparatus for the continuous production of an irrigatin...

    • Patent number 5,255,434
    • Issue date Oct 26, 1993
    • Drossbach GmbH & Co.
    • Fritz P. Sorgel
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for forming a double walled thermoplastic tube...

    • Patent number 4,534,923
    • Issue date Aug 13, 1985
    • Manfred A. A. Lupke
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Double-wall plastic tubing in which the outer wall has transverse c...

    • Patent number 4,303,104
    • Issue date Dec 1, 1981
    • Hegler; Wilhelm
    • Wilhelm Hegler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for perforating corrugated plastic pipe

    • Patent number 4,204,447
    • Issue date May 27, 1980
    • David W. Slaughterbeck
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Method of manufacturing double-wall plastic tubing in which the out...

    • Patent number 4,145,387
    • Issue date Mar 20, 1979
    • Hegler; Wilhelm
    • Wilhelm Hegler
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tube slotter

    • Patent number 4,112,810
    • Issue date Sep 12, 1978
    • Advanced Drainage Systems, Inc.
    • Logan L. Dreibelbis
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Device for manufacturing perforated plastic pipes

    • Patent number 4,104,942
    • Issue date Aug 8, 1978
    • Wavin B.V.
    • Arnoldus W. J. Leloux
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3910713

    • Patent number 3,910,713
    • Issue date Oct 7, 1975
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3901113

    • Patent number 3,901,113
    • Issue date Aug 26, 1975
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    3877831

    • Patent number 3,877,831
    • Issue date Apr 15, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3779285

    • Patent number 3,779,285
    • Issue date Dec 18, 1973
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3717058

    • Patent number 3,717,058
    • Issue date Feb 20, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3635111

    • Patent number 3,635,111
    • Issue date Jan 18, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3620115

    • Patent number 3,620,115
    • Issue date Nov 16, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3160687

    • Patent number 3,160,687
    • Issue date Dec 8, 1964
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2753001

    • Patent number 2,753,001
    • Issue date Jul 3, 1956
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    2683208

    • Patent number 2,683,208
    • Issue date Jul 6, 1954
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2600254

    • Patent number 2,600,254
    • Issue date Jun 10, 1952
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2361369

    • Patent number 2,361,369
    • Issue date Oct 31, 1944
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1689133

    • Patent number 1,689,133
    • Issue date Oct 23, 1928
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents