using two or more screws working in different chambers

Patents Grantslast 30 patents

  • Information Patent Grant

    Compactor and compacting method for a loose lightweight material

    • Patent number 9,409,366
    • Issue date Aug 9, 2016
    • Schmidt & Dirks Designs, Inc.
    • Jay Dean Dirks
    • B30 - PRESSES
  • Information Patent Grant

    Compression apparatus with variable speed screw and method

    • Patent number 8,784,072
    • Issue date Jul 22, 2014
    • Mascoma Canada Inc.
    • Murray J. Burke
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Apparatus and methods for producing food products

    • Patent number 7,891,288
    • Issue date Feb 22, 2011
    • H. O. Short & Son Ltd.
    • Simon Van Dalsem
    • B30 - PRESSES
  • Information Patent Grant

    Extrusion molding apparatus

    • Patent number 6,790,025
    • Issue date Sep 14, 2004
    • Denso Corporation
    • Satoru Yamaguchi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Extrusion molding machine for producing ceramic molding

    • Patent number 6,638,051
    • Issue date Oct 28, 2003
    • Denso Corporation
    • Satoru Yamaguchi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Feeding apparatus and method in spiral engagement of extruder

    • Patent number 6,299,340
    • Issue date Oct 9, 2001
    • Baiyuan Lu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for compacting particulate material

    • Patent number 6,199,780
    • Issue date Mar 13, 2001
    • Bühler GmbH
    • Frank-Otto Görlitz
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Food apparatus for forming multiple colored extrudates and method o...

    • Patent number 5,776,534
    • Issue date Jul 7, 1998
    • General Mills, Inc.
    • John C. Christensen
    • A21 - BAKING EDIBLE DOUGHS
  • Information Patent Grant

    Apparatus for forming porous preform used to fabricate optical fiber

    • Patent number 5,318,432
    • Issue date Jun 7, 1994
    • The Furukawa Electric Co., Ltd.
    • Takeshi Yagi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extrusion method and apparatus for producing a body from powder mat...

    • Patent number 5,213,737
    • Issue date May 25, 1993
    • Corning Incorporated
    • Clarence E. Ford
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Ceramic material extruding method and apparatus therefor

    • Patent number 5,064,586
    • Issue date Nov 12, 1991
    • NGK Insulators, Ltd.
    • Kouzou Higashijima
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Screw mill for comminuting and compressing material for grinding

    • Patent number 4,951,887
    • Issue date Aug 28, 1990
    • Max Gutnecht
    • B30 - PRESSES
  • Information Patent Grant

    Ceramic material extruding method and apparatus therefor

    • Patent number 4,839,120
    • Issue date Jun 13, 1989
    • NGK Insulators, Ltd.
    • Toshio Baba
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for continuously extruding and drying/cooling cereal bran

    • Patent number 4,465,447
    • Issue date Aug 14, 1984
    • Korea Advanced Institute of Science and Technology
    • Hong Sik Cheigh
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Screw extruder with an enlarged feed section

    • Patent number 4,058,298
    • Issue date Nov 15, 1977
    • Midland-Ross Corporation
    • Joseph J. Duska
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3929323

    • Patent number 3,929,323
    • Issue date Dec 30, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3891365

    • Patent number 3,891,365
    • Issue date Jun 24, 1975
    • B30 - PRESSES
  • Information Patent Grant

    3862594

    • Patent number 3,862,594
    • Issue date Jan 28, 1975
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3802385

    • Patent number 3,802,385
    • Issue date Apr 9, 1974
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3734472

    • Patent number 3,734,472
    • Issue date May 22, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3702691

    • Patent number 3,702,691
    • Issue date Nov 14, 1972
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3413684

    • Patent number 3,413,684
    • Issue date Dec 3, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3310614

    • Patent number 3,310,614
    • Issue date Mar 21, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3300811

    • Patent number 3,300,811
    • Issue date Jan 31, 1967
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3235640

    • Patent number 3,235,640
    • Issue date Feb 15, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3043480

    • Patent number 3,043,480
    • Issue date Jul 10, 1962
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2785455

    • Patent number 2,785,455
    • Issue date Mar 19, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2764780

    • Patent number 2,764,780
    • Issue date Oct 2, 1956
    • B30 - PRESSES
  • Information Patent Grant

    2572063

    • Patent number 2,572,063
    • Issue date Oct 23, 1951
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2556391

    • Patent number 2,556,391
    • Issue date Jun 12, 1951
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents