Piston-vacuum

Patents Grantslast 30 patents

  • Information Patent Grant

    3209416

    • Patent number 3,209,416
    • Issue date Oct 5, 1965
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3201836

    • Patent number 3,201,836
    • Issue date Aug 24, 1965
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3139655

    • Patent number 3,139,655
    • Issue date Jul 7, 1964
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3121926

    • Patent number 3,121,926
    • Issue date Feb 25, 1964
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3108339

    • Patent number 3,108,339
    • Issue date Oct 29, 1963
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3106365

    • Patent number 3,106,365
    • Issue date Oct 8, 1963
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3085302

    • Patent number 3,085,302
    • Issue date Apr 16, 1963
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3065510

    • Patent number 3,065,510
    • Issue date Nov 27, 1962
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3019495

    • Patent number 3,019,495
    • Issue date Feb 6, 1962
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3008202

    • Patent number 3,008,202
    • Issue date Nov 14, 1961
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2985928

    • Patent number 2,985,928
    • Issue date May 30, 1961
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2958104

    • Patent number 2,958,104
    • Issue date Nov 1, 1960
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2938250

    • Patent number 2,938,250
    • Issue date May 31, 1960
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2896279

    • Patent number 2,896,279
    • Issue date Jul 28, 1959
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2878069

    • Patent number 2,878,069
    • Issue date Mar 17, 1959
    • A46 - BRUSHWARE
  • Information Patent Grant

    2867869

    • Patent number 2,867,869
    • Issue date Jan 13, 1959
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2866240

    • Patent number 2,866,240
    • Issue date Dec 30, 1958
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2856240

    • Patent number 2,856,240
    • Issue date Oct 14, 1958
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    2799066

    • Patent number 2,799,066
    • Issue date Jul 16, 1957
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2785448

    • Patent number 2,785,448
    • Issue date Mar 19, 1957
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2774122

    • Patent number 2,774,122
    • Issue date Dec 18, 1956
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2668985

    • Patent number 2,668,985
    • Issue date Feb 16, 1954
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2610372

    • Patent number 2,610,372
    • Issue date Sep 16, 1952
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1793100

    • Patent number 1,793,100
    • Issue date Feb 17, 1931
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    1608677

    • Patent number 1,608,677
    • Issue date Nov 30, 1926
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1591094

    • Patent number 1,591,094
    • Issue date Jul 6, 1926
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1539905

    • Patent number 1,539,905
    • Issue date Jun 2, 1925
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1183977

    • Patent number 1,183,977
    • Issue date May 23, 1916
    • G01 - MEASURING TESTING
  • Information Patent Grant

    708001

    • Patent number 708,001
    • Issue date Sep 2, 1902
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    698590

    • Patent number 698,590
    • Issue date Apr 29, 1902
    • B22 - CASTING POWDER METALLURGY