Piston

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for casting articles

    • Patent number 5,388,632
    • Issue date Feb 14, 1995
    • T&N Technology Limited
    • Colin R. Bayliss
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Casting die

    • Patent number 5,174,357
    • Issue date Dec 29, 1992
    • AE Piston Products Limited
    • Gordon L. Allen
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Cast compression ring for reciprocating pistons

    • Patent number 4,261,088
    • Issue date Apr 14, 1981
    • Alan J. Scott
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Manufacture of pistons incorporating a thermal barrier

    • Patent number 4,120,081
    • Issue date Oct 17, 1978
    • Alcan Aluminiumwerk Nurnberg GmbH
    • Fritz Rosch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for manufacturing a light alloy piston having an annular co...

    • Patent number 3,991,811
    • Issue date Nov 16, 1976
    • Karl Schmidt GmbH
    • Adolf Diez
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1874925

    • Patent number 1,874,925
    • Issue date Aug 30, 1932
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1867862

    • Patent number 1,867,862
    • Issue date Jul 19, 1932
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1868144

    • Patent number 1,868,144
    • Issue date Jul 19, 1932
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1865299

    • Patent number 1,865,299
    • Issue date Jun 28, 1932
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1854279

    • Patent number 1,854,279
    • Issue date Apr 19, 1932
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1842745

    • Patent number 1,842,745
    • Issue date Jan 26, 1932
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1830519

    • Patent number 1,830,519
    • Issue date Nov 3, 1931
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1807689

    • Patent number 1,807,689
    • Issue date Jun 2, 1931
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1803301

    • Patent number 1,803,301
    • Issue date Apr 28, 1931
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1794827

    • Patent number 1,794,827
    • Issue date Mar 3, 1931
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1792580

    • Patent number 1,792,580
    • Issue date Feb 17, 1931
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1790230

    • Patent number 1,790,230
    • Issue date Jan 27, 1931
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1789943

    • Patent number 1,789,943
    • Issue date Jan 20, 1931
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1771201

    • Patent number 1,771,201
    • Issue date Jul 22, 1930
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1770818

    • Patent number 1,770,818
    • Issue date Jul 15, 1930
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1769455

    • Patent number 1,769,455
    • Issue date Jul 1, 1930
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1764889

    • Patent number 1,764,889
    • Issue date Jun 17, 1930
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1762598

    • Patent number 1,762,598
    • Issue date Jun 10, 1930
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    1759455

    • Patent number 1,759,455
    • Issue date May 20, 1930
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    1754889

    • Patent number 1,754,889
    • Issue date Apr 15, 1930
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    1752598

    • Patent number 1,752,598
    • Issue date Apr 1, 1930
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1748526

    • Patent number 1,748,526
    • Issue date Feb 25, 1930
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1746739

    • Patent number 1,746,739
    • Issue date Feb 11, 1930
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1742015

    • Patent number 1,742,015
    • Issue date Dec 31, 1929
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1736252

    • Patent number 1,736,252
    • Issue date Nov 19, 1929
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents