the inserts being located around the gudgeon pin bearings

Patents Grantslast 30 patents

  • Information Patent Grant

    Light alloy pistons with reinforcing inserts for the piston pin bores

    • Patent number 4,831,918
    • Issue date May 23, 1989
    • Kolbenschmidt Aktiengesellschaft
    • Siegfried Mielke
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Metal piston and ceramic piston pin assembly

    • Patent number 4,796,517
    • Issue date Jan 10, 1989
    • NGK Spark Plug Co., Ltd.
    • Shigeaki Akao
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pistons

    • Patent number 4,228,727
    • Issue date Oct 21, 1980
    • Wellworthy Limited
    • David C. Speaight
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pistons for internal combustion engines or for compressors

    • Patent number 4,074,617
    • Issue date Feb 21, 1978
    • Hepworth & Grandage Ltd.
    • Frederick Edward Cockcroft
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3626815

    • Patent number 3,626,815
    • Issue date Dec 14, 1971
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3434398

    • Patent number 3,434,398
    • Issue date Mar 25, 1969
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2257184

    • Patent number 2,257,184
    • Issue date Sep 30, 1941
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2248175

    • Patent number 2,248,175
    • Issue date Jul 8, 1941
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2104350

    • Patent number 2,104,350
    • Issue date Jan 4, 1938
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2082898

    • Patent number 2,082,898
    • Issue date Jun 8, 1937
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2062625

    • Patent number 2,062,625
    • Issue date Dec 1, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2062624

    • Patent number 2,062,624
    • Issue date Dec 1, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2052985

    • Patent number 2,052,985
    • Issue date Sep 1, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2050452

    • Patent number 2,050,452
    • Issue date Aug 11, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2046587

    • Patent number 2,046,587
    • Issue date Jul 7, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2032849

    • Patent number 2,032,849
    • Issue date Mar 3, 1936
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2006008

    • Patent number 2,006,008
    • Issue date Jun 25, 1935
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2006009

    • Patent number 2,006,009
    • Issue date Jun 25, 1935
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1990496

    • Patent number 1,990,496
    • Issue date Feb 12, 1935
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1982396

    • Patent number 1,982,396
    • Issue date Nov 27, 1934
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1945994

    • Patent number 1,945,994
    • Issue date Feb 6, 1934
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1944934

    • Patent number 1,944,934
    • Issue date Jan 30, 1934
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1909633

    • Patent number 1,909,633
    • Issue date May 16, 1933
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1835874

    • Patent number 1,835,874
    • Issue date Dec 8, 1931
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1802180

    • Patent number 1,802,180
    • Issue date Apr 21, 1931
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1792504

    • Patent number 1,792,504
    • Issue date Feb 17, 1931
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1771859

    • Patent number 1,771,859
    • Issue date Jul 29, 1930
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    1759509

    • Patent number 1,759,509
    • Issue date May 20, 1930
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1734021

    • Patent number 1,734,021
    • Issue date Oct 29, 1929
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents