Screw jacks, plural section nut

Patents Grantslast 30 patents

  • Information Patent Grant

    2917956

    • Patent number 2,917,956
    • Issue date Dec 22, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2917966

    • Patent number 2,917,966
    • Issue date Dec 22, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2532168

    • Patent number 2,532,168
    • Issue date Nov 28, 1950
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1721227

    • Patent number 1,721,227
    • Issue date Jul 16, 1929
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    1294699

    • Patent number 1,294,699
    • Issue date Feb 18, 1919
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    951945

    • Patent number 951,945
    • Issue date Mar 15, 1910
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    844469

    • Patent number 844,469
    • Issue date Feb 19, 1907
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    332811

    • Patent number 332,811
    • Issue date Dec 22, 1885
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    161974

    • Patent number 161,974
    • Issue date Apr 13, 1875
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    144861

    • Patent number 144,861
    • Issue date Nov 25, 1873
    • A63 - SPORTS GAMES AMUSEMENTS