Operable submerged in liquid

Patents Grantslast 30 patents

  • Information Patent Grant

    Direct drive water-driven rotary tool

    • Patent number 6,203,415
    • Issue date Mar 20, 2001
    • Laura C. Torrance-Castanza
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Underwater pile driving tool

    • Patent number 6,129,487
    • Issue date Oct 10, 2000
    • Bermingham Construction Limited
    • Patrick Bermingham
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Water-driven rotary tool

    • Patent number 5,620,364
    • Issue date Apr 15, 1997
    • Laura C. Torrance
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method for driving a hydraulic submerged tool

    • Patent number 4,964,473
    • Issue date Oct 23, 1990
    • IHC Holland N.V.
    • Dik Arentsen
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Drive unit for driving ramming parts under water

    • Patent number 4,872,514
    • Issue date Oct 10, 1989
    • Bomag-Menck GmbH
    • Hans Kuehn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Compliant rotary powered tool

    • Patent number 4,871,036
    • Issue date Oct 3, 1989
    • Gary A. Parrott
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Submergible electrohydraulic drive unit for ramming and working dev...

    • Patent number 4,817,734
    • Issue date Apr 4, 1989
    • Bomag-Menck GmbH
    • Hans Kuehn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Method of and a drive unit for driving ramming parts under water

    • Patent number 4,818,149
    • Issue date Apr 4, 1989
    • Bomag-Menck GmbH
    • Hans Kuehn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Underwater tapping machine

    • Patent number 4,579,484
    • Issue date Apr 1, 1986
    • T. D. Williamson, Inc.
    • James B. Sullivan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Underwater hydraulic tool

    • Patent number 4,526,239
    • Issue date Jul 2, 1985
    • Japan Marine Science & Technology Center
    • Hidehiko Kaneda
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Submerging ramming arrangement

    • Patent number 4,479,550
    • Issue date Oct 30, 1984
    • Koehring GmbH
    • Hans K/u/ hn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Subsea pile driver

    • Patent number 4,367,800
    • Issue date Jan 11, 1983
    • Hollandsche Beton Groep N.V.
    • Dirk Arentsen
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydrostatically operated underwater pile driver and method of opera...

    • Patent number 4,362,439
    • Issue date Dec 7, 1982
    • Peter P. Vaynkof
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic nailing machine

    • Patent number 4,347,963
    • Issue date Sep 7, 1982
    • Lars J. T. Billing
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Water weighted corer

    • Patent number 3,970,156
    • Issue date Jul 20, 1976
    • The United States of America as represented by the Secretary of the Navy
    • Shale Jack Niskin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device for soil sampling under water

    • Patent number 3,948,058
    • Issue date Apr 6, 1976
    • Evgeny Ivanovich Tanov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3912022

    • Patent number 3,912,022
    • Issue date Oct 14, 1975
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3881557

    • Patent number 3,881,557
    • Issue date May 6, 1975
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3858666

    • Patent number 3,858,666
    • Issue date Jan 7, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3828866

    • Patent number 3,828,866
    • Issue date Aug 13, 1974
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3802519

    • Patent number 3,802,519
    • Issue date Apr 9, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3786875

    • Patent number 3,786,875
    • Issue date Jan 22, 1974
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3695367

    • Patent number 3,695,367
    • Issue date Oct 3, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3596525

    • Patent number 3,596,525
    • Issue date Aug 3, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3547207

    • Patent number 3,547,207
    • Issue date Dec 15, 1970
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3533478

    • Patent number 3,533,478
    • Issue date Oct 13, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3516503

    • Patent number 3,516,503
    • Issue date Jun 23, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3502159

    • Patent number 3,502,159
    • Issue date Mar 24, 1970
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3477523

    • Patent number 3,477,523
    • Issue date Nov 11, 1969
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3468385

    • Patent number 3,468,385
    • Issue date Sep 23, 1969
    • E21 - EARTH DRILLING MINING