and protected by a gas-bell

Industry

  • CPC
  • F04D13/083
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Up-thrusting fluid system

    • Patent number 10,801,309
    • Issue date Oct 13, 2020
    • FMC Technologies, Inc.
    • Christopher E. Cunningham
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cooling arrangement of a pump intended for pumping a liquid

    • Patent number 10,030,670
    • Issue date Jul 24, 2018
    • XYLEM IP MANAGEMENT S.à r.l.
    • Johan Bratthäll
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Partition for immersible machine

    • Patent number 9,391,439
    • Issue date Jul 12, 2016
    • Xylem IP Holdings LLC
    • Gunnar Nordfors
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lighting system for pedicure spa

    • Patent number 8,680,699
    • Issue date Mar 25, 2014
    • Gulfstream Inc.
    • Minh Sang Tran
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Light kit in combination with a pump system

    • Patent number 8,531,048
    • Issue date Sep 10, 2013
    • Gulfstream, Inc.
    • Minh Sang Tran
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nested bellows expansion member for a submersible pump

    • Patent number 7,520,735
    • Issue date Apr 21, 2009
    • Baker Hughes Incorporated
    • Daniel A. Merrill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Above the motor bellows expansion member for a submersible pump

    • Patent number 6,851,935
    • Issue date Feb 8, 2005
    • Baker Hughes Incorporated
    • Daniel A. Merrill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressurized seal for submersible pumps

    • Patent number 6,422,822
    • Issue date Jul 23, 2002
    • Shell Oil Company
    • Jeffrey Wayne Holmes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible motor with shaft seals

    • Patent number 6,379,127
    • Issue date Apr 30, 2002
    • Lawrence Pumps, Inc.
    • Dale B. Andrews
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System and method for protecting a submergible motor from corrosive...

    • Patent number 6,268,672
    • Issue date Jul 31, 2001
    • Camco International, Inc.
    • Peter H. G. Straub
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electric motor pump with magnetic coupling and thrust balancing means

    • Patent number 6,213,736
    • Issue date Apr 10, 2001
    • G Louis Weisser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Safety pumping system for hazardous environments using pressurized...

    • Patent number 6,086,331
    • Issue date Jul 11, 2000
    • Svanehoj International A/S
    • Lau Halkj.ae butted.r
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diving bell submersible seal

    • Patent number 5,855,472
    • Issue date Jan 5, 1999
    • Richard B. Ravitts
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for intermittent transfer of fluid having vapor trap seal...

    • Patent number 5,522,709
    • Issue date Jun 4, 1996
    • Liquid Carbonic Corporation
    • George D. Rhoades
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Apparatus for intermittent transfer of fluid having vapor trap seal...

    • Patent number 5,431,546
    • Issue date Jul 11, 1995
    • Liquid Carbonic Corporation
    • George D. Rhoades
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Air seal for pump with vertical shaft

    • Patent number 5,346,361
    • Issue date Sep 13, 1994
    • Goulds Pumps, Incorporated
    • Daniel J. Jurgill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric motor driven pump

    • Patent number 5,336,064
    • Issue date Aug 9, 1994
    • Westinghouse Electric Corporation
    • Robert P. Lamers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Molten metal pump

    • Patent number 5,181,828
    • Issue date Jan 26, 1993
    • The Carborundum Company
    • Ronald E. Gilbert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    All dry submersible motor pump with a concordant seal system

    • Patent number 4,966,532
    • Issue date Oct 30, 1990
    • Lu Fengsheng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquefied gas pump

    • Patent number 4,753,571
    • Issue date Jun 28, 1988
    • Klein, Schanzlin & Becker Aktiengesellschaft
    • Jurgen Schill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable pump with air seal

    • Patent number 4,627,790
    • Issue date Dec 9, 1986
    • Thompson-Chemtrex, Inc.
    • H. David Bowes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid metal mechanical pump

    • Patent number 4,511,315
    • Issue date Apr 16, 1985
    • Doryokuro Kakunenryo Kaihatsu Jigyodan
    • Mitsuru Kanbe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumping apparatus

    • Patent number 4,493,609
    • Issue date Jan 15, 1985
    • Stauffer Chemical Company
    • George J. Morgan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submerged pump assembly and method of making and using same

    • Patent number 4,492,514
    • Issue date Jan 8, 1985
    • Stang Hydronics Inc.
    • James B. Dron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Protection device and sump pump

    • Patent number 4,309,157
    • Issue date Jan 5, 1982
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Enclosed sump pump

    • Patent number 4,087,204
    • Issue date May 2, 1978
    • Karl O. Niedermeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump sealing system

    • Patent number 4,065,232
    • Issue date Dec 27, 1977
    • Andrew Stratienko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-water interface control for submersible electric motor

    • Patent number 4,040,773
    • Issue date Aug 9, 1977
    • Borg-Warner Corporation
    • John J. Tuzson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3907463

    • Patent number 3,907,463
    • Issue date Sep 23, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3671786

    • Patent number 3,671,786
    • Issue date Jun 20, 1972
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents