conical shape

Patents Grantslast 30 patents

  • Information Patent Grant

    Eccentric screw pump with working engagement and idle engagement an...

    • Patent number 12,129,851
    • Issue date Oct 29, 2024
    • VOGELSANG GMBH & CO. KG
    • Michael Rolfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Complex screw rotors having multiple helical profiles joined by a c...

    • Patent number 12,110,888
    • Issue date Oct 8, 2024
    • Industrial Technologies and Services, LLC
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Complex screw rotors having multiple helical profiles joined by a c...

    • Patent number 12,078,169
    • Issue date Sep 3, 2024
    • Industrial Technologies and Services, LLC
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Volume ratio for a R718* compressor

    • Patent number 12,012,961
    • Issue date Jun 18, 2024
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston and cylinder device with single stator side

    • Patent number 11,859,495
    • Issue date Jan 2, 2024
    • Lontra Limited
    • Stephen Francis Lindsey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Complex screw rotors

    • Patent number 11,644,034
    • Issue date May 9, 2023
    • GARDNER DENVER, INC.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Controlling the gap geometry in an eccentric screw pump

    • Patent number 11,286,928
    • Issue date Mar 29, 2022
    • VOGELSANG GMBH & CO. KG
    • Paul Krampe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure changing device

    • Patent number 11,035,364
    • Issue date Jun 15, 2021
    • Sten Kreuger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston and cylinder devices

    • Patent number 11,008,865
    • Issue date May 18, 2021
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor for a vehicle air-conditioning system having spir...

    • Patent number 10,989,193
    • Issue date Apr 27, 2021
    • HANON SYSTEMS
    • Bernd Guntermann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Complex screw rotors

    • Patent number 10,975,867
    • Issue date Apr 13, 2021
    • GARDNER DENVER, INC.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method to improve downhole motor durability

    • Patent number 10,626,866
    • Issue date Apr 21, 2020
    • Schlumberger Technology Corporation
    • Samba Ba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement rotary motion device including a pulse detona...

    • Patent number 10,337,328
    • Issue date Jul 2, 2019
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature low-vibration active cooling system with conical rotary c...

    • Patent number 10,174,973
    • Issue date Jan 8, 2019
    • VERT ROTORS UK LIMITED
    • Oleg Dmitriev
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Screw pump

    • Patent number 9,869,314
    • Issue date Jan 16, 2018
    • NETZSCH Pumpen & Systeme GmbH
    • Eduardo Nuss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature low-vibration active cooling system with conical rotary c...

    • Patent number 9,776,739
    • Issue date Oct 3, 2017
    • VERT ROTORS UK LIMITED
    • Oleg Dmitriev
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Side channel liquid ring pump and impeller for side channel liquid...

    • Patent number 9,695,835
    • Issue date Jul 4, 2017
    • Woodward, Inc.
    • Austin Wade Mueller
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Indexed positive displacement rotary motion device

    • Patent number 9,447,688
    • Issue date Sep 20, 2016
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pump with a resilient seal

    • Patent number 9,175,681
    • Issue date Nov 3, 2015
    • Quantex Patents Limited
    • Richard Paul Hayes-Pankhurst
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Helical gear pump

    • Patent number 9,109,595
    • Issue date Aug 18, 2015
    • Ralf Daunheimer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pump having varying pitches

    • Patent number 8,827,669
    • Issue date Sep 9, 2014
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Indexed positive displacement rotary motion device

    • Patent number 8,602,758
    • Issue date Dec 10, 2013
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Single screw compressor structure

    • Patent number 8,337,184
    • Issue date Dec 25, 2012
    • Daikin Industries, Ltd.
    • Mohammod Anwar Hossain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Moineau pump

    • Patent number 8,308,459
    • Issue date Nov 13, 2012
    • Grundfos Management A/S
    • Helge Grann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Eccentric screw pump

    • Patent number 8,152,499
    • Issue date Apr 10, 2012
    • Grundfos Management A/S
    • Esben Grønborg Brun
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pressure sealed tapered screw pump/motor

    • Patent number 7,828,535
    • Issue date Nov 9, 2010
    • Alan Notis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blending pump assembly

    • Patent number 7,404,705
    • Issue date Jul 29, 2008
    • International Dispensing Corporation
    • Mitchell A. Friedman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blending pump assembly

    • Patent number 7,131,826
    • Issue date Nov 7, 2006
    • International Dispensing Corporation
    • Mitchell A. Friedman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pumps

    • Patent number 6,672,855
    • Issue date Jan 6, 2004
    • The BOC Group plc
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self compensating adjustable fit progressing cavity pump for oil-we...

    • Patent number 6,457,958
    • Issue date Oct 1, 2002
    • Weatherford/Lamb, Inc.
    • Lonnie Dunn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPLEX SCREW ROTORS

    • Publication number 20240426298
    • Publication date Dec 26, 2024
    • Industrial Technologies and Services, LLC
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPLEX SCREW ROTORS

    • Publication number 20230272797
    • Publication date Aug 31, 2023
    • Gardner Denver, Inc.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VOLUME RATIO FOR A R718* COMPRESSOR

    • Publication number 20230167823
    • Publication date Jun 1, 2023
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ECCENTRIC SCREW PUMP WITH WORKING ENGAGEMENT AND IDLE ENGAGEMENT AN...

    • Publication number 20230167818
    • Publication date Jun 1, 2023
    • VOGELSANG GMBH & CO. KG
    • Michael Rolfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSING CAVITY DEVICES AND ASSEMBLIES FOR COUPLING MULTIPLE STA...

    • Publication number 20220145882
    • Publication date May 12, 2022
    • National-Oilwell Varco, L.P.
    • Michael James Guidry
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPLEX SCREW ROTORS

    • Publication number 20210231122
    • Publication date Jul 29, 2021
    • GARDNER DENVER, INC.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROLLING THE GAP GEOMETRY IN AN ECCENTRIC SCREW PUMP

    • Publication number 20200124046
    • Publication date Apr 23, 2020
    • VOGELSANG GMBH & CO. KG
    • Paul Krampe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR FOR A VEHICLE AIR-CONDITIONING SYSTEM

    • Publication number 20180335031
    • Publication date Nov 22, 2018
    • HANON SYSTEMS
    • Bernd Guntermann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPLEX SCREW ROTORS

    • Publication number 20180258934
    • Publication date Sep 13, 2018
    • GARDNER DENVER, INC.
    • Luke Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Design and Method to Improve Downhole Motor Durability

    • Publication number 20180003174
    • Publication date Jan 4, 2018
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Samba Ba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON AND CYLINDER DEVICES

    • Publication number 20170204727
    • Publication date Jul 20, 2017
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Indexed Positive Displacement Rotary Motion Device

    • Publication number 20140216000
    • Publication date Aug 7, 2014
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH A RESILIENT SEAL

    • Publication number 20120034122
    • Publication date Feb 9, 2012
    • PDD INNOVATIONS LIMITED
    • Richard Paul Hayes-Pankhurst
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ECCENTRIC SCREW PUMP

    • Publication number 20110305589
    • Publication date Dec 15, 2011
    • Ralf Daunheimer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Pump

    • Publication number 20100296958
    • Publication date Nov 25, 2010
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOINEAU PUMP

    • Publication number 20100260636
    • Publication date Oct 14, 2010
    • Grundfos Management a/s
    • Helge Grann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE SCREW COMPRESSOR STRUCTURE

    • Publication number 20100247364
    • Publication date Sep 30, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Mohammod Anwar Hossain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INDEXED POSITIVE DISPLACEMENT ROTARY MOTION DEVICE

    • Publication number 20100074786
    • Publication date Mar 25, 2010
    • Alejandro Juan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ECCENTRIC SCREW PUMP

    • Publication number 20090214369
    • Publication date Aug 27, 2009
    • Grundfos Management a/s
    • Esben Gronborg Brun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pressure Sealed Tapered Screw Pump/Motor

    • Publication number 20080138230
    • Publication date Jun 12, 2008
    • Alan Notis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Dry Pumps

    • Publication number 20070196228
    • Publication date Aug 23, 2007
    • Clive Marcus Lloyd Tunna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Blending pump assembly

    • Publication number 20070071625
    • Publication date Mar 29, 2007
    • International Dispensing Corporation
    • Mitchell A. Friedman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Vacuum pumps

    • Publication number 20010024620
    • Publication date Sep 27, 2001
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...