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CPC
F04C19/001
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Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F04
Liquid pumps
F04C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
F04C19/00
Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
Current Industry
F04C19/001
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid ring pump control
Patent number
11,828,285
Issue date
Nov 28, 2023
Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
Andries Daniel Jozef De Bock
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Liquid ring vacuum pump
Patent number
11,143,186
Issue date
Oct 12, 2021
Ebara Corporation
Hiroyuki Kawasaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Ring section pump having intermediate tie rod combination
Patent number
11,118,584
Issue date
Sep 14, 2021
ITT Manufacturing Enterprises LLC.
Daniel S. Miller
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Liquid-ring compressor including bypass pipe
Patent number
10,883,505
Issue date
Jan 5, 2021
VACCOMP CO., LTD.
Seok Won Lee
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Liquid-ring vacuum pump having internal inspection and foreign matt...
Patent number
10,844,858
Issue date
Nov 24, 2020
VACCOMP CO., LTD.
Seok Won Lee
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Abatement system
Patent number
10,702,824
Issue date
Jul 7, 2020
Edwards Limited
Gary Peter Knight
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Impeller-type liquid ring compressor
Patent number
10,669,850
Issue date
Jun 2, 2020
Brian Blackwell
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Component-replaceable water ring vacuum pump
Patent number
10,641,267
Issue date
May 5, 2020
VACCOMP CO., LTD.
Seok Won Lee
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Apparatus for evacuating a corrosive effluent gas stream from a pro...
Patent number
10,625,205
Issue date
Apr 21, 2020
Edwards Limited
Christopher Mark Bailey
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Abatement system
Patent number
10,099,169
Issue date
Oct 16, 2018
Edwards Limited
Andrew James Seeley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pump assembly and method for evacuating a vapor-filled chamber
Patent number
10,047,747
Issue date
Aug 14, 2018
Sterling Industry Consult GmbH
Heiner Kösters
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fuel system with liquid ring pump with centrifugal air/fuel separator
Patent number
9,989,060
Issue date
Jun 5, 2018
Woodward, Inc.
Austin Wade Mueller
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Liquid ring pump with gas scavenge device
Patent number
9,175,685
Issue date
Nov 3, 2015
Gardner Denver Nash, LLC
Douglas Eric Bissell
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Systems and methods for managing fluids in a processing environment...
Patent number
8,702,297
Issue date
Apr 22, 2014
Air Liquide Electronics U.S. LP
Karl J. Urquhart
B24 - GRINDING POLISHING
Information
Patent Grant
Pump system with vacuum source
Patent number
8,662,862
Issue date
Mar 4, 2014
Water Management Systems, LLC
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Systems for managing fluids in a processing environment using a liq...
Patent number
8,317,388
Issue date
Nov 27, 2012
Air Liquide Electronics U.S. LP
Karl J. Urquhart
B24 - GRINDING POLISHING
Information
Patent Grant
Vacuum source and float valve for a self-priming pump
Patent number
8,246,316
Issue date
Aug 21, 2012
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and system for treatment of malodorous gases emanating from...
Patent number
8,231,849
Issue date
Jul 31, 2012
Metso Power AB
Robert Lundahl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of operation of a spherical positive displacement rotary mac...
Patent number
8,152,504
Issue date
Apr 10, 2012
Alexandr Vladimirovich Didin
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Systems and methods for managing fluids in a processing environment...
Patent number
7,980,753
Issue date
Jul 19, 2011
Air Liquide Electronics U.S. LP
Karl J. Urquhart
B24 - GRINDING POLISHING
Information
Patent Grant
Systems and methods for managing fluids using a liquid ring pump
Patent number
7,871,249
Issue date
Jan 18, 2011
Air Liquide Electronics U.S. LP
Karl J. Urquhart
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump System with a vacuum source coupled to a separator
Patent number
7,794,211
Issue date
Sep 14, 2010
Water Management Systems
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pump system with vacuum source
Patent number
7,011,505
Issue date
Mar 14, 2006
Water Management Systems
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pump system with vacuum source
Patent number
6,692,234
Issue date
Feb 17, 2004
Water Management Systems
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Device for cleaning contaminated topsoil
Patent number
5,613,805
Issue date
Mar 25, 1997
Filter-und Wassertechnik GmbH
Jurgen T. Schmid
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Liquid ring pump and separator container assembly
Patent number
5,542,822
Issue date
Aug 6, 1996
Siemens Aktiengesellschaft
Manfred Stretz
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Mechanical compressor system
Patent number
5,511,953
Issue date
Apr 30, 1996
Siemens Aktiengesellschaft
Gunter Holzheimer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Wastewater treatment process with an ozone contactor
Patent number
5,043,079
Issue date
Aug 27, 1991
Solarchem Enterprises Inc.
Ronald C. Hallett
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water ring vacuum pump
Patent number
4,946,349
Issue date
Aug 7, 1990
National Space Development Agency of Japan
Kyoichi Manabe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fuel supply systems
Patent number
4,883,410
Issue date
Nov 28, 1989
Plessey Overseas Limited
John Goddard
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID BLADE PUMP
Publication number
20230296095
Publication date
Sep 21, 2023
Edwards Limited
Paul David Smith
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Pump System and Method for Operating a Pump System
Publication number
20220105858
Publication date
Apr 7, 2022
FRIDECO AG
Carl Staehle
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIQUID-RING COMPRESSOR INCLUDING BYPASS PIPE
Publication number
20200217318
Publication date
Jul 9, 2020
Vaccomp Co., Ltd.
SEOK WON LEE
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
LIQUID-RING VACUUM PUMP HAVING INTERNAL INSPECTION AND FOREIGN MATT...
Publication number
20200200172
Publication date
Jun 25, 2020
Vaccomp Co., Ltd.
SEOK WON LEE
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
LIQUID RING VACUUM PUMP
Publication number
20200141410
Publication date
May 7, 2020
EBARA CORPORATION
Hiroyuki KAWASAKI
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
COMPONENT-REPLACEABLE WATER RING VACUUM PUMP
Publication number
20190063434
Publication date
Feb 28, 2019
Vaccomp Co., Ltd.
SEOK WON LEE
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
METHOD AND DEVICE FOR PUMPING A PRODUCT BY SUCTION
Publication number
20180283406
Publication date
Oct 4, 2018
ORTEC EXPANSION
Daniel Rivard
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
APPARATUS FOR EVACUATING A CORROSIVE EFFLUENT GAS STREAM FROM A PRO...
Publication number
20180207581
Publication date
Jul 26, 2018
Edwards Limited
Christopher Mark Bailey
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ABATEMENT SYSTEM
Publication number
20180207576
Publication date
Jul 26, 2018
Edwards Limited
Andrew James Seeley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
RING SECTION PUMP HAVING INTERMEDIATE TIE ROD COMBINATION
Publication number
20180003177
Publication date
Jan 4, 2018
ITT MANUFACTURING ENTERPRISES LLC
Daniel S. MILLER
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
LIQUID RING FLUID FLOW MACHINE
Publication number
20160169226
Publication date
Jun 16, 2016
GENERAL ELECTRIC COMPANY
Sean Craig Jenkins
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HELICAL IMPELLER TYPE LIQUID RING COMPRESSOR
Publication number
20140079565
Publication date
Mar 20, 2014
Tekomp Technology Co., Ltd.
Ming-Te LU
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
METHOD AND INSTALLATION FOR FILLING CONTAINERS WITH LIQUID CONTENTS
Publication number
20130126040
Publication date
May 23, 2013
KHS GmbH
Ludwig Clüsserath
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SYSTEMS AND METHODS FOR MANAGING FLUIDS IN A PROCESSING ENVIRONMENT...
Publication number
20130112276
Publication date
May 9, 2013
Air Liquide Electronics Systems
Karl J. URQUHART
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
PUMP SYSTEM WITH VACUUM SOURCE
Publication number
20120312392
Publication date
Dec 13, 2012
WATER MANAGEMENT SYSTEMS
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR MANAGING FLUIDS IN A PROCESSING ENVIRONMENT...
Publication number
20110310694
Publication date
Dec 22, 2011
AIR LIQUIDE ELECTRONICS U.S. LP
Karl J. Urquhart
B24 - GRINDING POLISHING
Information
Patent Application
LIQUID RING PUMP WITH GAS SCAVENGE DEVICE
Publication number
20110243758
Publication date
Oct 6, 2011
Douglas Eric Bissell
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
METHOD AND SYSTEM FOR TREATMENT OF MALODOROUS GASES EMANATING FROM...
Publication number
20110142740
Publication date
Jun 16, 2011
METSO POWER AB
Robert Lundahl
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
PUMP SYSTEM WITH VACUUM SOURCE
Publication number
20110008183
Publication date
Jan 13, 2011
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Application
Method of operation of a spherical positive displacement rotary mac...
Publication number
20090185925
Publication date
Jul 23, 2009
Alexandr Vladimirovich Didin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Liquid ring pumping and reclamation systems in a processing environ...
Publication number
20070109912
Publication date
May 17, 2007
Karl J. Urquhart
G05 - CONTROLLING REGULATING
Information
Patent Application
Systems and methods for managing fluids in a processing environment...
Publication number
20070108113
Publication date
May 17, 2007
Karl J. Urquhart
B24 - GRINDING POLISHING
Information
Patent Application
Systems and methods for managing fluids using a liquid ring pump
Publication number
20070110591
Publication date
May 17, 2007
Karl J. Urquhart
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Device for the Performance Adaptation of a Liquid Ring Pump
Publication number
20070059185
Publication date
Mar 15, 2007
Fausto Olivares
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
PUMP SYSTEM WITH VACUUM SOURCE
Publication number
20060110261
Publication date
May 25, 2006
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump system with vacuum source
Publication number
20040120828
Publication date
Jun 24, 2004
David Muhs
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump system with vacuum source
Publication number
20020098090
Publication date
Jul 25, 2002
David Muhs
B60 - VEHICLES IN GENERAL