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of counter-engagement type
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Industry
CPC
F04C2/24
This industry / category may be too specific. Please go to a parent level for more data
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
F04C2/00
Rotary-piston machines or pumps
Current Industry
F04C2/24
of counter-engagement type
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Patents Grants
last 30 patents
Information
Patent Grant
Metering pump made of plastic
Patent number
10,060,431
Issue date
Aug 28, 2018
Robert Bosch GmbH
Dan Barron
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary compressor having gate axially movable with respect to rotor
Patent number
9,441,629
Issue date
Sep 13, 2016
Torad Engineering, LLC
Gregory T. Kemp
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Multiphase pump with high compression ratio
Patent number
8,562,318
Issue date
Oct 22, 2013
Exponential Technologies, Inc.
Kristjan Gottfried
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary compressor having gate axially movable with respect to rotor
Patent number
8,177,536
Issue date
May 15, 2012
Gregory T. Kemp
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary fluid-displacement assembly
Patent number
8,113,805
Issue date
Feb 14, 2012
Torad Engineering, LLC
Gregory T. Kemp
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary pump apparatus with plural abutting pumping segments
Patent number
4,385,874
Issue date
May 31, 1983
Hilbert J. Savoie
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
VANE PUMP UNIT
Publication number
20150204326
Publication date
Jul 23, 2015
SHOWA CORPORATION
Yoshihiro TSUKAHARA
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL PUMP CONTROL ASSEMBLY
Publication number
20150139840
Publication date
May 21, 2015
PIERBURG GMBH
Rolf Lappan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
ELECTRIC OIL PUMP
Publication number
20150086405
Publication date
Mar 26, 2015
AISIN SEIKI KABUSHIKI KAISHA
Hidefumi KONAKAWA
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Rotary Compressor Having Gate Axially Movable With Respect To Rotor
Publication number
20150017046
Publication date
Jan 15, 2015
Torad Engineering, LLC
GREGORY T. KEMP
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
ROTARY COMPRESSOR HAVING GATE AXIALLY MOVABLE WITH RESPECT TO ROTOR
Publication number
20120207639
Publication date
Aug 16, 2012
Gregory T. Kemp
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Rotary fluid-displacement assembly
Publication number
20090081063
Publication date
Mar 26, 2009
Gregory T. Kemp
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Rotary compressor
Publication number
20090081064
Publication date
Mar 26, 2009
Gregory T. Kemp
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES