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with special shape of the actuating element
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CPC
F04B11/0066
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Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F04
Liquid pumps
F04B
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS
F04B11/00
Equalisation of pulses
Current Industry
F04B11/0066
with special shape of the actuating element
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Patents Grants
last 30 patents
Information
Patent Grant
High pressure pump
Patent number
10,968,900
Issue date
Apr 6, 2021
Carlisle Fluid Technologies, Inc.
Alan Smith
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fuel metering pump
Patent number
7,384,248
Issue date
Jun 10, 2008
Jansen's Aircraft Systems Controls, Inc.
Harvey B. Jansen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Arrangement at a piston engine and method of controlling the pistons
Patent number
7,004,121
Issue date
Feb 28, 2006
National Oilwell Norway AS
Magne Mathias Moe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hydraulic pump unit
Patent number
6,764,285
Issue date
Jul 20, 2004
Robert Bosch GmbH
Andreas Kellner
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Jet engine fuel delivery system with non-pulsating diaphragm fuel m...
Patent number
6,371,740
Issue date
Apr 16, 2002
Jansen's Aircraft Systems Controls, Inc.
Harvey B. Jansen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pulseless, reversible precision piston-array pump
Patent number
6,079,313
Issue date
Jun 27, 2000
FIA Solutions, Inc.
Duane K. Wolcott
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method for merging and/or ratio blending aliquant
Patent number
5,988,987
Issue date
Nov 23, 1999
FIA Solutions, Inc.
Duane K. Wolcott
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Improved method for injecting treatment chemicals using a constant...
Patent number
5,195,879
Issue date
Mar 23, 1993
Nalco Chemical Company
D. Dwaine Reese
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Radial piston pump
Patent number
5,163,822
Issue date
Nov 17, 1992
Kitronic Gesellschaft fur Mikrotechnik in der Medizin mbH
Harm Koelln
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pulseless piston pump
Patent number
5,145,339
Issue date
Sep 8, 1992
Graco Inc.
Kenneth E. Lehrke
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Double acting pump
Patent number
5,076,769
Issue date
Dec 31, 1991
The Dow Chemical Company
Jian-Dong Shao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method for injecting treatment chemicals using a constant flow posi...
Patent number
5,066,199
Issue date
Nov 19, 1991
Nalco Chemical Company
D. Dwaine Reese
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Process for controlling a pump to account for compressibility of li...
Patent number
4,797,834
Issue date
Jan 10, 1989
Ronald E. Honganen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Driving means of the triple-cylinder plunger pump
Patent number
4,790,732
Issue date
Dec 13, 1988
Yoshichi Yamatani
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Constant suction pump for high performance liquid chromatography
Patent number
4,753,581
Issue date
Jun 28, 1988
Milton Roy Company
Benjamin Hiscock
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Constant volume pulsation-free reciprocating pump
Patent number
4,687,426
Issue date
Aug 18, 1987
Fuji Techno Kogyo Kabushiki Kaisha
Hiroichi Yoshimura
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement pump for low-pulsation delivery of a liquid
Patent number
4,600,365
Issue date
Jul 15, 1986
Gynkotek Gesellschaft fur den Bau wissenschaftlich technischer Gerate m.b.H.
Hansjurgen Riggenmann
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Programmable solvent delivery system and process
Patent number
4,595,495
Issue date
Jun 17, 1986
Eldex Laboratories, Inc.
Reuben Yotam
G05 - CONTROLLING REGULATING
Information
Patent Grant
Constant flow positive displacement pump
Patent number
4,556,371
Issue date
Dec 3, 1985
FMC Corporation
Steven W. Post
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Dual-piston reciprocating pump assembly
Patent number
4,453,898
Issue date
Jun 12, 1984
The Perkin-Elmer Corporation
George T. Leka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Reciprocating pump for the pulsation-free delivery of a liquid
Patent number
4,359,312
Issue date
Nov 16, 1982
Zumtobel KG
Herbert Funke
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Dual-piston reciprocating pump assembly
Patent number
4,260,342
Issue date
Apr 7, 1981
The Perkin-Elmer Corporation
George T. Leka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Dual-piston reciprocating pump assembly
Patent number
4,173,437
Issue date
Nov 6, 1979
The Perkin-Elmer Corporation
George T. Leka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Non-pulsing apparatus
Patent number
4,028,018
Issue date
Jun 7, 1977
Paterson Candy International Limited
Alan Keith Audsley
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
3816029
Patent number
3,816,029
Issue date
Jun 11, 1974
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
3704080
Patent number
3,704,080
Issue date
Nov 28, 1972
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
3273512
Patent number
3,273,512
Issue date
Sep 20, 1966
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
3230887
Patent number
3,230,887
Issue date
Jan 25, 1966
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
2620734
Patent number
2,620,734
Issue date
Dec 9, 1952
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
2447467
Patent number
2,447,467
Issue date
Aug 17, 1948
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
HIGH PRESSURE PUMP
Publication number
20210190049
Publication date
Jun 24, 2021
Carlisle Fluid Technologies, Inc.
Alan Smith
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Fuel metering pump
Publication number
20050013706
Publication date
Jan 20, 2005
Harvey B. Jansen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Arrangement at a piston engine and method of controlling the pistons
Publication number
20040011193
Publication date
Jan 22, 2004
Magne Mathias Moe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...