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CPC
F04D15/0055
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F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F04
Liquid pumps
F04D
NON-POSITIVE DISPLACEMENT PUMPS
F04D15/00
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F04D15/0055
Rotors with adjustable blades
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Patents Grants
last 30 patents
Information
Patent Grant
Compressible and expandable blade for a fluid pump
Patent number
11,994,133
Issue date
May 28, 2024
ECP ENTWICKLUNGSGESELLSCHAFT MBH
Thomas Toellner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Adjustable blade of impeller built-in electric pump
Patent number
11,802,567
Issue date
Oct 31, 2023
HEFEI HENGDA JIANGHAI PUMP CO., LTD.
Liang Liang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressible and expandable blade for a fluid pump
Patent number
11,268,521
Issue date
Mar 8, 2022
ECP ENTWICKLUNGSGESELLSCHAFT MBH
Thomas Toellner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control apparatus for a hydraulic variable-pitch propeller and prop...
Patent number
11,143,200
Issue date
Oct 12, 2021
MT-Propeller Entwicklung GmbH
Martin Albrecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump systems with variable diameter impeller devices
Patent number
10,989,216
Issue date
Apr 27, 2021
Carmine Rende
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump systems with variable diameter impeller devices
Patent number
10,533,571
Issue date
Jan 14, 2020
Carmine Rende
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Torque-sensitive locking and release mechanism for a bistable pitch...
Patent number
10,457,381
Issue date
Oct 29, 2019
Kitty Hawk Corporation
Steffen Kuentzel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydraulic adjusting device
Patent number
10,371,180
Issue date
Aug 6, 2019
HÄGELE GMBH
Karl Hägele
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Compressible and expandable blade for a fluid pump
Patent number
10,330,101
Issue date
Jun 25, 2019
ECP Entwicklungsgesellschaft mbH
Thomas Toellner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Torque-sensitive locking and release mechanism for a bistable pitch...
Patent number
9,809,300
Issue date
Nov 7, 2017
Kitty Hawk Corporation
Steffen Kuentzel
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Dynamic pump wheel for a pump and a pump device comprising a dynami...
Patent number
8,529,207
Issue date
Sep 10, 2013
BSH Bosch und Siemens Hausgeraete GmbH
Michal Kalavsky
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Controller for a motor and a method of controlling the motor
Patent number
8,360,736
Issue date
Jan 29, 2013
Regal Beloit EPC Inc.
Brian Thomas Branecky
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Controller for a motor and a method of controlling the motor
Patent number
7,690,897
Issue date
Apr 6, 2010
A. O. Smith Corporation
Brian Thomas Branecky
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Variable flow water pump
Patent number
6,935,839
Issue date
Aug 30, 2005
Tesma International Inc.
David Mark Pascoe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Submerged motor vane wheel rotation direction control structure
Patent number
6,719,525
Issue date
Apr 13, 2004
Chi-Der Chen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Underground drainage facility, vertical-shaft multi-stage adjustabl...
Patent number
5,733,065
Issue date
Mar 31, 1998
Hitachi, Ltd.
Masayuki Yamada
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Large-depth underground drainage facility and method of running same
Patent number
5,634,740
Issue date
Jun 3, 1997
Hitachi, Ltd.
Kunio Takada
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Underground drainage facility, vertical-shaft multi-stage adjustabl...
Patent number
5,624,226
Issue date
Apr 29, 1997
Hitachi, Ltd.
Masayuki Yamada
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Large-depth underground drainage facility and method of running same
Patent number
5,487,621
Issue date
Jan 30, 1996
Hitachi, Ltd.
Kunio Takada
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus for the dynamic control of rotating stall and surge in tu...
Patent number
5,437,539
Issue date
Aug 1, 1995
Massachusetts Institute of Technology
Daniel L. Gysling
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Underground drainage facility, vertical-shaft multi-stage adjustabl...
Patent number
5,360,290
Issue date
Nov 1, 1994
Hitachi, Ltd.
Masayuki Yamada
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Variable pitch propeller apparatus
Patent number
5,159,620
Issue date
Oct 27, 1992
Thomas Bordelon
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Method and apparatus for controlling propeller pitch
Patent number
4,419,050
Issue date
Dec 6, 1983
Charles L. Williams
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Movable blade pump
Patent number
4,362,463
Issue date
Dec 7, 1982
Hitachi, Ltd.
Sumio Sudo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Variable pitch impeller
Patent number
4,178,127
Issue date
Dec 11, 1979
Zoltan P. Zahorecz
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
3901623
Patent number
3,901,623
Issue date
Aug 26, 1975
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
3844673
Patent number
3,844,673
Issue date
Oct 29, 1974
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
3840309
Patent number
3,840,309
Issue date
Oct 8, 1974
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
3804553
Patent number
3,804,553
Issue date
Apr 16, 1974
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
3801219
Patent number
3,801,219
Issue date
Apr 2, 1974
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Information
Patent Application
ADJUSTABLE BLADE OF IMPELLER BUILT-IN ELECTRIC PUMP
Publication number
20220412363
Publication date
Dec 29, 2022
HEFEI HENGDA JIANGHAI PUMP CO., LTD.
Liang LIANG
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
COMPRESSIBLE AND EXPANDABLE BLADE FOR A FLUID PUMP
Publication number
20220228592
Publication date
Jul 21, 2022
ECP ENTWICKLUNGSGESELLSCHAFT MBH
Thomas Toellner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
BRAKE SYSTEM FOR A COMPRESSOR
Publication number
20210102720
Publication date
Apr 8, 2021
Johnson Controls Technology Company
Paul William Snell
G05 - CONTROLLING REGULATING
Information
Patent Application
PUMP SYSTEMS WITH VARIABLE DIAMETER IMPELLER DEVICES
Publication number
20200109717
Publication date
Apr 9, 2020
Carmine Rende
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
COMPRESSIBLE AND EXPANDABLE BLADE FOR A FLUID PUMP
Publication number
20190316591
Publication date
Oct 17, 2019
ECP Entwicklungsgesellschaft mbH
Thomas Toellner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for Optimizing Blade Axis Position of Water Pump under All O...
Publication number
20190154040
Publication date
May 23, 2019
YANGZHOU UNIVERSITY
Baoyun QIU
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Control Apparatus For A Hydraulic Variable-Pitch Propeller And Prop...
Publication number
20190136867
Publication date
May 9, 2019
MT-Propeller Entwicklung GmbH
Martin Albrecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
TORQUE-SENSITIVE LOCKING AND RELEASE MECHANISM FOR A BISTABLE PITCH...
Publication number
20180265182
Publication date
Sep 20, 2018
Kitty Hawk Corporation
Steffen Kuentzel
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
ADJUSTABLE FAN DAMPING APPARATUS FOR EXERCISER
Publication number
20180135655
Publication date
May 17, 2018
Ya-Chi CHEN
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
COMPRESSIBLE AND EXPANDABLE BLADE FOR A FLUID PUMP
Publication number
20160053763
Publication date
Feb 25, 2016
ECP Entwicklungsgesellschaft mbH
Thomas Toellner
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
COMPRESSIBLE AND EXPANDABLE BLADE FOR A FLUID PUMP
Publication number
20120142994
Publication date
Jun 7, 2012
ECP[ ENTWICKLUNGSGELLSCHAFT MBH
Thomas Toellner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
Publication number
20110002792
Publication date
Jan 6, 2011
Ronald P. Bartos
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
DYNAMIC PUMP WHEEL FOR A PUMP AND A PUMP DEVICE COMPRISING A DYNAMI...
Publication number
20100310378
Publication date
Dec 9, 2010
BSH BOSCH UND SIEMENS HAUSGERAETE GMBH
Michal Kalavsky
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
Publication number
20100232981
Publication date
Sep 16, 2010
Brian Thomas Branecky
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
CONTROLLER FOR A MOTOR AND A METHOD OF CONTROLLING THE MOTOR
Publication number
20090288407
Publication date
Nov 26, 2009
Ronald P. Bartos
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Adjustment Device For Adjusting Propeller Blades of a Propeller Pum...
Publication number
20080199318
Publication date
Aug 21, 2008
ITT Manufacturing Enterprises
Roland Svensson
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Controller for a motor and a method of controlling the motor
Publication number
20080095639
Publication date
Apr 24, 2008
A.O. Smith Corporation
Ronald P. Bartos
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Controller for a motor and a method of controlling the motor
Publication number
20080095640
Publication date
Apr 24, 2008
A.O. Smith Corporation
Brian Thomas Branecky
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Variable flow water pump
Publication number
20030165383
Publication date
Sep 4, 2003
David Mark Pascoe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Submerged motor vane wheel rotation direction control structure
Publication number
20030118441
Publication date
Jun 26, 2003
Chi-Der Chen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...