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in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
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CPC
F15B9/12
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
F15
Hydraulics devices
F15B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS
F15B9/00
Servomotors with follow-up action, e.g. obtained by feed-back control
Current Industry
F15B9/12
in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic actuator and multi-cylinder hydraulic actuator system
Patent number
11,022,154
Issue date
Jun 1, 2021
Goodrich Actuation Systems Limited
Jeremy Kracke
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic rotary actuator with built-in mechanical position feedback
Patent number
10,316,867
Issue date
Jun 11, 2019
Parker-Hannifin Corporation
Blake Adam Carl
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
System preventing pressured oil leakage to cylinder line in control...
Patent number
10,202,985
Issue date
Feb 12, 2019
Hema Endustri Anonim Sirketi
Vahit Olcay Kucukcelebi
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Adjustable return stroke limiter for a powered log splitter
Patent number
10,076,851
Issue date
Sep 18, 2018
Daniel James Manchik
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Micro dampers for prevention of un-commanded motion in mechanical f...
Patent number
9,695,846
Issue date
Jul 4, 2017
The Boeing Company
Shahram Namvari
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Electromechanical actuator and actuator unit
Patent number
9,618,102
Issue date
Apr 11, 2017
Nabtesco Corporation
Masanori Hirai
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Method and apparatus for controlling a fluid operated actuator
Patent number
9,164,516
Issue date
Oct 20, 2015
Norgren Limited
Christopher John Wheater
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Fluid-operated actuating drive on a valve
Patent number
8,973,890
Issue date
Mar 10, 2015
Hoerbiger Automatisierungstechnik Holding GmbH
Max Schrobenhauser
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic servo-drive device and variable turbo-supercharger using...
Patent number
8,770,087
Issue date
Jul 8, 2014
Komatsu Ltd.
Daisuke Kozuka
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Hydraulic steering control valve and reverse self-locking steering...
Patent number
8,636,098
Issue date
Jan 28, 2014
Liming Fu
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Pneumatic actuator with a position control and position adjustment
Patent number
8,505,436
Issue date
Aug 13, 2013
Norgren GmbH
Ulrich Teschke
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Fluid distributor apparatus and punching method
Patent number
8,485,087
Issue date
Jul 16, 2013
Euromac S.p.A.
Giorgio Ostini
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electro-mechanical control system for positioning fluid motors
Patent number
8,468,931
Issue date
Jun 25, 2013
James B. Johnson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Proportional position feedback hydraulic servo system
Patent number
8,313,082
Issue date
Nov 20, 2012
G. W. Lisk Company, Inc.
Gary Garcia
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Apparatus with adjustable freedom from backlash for a control device
Patent number
8,250,942
Issue date
Aug 28, 2012
Robert Bosch GmbH
Steffen Loritz
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Pneumatic actuating drive having integrated electropneumatic positi...
Patent number
8,191,455
Issue date
Jun 5, 2012
Robert Bosch GmbH
Michael Baeuerle
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Servo assistance device for motor vehicle variable-speed transmission
Patent number
8,074,533
Issue date
Dec 13, 2011
ZF Friedrichshafen AG
Dieter Fischer
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Position feedback pilot valve actuator for a spool control valve
Patent number
7,422,033
Issue date
Sep 9, 2008
HUSCO International, Inc.
Dennis R. Barber
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Power steering apparatus
Patent number
7,374,011
Issue date
May 20, 2008
Hitachi, Ltd.
Shogo Ishikawa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Multi-axis air/electrical control system
Patent number
6,989,646
Issue date
Jan 24, 2006
Stuart Pollard Jackson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Electro-hydraulic actuator with mechanical servo position feedback
Patent number
6,955,113
Issue date
Oct 18, 2005
Honeywell International Inc.
Dennis G. Demers
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Control system regulating air flow to engine intake
Patent number
6,883,320
Issue date
Apr 26, 2005
G. W. Lisk Company, Inc.
Jeffrey A. Tyler
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Electrohydraulic motor and hydraulic driving method
Patent number
6,772,671
Issue date
Aug 10, 2004
TS Corporation
Youji Asano
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulic control system with tactile force and position feedback
Patent number
6,508,058
Issue date
Jan 21, 2003
Louis A. Seaverson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Electro-hydraulic servomotor
Patent number
6,439,101
Issue date
Aug 27, 2002
Teijin Seiki Co., LTD
Haruo Kodama
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Method and control system for compensating for friction
Patent number
6,285,913
Issue date
Sep 4, 2001
Alfa Laval Automation AB
Tore Hägglund
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Single-piece proportional control
Patent number
6,260,468
Issue date
Jul 17, 2001
Sauer-Danfoss Inc.
James D. Ryken
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Ball joint for servo piston actuation in a bent axis hydraulic unit
Patent number
6,257,119
Issue date
Jul 10, 2001
Sauer-Danfoss Inc.
James D. Ryken
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pneumatically powered linear actuator control apparatus and method
Patent number
6,116,139
Issue date
Sep 12, 2000
Compact Air Products, Inc.
Lawrence F. Yuda
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Operating device for operating a friction clutch
Patent number
5,950,788
Issue date
Sep 14, 1999
Mannesmann Sachs AG
Jorg Willert
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PRESSURE BOOSTER
Publication number
20200063760
Publication date
Feb 27, 2020
SMC Corporation
Hiroyuki ASAHARA
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
SYSTEM PREVENTING PRESSURED OIL LEAKAGE TO CYLINDER LINE IN CONTROL...
Publication number
20150267718
Publication date
Sep 24, 2015
HEMA ENDUSTRI ANONIM SIRKETI
Vahit Olcay Kucukcelebi
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
FLUID-OPERATED ACTUATING DRIVE ON A VALVE
Publication number
20130009080
Publication date
Jan 10, 2013
HOERBIGER AUTOMATISIERUNGSTECHNIK HOLDING GMBH
Max Schrobenhauser
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
HYDRAULIC STEERING CONTROL VALVE AND REVERSE SELF-LOCKING STEERING...
Publication number
20120217084
Publication date
Aug 30, 2012
Liming FU
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
FORCE AMPLIFIER
Publication number
20110265641
Publication date
Nov 3, 2011
Orscheln Products L.L.C
John Michael Morris
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING A FLUID OPERATED ACTUATOR
Publication number
20110239853
Publication date
Oct 6, 2011
NORGREN LIMITED
Christopher John Wheater
G05 - CONTROLLING REGULATING
Information
Patent Application
Electro-mechanical control system for positioning fluid motors
Publication number
20110226125
Publication date
Sep 22, 2011
James B. Johnson
B66 - HOISTING LIFTING HAULING
Information
Patent Application
HYDRAULIC SERVO-DRIVE DEVICE AND VARIABLE TURBO-SUPERCHARGER USING...
Publication number
20110011077
Publication date
Jan 20, 2011
Daisuke Kozuka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Proportional Position Feedback Hydraulic Servo System
Publication number
20100313981
Publication date
Dec 16, 2010
G.W. Lisk Company, Inc.
Gary Garcia
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
PNEUMATIC ACTUATOR WITH A POSITION CONTROL AND POSITION ADJUSTMENT
Publication number
20100193038
Publication date
Aug 5, 2010
Ulrich Teschke
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
POWER BOOSTING DEVICE
Publication number
20100175492
Publication date
Jul 15, 2010
ZF Friedrichshafen AG
Klaus Spaeth
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Fluid distributor apparatus and punching method
Publication number
20100095817
Publication date
Apr 22, 2010
EUROMAC S.P.A.
Giorgio Ostini
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
APPARATUS WITH ADJUSTABLE FREEDOM FROM BACKLASH FOR A CONTROL DEVICE
Publication number
20100077915
Publication date
Apr 1, 2010
Steffen Loritz
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SERVO ASSISTANCE DEVICE FOR MOTOR VEHICLE VARIABLE-SPEED TRANSMISSION
Publication number
20100016118
Publication date
Jan 21, 2010
ZF Friedrichshafen AG
Dieter Fischer
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Pneumatic Actuating Drive Having Integrated Electropneumatic Positi...
Publication number
20090205332
Publication date
Aug 20, 2009
Michael Baeuerle
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
FORCE AMPLIFIER
Publication number
20090056530
Publication date
Mar 5, 2009
GT DEVELOPMENT CORPORATION
John Michael Morris
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Fluid Linkage for Mechanical Linkage Replacement and Servocontrol
Publication number
20070163259
Publication date
Jul 19, 2007
Timothy David Webster
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Position feedback pilot valve actuator for a spool control valve
Publication number
20060130914
Publication date
Jun 22, 2006
HUSCO International, Inc.
Dennis R. Barber
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Power steering apparatus
Publication number
20060011406
Publication date
Jan 19, 2006
Hitachi, Ltd.
Shogo Ishikawa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
CONTROL SYSTEM REGULATING AIR FLOW TO ENGINE INTAKE
Publication number
20050005919
Publication date
Jan 13, 2005
Jeffery A. Tyler
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Electro-hydraulic actuator with mechanical servo position feedback
Publication number
20040089144
Publication date
May 13, 2004
Dennis G. Demers
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Multi-axis air/electrical control system
Publication number
20040012365
Publication date
Jan 22, 2004
Stuart Pollard Jackson
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Electrohydraulic motor and hydraulic driving method
Publication number
20030084781
Publication date
May 8, 2003
TEIJIN SEIKI CO., LTD
Youji Asano
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING