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Valves arranged in or on piston or piston-rod
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F01L21/04
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F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F01
Engines
F01L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01L21/00
Use of working pistons or pistons-rods as fluid-distributing valves or a valve-supporting elements
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F01L21/04
Valves arranged in or on piston or piston-rod
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Patents Grants
last 30 patents
Information
Patent Grant
Air motor and pump comprising such a motor
Patent number
10,385,693
Issue date
Aug 20, 2019
Exel Industries
Benoit Batllo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
High efficiency steam engine and impact-free piston operated valves...
Patent number
10,273,840
Issue date
Apr 30, 2019
Thermal Power Recovery LLC
James V. Harmon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Cylinder phaser valves
Patent number
9,890,802
Issue date
Feb 13, 2018
David Albrecht
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Internal combustion engine having piston with piston valve and asso...
Patent number
9,091,204
Issue date
Jul 28, 2015
McAlister Technologies, LLC
Roy Edward McAlister
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hydraulic cylinder with piston valve assembly
Patent number
9,010,234
Issue date
Apr 21, 2015
Tim Foster
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Air motor having a programmable logic controller interface and a me...
Patent number
9,003,950
Issue date
Apr 14, 2015
Ingersoll-Rand Company
Thomas R. Headley
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Torque multiplier engines
Patent number
8,820,275
Issue date
Sep 2, 2014
McAlister Technologies, LLC
Roy Edward McAlister
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hydraulic cylinder with piston valve assembly
Patent number
8,683,910
Issue date
Apr 1, 2014
Foster Hydraulics, Inc.
Tim Foster
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Piston with blow-by feature and method of preventing catastrophic f...
Patent number
8,635,943
Issue date
Jan 28, 2014
Federal-Mogul Corporation
Eduardo H. Matsuo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hydraulic motor
Patent number
7,752,957
Issue date
Jul 13, 2010
Alfa Laval Moatti
Jean-Claude Chrupalla
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
On/off switch for liquid additive injection pump
Patent number
6,910,405
Issue date
Jun 28, 2005
Dosmatic USA, Inc.
Frank A. Walton
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Multicylinder self-starting uniflow engine
Patent number
6,505,538
Issue date
Jan 14, 2003
Barry Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Shuttle valve of a reciprocating pneumatic motor for hydraulics
Patent number
6,012,377
Issue date
Jan 11, 2000
Michael Hung
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Pressure medium driven device performing linear motion
Patent number
5,683,230
Issue date
Nov 4, 1997
Reijo Karppinen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Reciprocating piston motor operating on pressure medium
Patent number
5,540,136
Issue date
Jul 30, 1996
Jan Noord
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic motor
Patent number
5,465,646
Issue date
Nov 14, 1995
McNeil (Ohio) Corporation
Leonard J. DiCarlo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Diaphragm pumps
Patent number
5,281,108
Issue date
Jan 25, 1994
Gerard Brooke
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Reciprocating hydraulic motor with a differential piston
Patent number
5,261,311
Issue date
Nov 16, 1993
Societe Civile De Recherche Sam
Philippe Cloup
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Airfoil changeover device
Patent number
5,209,152
Issue date
May 11, 1993
Graco, Inc.
Andrew M. Olson
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Motor with spring elements formed on valve assembly
Patent number
5,203,251
Issue date
Apr 20, 1993
Alentec Orion Aktiebolag
Leif Karlberg
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Pumping device driven by a fluid driven reciprocating actuator
Patent number
5,188,518
Issue date
Feb 23, 1993
Kabushiki Kaisha Yamada Corp.
Seiji Saita
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Compression spring fluid motor
Patent number
5,137,435
Issue date
Aug 11, 1992
Frank and Robyn Walton 1990 Family Trust
Frank Walton
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Switching device for reciprocating pumps
Patent number
5,120,202
Issue date
Jun 9, 1992
Yamada Yuki Seizo Co., Ltd.
Minoru Murata
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Switching device for reciprocating pumps
Patent number
5,002,469
Issue date
Mar 26, 1991
Yamada Yuki Seizo Co., Ltd.
Minoru Murata
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Switching device for reciprocating pumps
Patent number
5,002,468
Issue date
Mar 26, 1991
Yamada Yuki Seizo Co., Ltd.
Minoru Murata
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multicyclinder self-starting uniflow engine
Patent number
4,947,731
Issue date
Aug 14, 1990
Barry Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multicylinder self-starting uniflow engine
Patent number
4,938,117
Issue date
Jul 3, 1990
Barry W. Johnston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Fluid-operated miniature engine
Patent number
4,885,978
Issue date
Dec 12, 1989
Alessandro Caenazzo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Expansible chamber motor with snap-acting valve
Patent number
4,879,943
Issue date
Nov 14, 1989
McNeil (Ohio) Corporation
Ayzik Grach
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Fluid pump
Patent number
4,531,896
Issue date
Jul 30, 1985
Harry L. Spears
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
Valve of Pneumatic Hammer
Publication number
20200189085
Publication date
Jun 18, 2020
Ching-Tien Lin
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Intake Device of Pneumatic Hammer
Publication number
20200194199
Publication date
Jun 18, 2020
WEIJEN AIRTOOL CO., LTD.
Ching-Tien Lin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH EFFICIENCY STEAM ENGINE AND IMPACT-FREE PISTON OPERATED VALVES...
Publication number
20190128152
Publication date
May 2, 2019
THERMAL POWER RECOVERY LLC
James V. Harmon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
AIR MOTOR AND PUMP COMPRISING SUCH A MOTOR
Publication number
20170350247
Publication date
Dec 7, 2017
EXEL INDUSTRIES
Benoit BATLLO
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
TORQUE MULTIPLIER ENGINES
Publication number
20150114352
Publication date
Apr 30, 2015
McAlister Technologies, LLC
Roy Edward McAlister
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
INTERNAL COMBUSTION ENGINE AND ASSOCIATED SYSTEMS AND METHODS
Publication number
20140261347
Publication date
Sep 18, 2014
McAlister Technologies, LLC
Roy Edward McAlister
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
AIR MOTOR HAVING A PROGRAMMABLE LOGIC CONTROLLER INTERFACE AND A ME...
Publication number
20140154103
Publication date
Jun 5, 2014
Thomas R. Headley
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
TORQUE MULTIPLIER ENGINES
Publication number
20120234297
Publication date
Sep 20, 2012
McAlister Technologies, LLC
Roy E. McAlister
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
PISTON WITH BLOW-BY FEATURE AND METHOD OF PREVENTING CATASTROPHIC F...
Publication number
20110107910
Publication date
May 12, 2011
Eduardo H. Matsuo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
AUTOMATED SWITCH FOR LIQUID ADDITIVE INJECTION PUMP
Publication number
20100051716
Publication date
Mar 4, 2010
Frank A. Walton
G05 - CONTROLLING REGULATING
Information
Patent Application
Hydraulic Motor
Publication number
20080148932
Publication date
Jun 26, 2008
ALFA LAVAL MOATTI
Jean-Claude Chrupalla
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
On/off switch for liquid additive injection pump
Publication number
20050005764
Publication date
Jan 13, 2005
Frank A. Walton
G05 - CONTROLLING REGULATING
Information
Patent Application
Piston air engine
Publication number
20030209013
Publication date
Nov 13, 2003
Yu-Chi Tsai
A63 - SPORTS GAMES AMUSEMENTS