with two or more pistons reciprocating one within another

Industry

CPC
F01B7/20

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE F01B7/00Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders

Current Industry

F01B7/20with two or more pistons reciprocating one within another

Industries

Patents Grantslast 30 patents

Information Patent Grant
Piston in piston variable displacement hydraulic device
- Patent number 11,994,121
- Issue date May 28, 2024
- Tonand Inc.
- Antonio Cannata
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine with gas exchange through piston rod
- Patent number 11,686,199
- Issue date Jun 27, 2023
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine with at least one of non-sinusoidal motion and embedded pistons
- Patent number 11,384,639
- Issue date Jul 12, 2022
- UNIVERSITY OF ONTARIO INSTITUTE OF TECHNOLOGY
- Brendan David MacDonald
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine with work stroke and gas exchange through piston rod
- Patent number 11,346,219
- Issue date May 31, 2022
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine with work stroke and gas exchange through piston rod
- Patent number 11,008,864
- Issue date May 18, 2021
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine with work stroke and gas exchange through piston rod
- Patent number 10,968,742
- Issue date Apr 6, 2021
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine with compression and momentum stroke
- Patent number 10,428,655
- Issue date Oct 1, 2019
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gapless piston ring for internal combustion engine
- Patent number 10,280,751
- Issue date May 7, 2019
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Two-stroke internal combustion engine with crankcase lubrication sy...
- Patent number 10,247,065
- Issue date Apr 2, 2019
- Cesar Mercier
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Timed gas exchange in engine using piston as exhaust valve
- Patent number 9,963,968
- Issue date May 8, 2018
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim Yaakoby
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
High efficiency dual cycle internal combustion steam engine and method
- Patent number 8,661,817
- Issue date Mar 4, 2014
- Thermal Power Recovery LLC
- James V. Harmon
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for achieving higher thermal efficiency in a s...
- Patent number 8,448,440
- Issue date May 28, 2013
- Thermal Power Recovery LLC
- Jerry A. Peoples
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
High efficiency multicycle internal combustion engine with waste he...
- Patent number 8,061,140
- Issue date Nov 22, 2011
- Thermal Power Recovery LLC
- James V. Harmon, Sr.
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine
- Patent number 7,337,759
- Issue date Mar 4, 2008
- Yung-ching Chen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Two stroke gasoline engine with rotary valve enabling double acting...
- Patent number 6,629,514
- Issue date Oct 7, 2003
- Richard A. Gale
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Internal combustion engine
- Patent number 5,331,925
- Issue date Jul 26, 1994
- Mikhail Tsepenyuk
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Low-impact air cylinder
- Patent number 5,191,825
- Issue date Mar 9, 1993
- Doben Limited
- David M. Beneteau
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Actuator apparatus with secondary seal motion
- Patent number 5,088,385
- Issue date Feb 18, 1992
- Westinghouse Electric Corp.
- Bobby D. McKee
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Piston engine with dynamic groove bearing internal to piston and is...
- Patent number 4,920,288
- Issue date Apr 24, 1990
- U.S. Philips Corporation
- Ronald den Heijer
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Power conversion device
- Patent number 4,767,294
- Issue date Aug 30, 1988
- Pacific Power Systems, Inc.
- Dean J. Munt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Machine with double acting box piston
- Patent number 4,625,685
- Issue date Dec 2, 1986
- Craig S. Beshore
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cylinder-piston of a rotary compressor
- Patent number 4,553,912
- Issue date Nov 19, 1985
- Marek J. Lassota
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Sealing for variable volume device
- Patent number 4,466,335
- Issue date Aug 21, 1984
- Milburn Stirling Corporation
- William W. Milburn
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hermetic refrigeration rotary motor-compressor
- Patent number 4,431,356
- Issue date Feb 14, 1984
- Marek J. Lassota
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hermetic refrigeration rotary motor-compressor
- Patent number 4,431,387
- Issue date Feb 14, 1984
- Marek J. Lassota
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine
- Patent number 4,359,016
- Issue date Nov 16, 1982
- William V. Bachmann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine
- Patent number 4,285,304
- Issue date Aug 25, 1981
- William V. Bachmann
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Double-yoke balanced compressor
- Patent number 4,248,050
- Issue date Feb 3, 1981
- The United States of America as represented by the Secretary of the Army
- Peter Durenec
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Rotary compressor and process of compressing compressible fluids
- Patent number 4,174,195
- Issue date Nov 13, 1979
- Marek J. Lassota
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rotary compressor and process of compressing compressible fluids
- Patent number 4,135,864
- Issue date Jan 23, 1979
- Marek J. Lassota
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
ENGINE WITH GAS EXCHANGE THROUGH PISTON ROD
- Publication number 20220282620
- Publication date Sep 8, 2022
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim YAAKOBY
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE WITH AT LEAST ONE OF NON-SINUSOIDAL MOTION AND EMBEDDED PISTONS
- Publication number 20200291778
- Publication date Sep 17, 2020
- University of Ontario Institute of Technology
- Brendan David MacDonald
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
POSITIVE DISPLACEMENT HEAT MACHINES WITH SCAVENGING
- Publication number 20200284148
- Publication date Sep 10, 2020
- Alexander BINDER
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE WITH WORK STROKE AND GAS EXCHANGE THROUGH PISTON ROD
- Publication number 20200056480
- Publication date Feb 20, 2020
- Aquarius Engines (A.M.) Ltd.
- Shaul Haim YAAKOBY
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHODS OF PREDICTING MORTALITY RISK BY DETERMINING TELOMERE LENGTH
- Publication number 20190218609
- Publication date Jul 18, 2019
- University of Utah Research Foundation
- Richard Cawthon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method and Apparatus For Achieving Higher Thermal Efficiency In A S...
- Publication number 20110083434
- Publication date Apr 14, 2011
- THERMAL POWER RECOVERY LLC
- Jerry A. Peoples
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
High Efficiency Dual Cycle Internal Combustion Steam Engine and Method
- Publication number 20100300100
- Publication date Dec 2, 2010
- James V. Harmon, SR.
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
High Efficiency Multicycle Internal Combustion Engine With Waste He...
- Publication number 20090293480
- Publication date Dec 3, 2009
- James V. Harmon, SR.
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Drive device using charged air pressure
- Publication number 20090249775
- Publication date Oct 8, 2009
- Eizaburo Murakami
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Tandem cylinder apparatus and method of using same
- Publication number 20040226436
- Publication date Nov 18, 2004
- WOOD GROUP PRESSURE CONTROL CANADA, INC. d/b/a BARBER INDUSTRIES
- James Orr
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

with two or more pistons reciprocating one within another

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Piston in piston variable displacement hydraulic device

Engine with gas exchange through piston rod

Engine with at least one of non-sinusoidal motion and embedded pistons

Engine with work stroke and gas exchange through piston rod

Engine with work stroke and gas exchange through piston rod

Engine with work stroke and gas exchange through piston rod

Engine with compression and momentum stroke

Gapless piston ring for internal combustion engine

Two-stroke internal combustion engine with crankcase lubrication sy...

Timed gas exchange in engine using piston as exhaust valve

High efficiency dual cycle internal combustion steam engine and method

Method and apparatus for achieving higher thermal efficiency in a s...

High efficiency multicycle internal combustion engine with waste he...

Engine

Two stroke gasoline engine with rotary valve enabling double acting...

Internal combustion engine

Low-impact air cylinder

Actuator apparatus with secondary seal motion

Piston engine with dynamic groove bearing internal to piston and is...

Power conversion device

Machine with double acting box piston

Cylinder-piston of a rotary compressor

Sealing for variable volume device

Hermetic refrigeration rotary motor-compressor

Hermetic refrigeration rotary motor-compressor

Internal combustion engine

Internal combustion engine

Double-yoke balanced compressor

Rotary compressor and process of compressing compressible fluids

Rotary compressor and process of compressing compressible fluids

Patents Applicationslast 30 patents

ENGINE WITH GAS EXCHANGE THROUGH PISTON ROD

ENGINE WITH AT LEAST ONE OF NON-SINUSOIDAL MOTION AND EMBEDDED PISTONS

POSITIVE DISPLACEMENT HEAT MACHINES WITH SCAVENGING

ENGINE WITH WORK STROKE AND GAS EXCHANGE THROUGH PISTON ROD

METHODS OF PREDICTING MORTALITY RISK BY DETERMINING TELOMERE LENGTH

Method and Apparatus For Achieving Higher Thermal Efficiency In A S...

High Efficiency Dual Cycle Internal Combustion Steam Engine and Method

High Efficiency Multicycle Internal Combustion Engine With Waste He...

Drive device using charged air pressure

Tandem cylinder apparatus and method of using same