Patents-Review.com
ClassID:

136450 ⎘

F01B11/007 - CPC Classification

Classification description:

Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type in which the movement in only one direction is obtained by a single acting piston motor, e.g. with actuation in the other direction by spring means

Sub-classes:
Recent Application in this class:
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High-efficiency linear generator

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Thermodynamic cycle process performing transfer between mechanical and heat energies

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20210079838
2021-03-18

High-efficiency linear generator

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20190345871
2019-11-14

Free-piston linear apparatus

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20190178157
2019-06-13

High-efficiency linear combustion engine

 #7
20190085696
2019-03-21

Free-piston device and method for operating a free-piston device

 #8
20190085695
2019-03-21

Free piston device and method for operating a free piston device

 #9
20190085694
2019-03-21

Free piston device

 #10
20190085693
2019-03-21

Free piston apparatus

 #11
20180298814
2018-10-18

High-efficiency linear combustion engine

 #12
20180186228
2018-07-05

System economically using compressed air as an automobile power source and method thereof

 #13
20180179918
2018-06-28

Free piston device

 #14
20170241331
2017-08-24

High-efficiency linear combustion engine

 #15
20170093253
2017-03-30

Systems and methods for generating power using a combustion source

 #16
20170023280
2017-01-26

Linear expander and cryogenic refrigeration system including the same

 #17
20160341192
2016-11-24

AN AIR-DRIVEN HYDRAULIC PUMP

 #18
20160090908
2016-03-31

High-efficiency linear combustion engine

 #19
20150322875
2015-11-12

Sliding engine with shaft on one or both ends for double or single ended combustion

 #20
20150141904
2015-05-21

COMPRESSED GAS MOTOR FOR OPERATION OF A LAVAGE SYSTEM

 #21
20140311334
2014-10-23

Piston pump and motor

 #22
20140265348
2014-09-18

Instant entropy system

 #23
20130180396
2013-07-18

Compressed gas motor and lavage system

 #24
20120318239
2012-12-20

Free piston engines with single hydraulic piston actuator and methods

 #25
20120235517
2012-09-20

High-efficiency linear combustion engine

 #26
20120210974
2012-08-23

Gas-powered tool motor

 #27
20120125291
2012-05-24

High-efficiency linear combustion engine

 #28
20120112469
2012-05-10

Turbocompound free piston linear alternator

 #29
20120112468
2012-05-10

Opposed free piston linear alternator

 #30
20120112467
2012-05-10

Free piston linear alternator utilizing opposed pistons with spring return

 #31
20100300097
2010-12-02

HEAT ENGINE

 #32
20100162998
2010-07-01

Free piston assembly and method for controlling a free piston assembly

 #33
20100107604
2010-05-06

AMMONIA GENERATOR, VEHICLE AND METHOD FOR GENERATING AMMONIA

 #34
20100006059
2010-01-14

Pressure engine, in particular, an internal combustion engine, with an annular structure

 #35
20090193805
2009-08-06

Stirling cycle engine

 #36
20090101005
2009-04-23

FREE-PISTON DEVICE AND METHOD FOR OPERATING A FREE-PISTON DEVICE

 #37
20060242940
2006-11-02

ROTARY ENGINE USING TRADITIONAL PISTONS OF FLEXIBLE MOTION