ClassID:

140211

F02G2244/52 - CPC Classification

Classification description:

Machines having two pistons; Double acting piston machines having interconnecting adjacent cylinders constituting a single system, e.g. "Rinia" engines

Recent Application in this class:
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HEAT ENERGY CONVERSION DEVICE

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20230228229
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Constant density heat exchanger and system for energy conversion

#3
20230019495
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Energy conversion apparatus

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Monolithic heat-exchanger bodies

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System and apparatus for energy conversion

#6
20220195959
2022-06-23

Engine apparatus and method for operation

#7
20220034281
2022-02-03

Energy conversion apparatus

#8
20210381467
2021-12-09

Constant density heat exchanger and system for energy conversion

#9
20210062756
2021-03-04

Monolithic heat-exchanger bodies

#10
20200370509
2020-11-26

Monolithic heater bodies

#11
20200370508
2020-11-26

Monolithic combustor bodies

#12
20200370505
2020-11-26

Energy conversion apparatus

#13
20200370504
2020-11-26

Energy conversion apparatus and control system

#14
20200370503
2020-11-26

Constant density heat exchanger and system for energy conversion

#15
20200370446
2020-11-26

Energy conversion apparatus

#16
20190145347
2019-05-16

Stirling cycle and linear-to-rotary mechanism systems, devices, and methods

#17
20180274482
2018-09-27

STIRLING CYCLE MACHINE

#18
20150184614
2015-07-02

Linear cross-head bearing for stirling engine

#19
20150152809
2015-06-04

Annular venturi burner for stirling engine

#20
20150052887
2015-02-26

Stirling cycle machines

#21
20150040751
2015-02-12

Stirling cycle machine

#22
20140182282
2014-07-03

Floating rod seal for a stirling cycle machine

#23
20140000235
2014-01-02

Stirling cycle machine with airlock pressure regulator and burner controls

#24
20130031899
2013-02-07

Stirling machine

#25
20120260648
2012-10-18

Heat engine

#26
20110011078
2011-01-20

Stirling cycle machine

#27
20090056329
2009-03-05

Heat engine

#28
20080120975
2008-05-29

Stirling Thermodynamic cycle rotary thermal machine

#29
20070193266
2007-08-23

MULTI-CYLINDER FREE PISTON STIRLING ENGINE

#30
20060048510
2006-03-09

Double acting thermodynamically resonant free-piston multicylinder stirling system and method