ClassID:

136720

F01C21/06 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in groups  -  Heating; Cooling ; Heat insulation

Recent Application in this class:
#1
20250188854
2025-06-12

APPARATUS FOR ENERGY CONVERSION

#2
20250020061
2025-01-16

Seal assembly for a rotary engine housing

#3
20240337212
2024-10-10

Rotor engine side housing and method for producing the same

#4
20240337186
2024-10-10

Rotor assembly with cooling channels separated by ribs for a rotary engine

#5
20240318611
2024-09-26

ROTARY ENGINE WITH SEAL HAVING ELASTOMERIC MEMBER AND SHIELD

#6
20240076986
2024-03-07

Systems and methods for a partial state condenser

#7
20230287793
2023-09-14

Systems and methods for a heat engine system

#8
20230279824
2023-09-07

Rotary heat pump

#9
20230212967
2023-07-06

Muffler

#10
20220381266
2022-12-01

Self-rotation graphene heat-dissipation device for direct-drive electro-hydrostatic actuator

#11
20220282623
2022-09-08

Gas-cycle system for heating or cooling

#12
20220162944
2022-05-26

Compressed air driven inverter generator

#13
20220034226
2022-02-03

Piston machine, modular construction system for a piston machine, and method for producing a piston machine

#14
20220018282
2022-01-20

Rotary vane internal combustion engine

#15
20210381425
2021-12-09

ROTARY VANE INTERNAL COMBUSTION ENGINE

#16
20210340873
2021-11-04

Valve assembly configured with manifold having eutectic plug

#17
20210317742
2021-10-14

Aircraft power plant cooling system

#18
20210277780
2021-09-09

Arc turbine

#19
20210140317
2021-05-13

Rotating heating chamber apparatus and method of use thereof

#20
20210131285
2021-05-06

EXTERNAL GEAR MACHINE

#21
20210108560
2021-04-15

Rotary piston compressor/pump/blower with a ventilation channel

#22
20210017986
2021-01-21

Screw rotor, fluid machine main body, and fluid machine

#23
20200392844
2020-12-17

Conversion Chamber Power Device

#24
20200318547
2020-10-08

Auxiliary power unit with intercooler

#25
20200200009
2020-06-25

Rotary engine with housing having silicon carbide plate

#26
20200158011
2020-05-21

Rotary internal combustion engine with removable subchamber insert

#27
20200123971
2020-04-23

Compound engine system with rotary engine

#28
20200108915
2020-04-09

ENGINE ASSEMBLY WITH POROUS SURFACE OF BOUNDARY LAYER SUCTION

#29
20200056613
2020-02-20

External Lobe Rotary Compressor, Expander, or Engine

#30
20200040813
2020-02-06

Method of manufacturing a rotary engine casing

#31
20190353036
2019-11-21

Rotary Piston Engine with Solid Particle Fuel Capability

#32
20190338779
2019-11-07

Liquid cooling of fixed and orbiting scroll compressor, expander or vacuum pump

#33
20190309626
2019-10-10

Packaged compressor housing

#34
20190308741
2019-10-10

Micro-auxiliary power units

#35
20190226395
2019-07-25

Single chamber multiple independent contour rotary machine

#36
20190055882
2019-02-21

Rotary internal combustion engine with pilot subchamber

#37
20180347457
2018-12-06

Method of manufacturing a rotary engine casing

#38
20180347363
2018-12-06

Circle ellipse engine

#39
20180320520
2018-11-08

APPARATUS, SYSTEMS AND METHODS FOR LUBRICATION OF FLUID DISPLACEMENT MACHINES

#40
20180311410
2018-11-01

Elastase treatment of tissue matrices

#41
20180223698
2018-08-09

Thermal energy recovery device

#42
20180187593
2018-07-05

Rotary internal combustion engine with pilot subchamber

#43
20180080371
2018-03-22

Rotary internal combustion engine with pilot subchamber

#44
20180045110
2018-02-15

Rotary internal combustion engine

#45
20180023392
2018-01-25

Seal assembly for an epitrochoidal rotary engine

#46
20170335762
2017-11-23

Compound engine system with rotary engine

#47
20170328274
2017-11-16

Internal combustion engine with split pilot injection

#48
20170314396
2017-11-02

THERMAL EXCHANGE ENGINE

#49
20170138359
2017-05-18

Piston machine with cooling function

#50
20170130647
2017-05-11

Device for internal cooling and pressurization of rotary engine

#51
20170074160
2017-03-16

Rotary internal combustion engine with variable volumetric compression ratio

#52
20170067395
2017-03-09

Rotary internal combustion engine with pilot subchamber

#53
20170058673
2017-03-02

Rotary machine

#54
20160376021
2016-12-29

Auxiliary power unit with intercooler

#55
20160245174
2016-08-25

Compound engine assembly with inlet lip anti-icing

#56
20160245161
2016-08-25

Compound engine assembly with modulated flow

#57
20160138590
2016-05-19

Gerotor apparatus having outer gerotor with strengthening members

#58
20160114080
2016-04-28

Elastase treatment of tissue matrices

#59
20150337726
2015-11-26

Rotary internal combustion engine with cooled insert

#60
20150315913
2015-11-05

Rotary machine

#61
20150315912
2015-11-05

Rotary machine

#62
20150260090
2015-09-17

Internal cooling passage structure for rotary engine

#63
20150240710
2015-08-27

Rotary internal combustion engine with pilot subchamber

#64
20150240639
2015-08-27

APPARATUS, SYSTEMS AND METHODS FOR LUBRICATION OF FLUID DISPLACEMENT MACHINES

#65
20150233286
2015-08-20

Compound engine system with rotary engine

#66
20150184546
2015-07-02

Rankine cycle device, expansion system and expansion machine

#67
20150152732
2015-06-04

GEROTOR APPARATUS FOR A QUASI-ISOTHERMAL BRAYTON CYCLE ENGINE

#68
20150147215
2015-05-28

Scroll-type fluid machine with grease-lubricated orbiting bearing

#69
20150128895
2015-05-14

Rotary engine with rotary power heads

#70
20150075483
2015-03-19

Rotary internal combustion engine with exhaust purge

#71
20140369877
2014-12-18

Expander for recovery of thermal energy from a fluid

#72
20140308147
2014-10-16

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#73
20140245988
2014-09-04

Rotary internal combustion engine with pilot subchamber

#74
20140224207
2014-08-14

Rotary internal combustion engine with variable volumetric compression ratio

#75
20140209056
2014-07-31

Air-cooled rotary engine

#76
20140147244
2014-05-29

Liquid ring heat engine

#77
20140140878
2014-05-22

COOLING SYSTEMS FOR ROTARY ENGINES

#78
20140069273
2014-03-13

Rotary engine rotor

#79
20130333658
2013-12-19

Cylinder block and manufacturing method thereof

#80
20130315767
2013-11-28

Scroll expander with adiabatic layer

#81
20130309116
2013-11-21

Double rotation type scroll expander and power generation apparatus including same

#82
20130199491
2013-08-08

Rotary internal combustion engine with cooled insert

#83
20130036732
2013-02-14

ROTARY TYPE STIRLING ENGINE FOR GREEN GROWTH

#84
20130028772
2013-01-31

Compound engine system with rotary engine

#85
20130028768
2013-01-31

Rotary internal combustion engine with exhaust purge

#86
20130025567
2013-01-31

Rotary internal combustion engine with pilot subchamber

#87
20130025566
2013-01-31

Rotary internal combustion engine with variable volumetric compression ratio

#88
20130025565
2013-01-31

Multi-rotor rotary engine architecture

#89
20120315174
2012-12-13

Scroll-type fluid machine with grease-lubricated orbiting bearing

#90
20120285155
2012-11-15

Cooling system for gerotor motor

#91
20120240885
2012-09-27

Structurally efficient cooled engine housing for rotary engines

#92
20120090317
2012-04-19

Exhaust heat regeneration system

#93
20120073297
2012-03-29

Apparatus and method of converting a portion of the specific energy of a fluid in gas phase into mechanical work

#94
20120067041
2012-03-22

Heat Engine

#95
20110303184
2011-12-15

Internal combustion engine

#96
20110300012
2011-12-08

Scroll expansion machine with air flow passage around outer periphery of sealing surface

#97
20110217197
2011-09-08

ROTARY COMPRESSOR-EXPANDER SYSTEMS AND ASSOCIATED METHODS OF USE AND MANUFACTURE, INCLUDING TWO-LOBED ROTOR SYSTEMS

#98
20110209480
2011-09-01

Rotary compressor-expander systems and associated methods of use and manufacture

#99
20110209477
2011-09-01

Rotary compressor-expander systems and associated methods of use and manufacture, including integral heat exchanger systems

#100
20110200476
2011-08-18

Sealing system for gerotor apparatus

#101
20110176948
2011-07-21

Semi-hermetic scroll compressors, vacuum pumps, and expanders

#102
20110027113
2011-02-03

Rotary piston device having interwined dual linked and undulating rotating pistons

#103
20100313844
2010-12-16

Rotary piston internal combustion engine

#104
20100266435
2010-10-21

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#105
20100247360
2010-09-30

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#106
20100213786
2010-08-26

Electric machine having rotor and stator configurations

#107
20100192904
2010-08-05

Rotating internal combustion engine

#108
20100074769
2010-03-25

Fluid machine

#109
20100003152
2010-01-07

Gerotor apparatus for a quasi-isothermal brayton cycle engine

#110
20090324432
2009-12-31

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#111
20090317277
2009-12-24

Cooling system for gerotor motor

#112
20090306790
2009-12-10

Elastase treatment of tissue matrices

#113
20090139227
2009-06-04

Rotary heat engine

#114
20090120406
2009-05-14

Rotary piston and cylinder devices

#115
20080247897
2008-10-09

Hydrogen G-cycle rotary internal combustion engine

#116
20080148731
2008-06-26

Heat engines

#117
20080041056
2008-02-21

EXTERNAL HEAT ENGINE OF THE ROTARY VANE TYPE AND COMPRESSOR/EXPANDER

#118
20070224069
2007-09-27

Scroll fluid machine having forced convection generating portion

#119
20070186578
2007-08-16

Air compressor and expander

#120
20060279155
2006-12-14

Electric machine having a high-torque switched reluctance motor

#121
20060239849
2006-10-26

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#122
20060201453
2006-09-14

Piston for an internal combustion engine

#123
20060201452
2006-09-14

Piston for an internal combustion engine

#124
20060174847
2006-08-10

Piston for an internal combustion engine

#125
20050245913
2005-11-03

Surgical pneumatic motor for use with MRI

#126
18512779
2024-12-17

Impingement cooling assembly for an aircraft rotary engine housing

#127
18406652
2025-05-13

Rotary engine and cooling systems thereof

#128
18221645
2024-10-08

Seal assembly for a rotary engine housing

#129
15295985
2017-06-13

Radial piston rotary device with compact gear drive mechanism