ClassID:

136668

F01C11/004 - CPC Classification

Classification description:

Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle and of complementary function, e.g. internal combustion engine with supercharger

Recent Application in this class:
#1
20250382912
2025-12-18

ROTARY ENGINE, PARTS THEREOF, AND METHODS

#2
20250264023
2025-08-21

INTERNAL COMBUSTION ENGINE

#3
20250179956
2025-06-05

ROTARY ENGINE, PARTS THEREOF, AND METHODS

#4
20240344480
2024-10-17

Rotary engine, parts thereof, and methods

#5
20230092617
2023-03-23

Rotary engine, parts thereof, and methods

#6
20220282623
2022-09-08

Gas-cycle system for heating or cooling

#7
20210040885
2021-02-11

Rotary engine, parts thereof, and methods

#8
20190112974
2019-04-18

Toroidal engine

#9
20190093480
2019-03-28

Fixed displacement turbine engine

#10
20170211389
2017-07-27

Rotary piston and cylinder devices

#11
20170211387
2017-07-27

Rotary piston and cylinder device

#12
20170037726
2017-02-09

Intake device, power generator, external combustion system using intake device and power generator, internal combustion system using intake device and power generator, and air hybrid power generation system using intake device and power generator

#13
20170009581
2017-01-12

Fixed displacement turbine engine

#14
20160138590
2016-05-19

Gerotor apparatus having outer gerotor with strengthening members

#15
20160003045
2016-01-07

Integrated Volumetric Energy Recovery and Compression Device

#16
20150322790
2015-11-12

Rotation device and rotor compressor and fluid motor having the same

#17
20150300174
2015-10-22

Unitary pump and turbine energy exchanger

#18
20150292328
2015-10-15

Rotary internal combustion engine

#19
20140369877
2014-12-18

Expander for recovery of thermal energy from a fluid

#20
20140325986
2014-11-06

Rotary engine and process

#21
20140308147
2014-10-16

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#22
20140299094
2014-10-09

Rotary engine and rotary unit thereof

#23
20140238337
2014-08-28

Internal combustion engine

#24
20120240885
2012-09-27

Structurally efficient cooled engine housing for rotary engines

#25
20120148434
2012-06-14

Scroll Fluid Machine

#26
20120031369
2012-02-09

Separate-type rotary engine

#27
20110302954
2011-12-15

Rotary-type fluid machine and refrigeration cycle apparatus

#28
20110259009
2011-10-27

Closed loop scroll expander

#29
20110236240
2011-09-29

Multifunction rotary machine with deformable rhomb

#30
20110200476
2011-08-18

Sealing system for gerotor apparatus

#31
20110083637
2011-04-14

Rotary double engine

#32
20100269782
2010-10-28

Augmenter for compound compression engine

#33
20100266435
2010-10-21

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#34
20100251757
2010-10-07

Refrigeration cycle apparatus and fluid machine used for the same

#35
20100236275
2010-09-23

Fluid machine and refrigeration cycle apparatus

#36
20100223948
2010-09-09

Scroll expander and refrigeration cycle apparatus

#37
20100213786
2010-08-26

Electric machine having rotor and stator configurations

#38
20100202909
2010-08-12

Fluid machine and refrigeration cycle apparatus

#39
20100192904
2010-08-05

Rotating internal combustion engine

#40
20100162750
2010-07-01

Expander-compressor unit and refrigeration cycle apparatus having the same

#41
20100154420
2010-06-24

Rotary displacement steam engine

#42
20100116241
2010-05-13

Split cycle variable capacity rotary spark ignition engine

#43
20100074769
2010-03-25

Fluid machine

#44
20100061873
2010-03-11

Bi-directional converter between pressure and rotational force

#45
20100058755
2010-03-11

Closed loop scroll expander engine

#46
20100021331
2010-01-28

INTERNAL COMBUSTION ENGINE

#47
20100014999
2010-01-21

Scroll-type expansion machine

#48
20100012077
2010-01-21

Internal combustion two stroke rotary engine system

#49
20100003152
2010-01-07

Gerotor apparatus for a quasi-isothermal brayton cycle engine

#50
20090308342
2009-12-17

ROTARY ENGINE WITH CYLINDERS OF DIFFERENT DESIGN AND VOLUME

#51
20090297382
2009-12-03

Expander and expander-compressor unit

#52
20090255506
2009-10-15

Rotary internal combustion engine

#53
20090155111
2009-06-18

Rotary-type fluid machine and refrigeration cycle apparatus

#54
20090148327
2009-06-11

Rotary positive displacement combustor engine

#55
20090120406
2009-05-14

Rotary piston and cylinder devices

#56
20090064709
2009-03-12

Dual compressor air conditioning system with oil level regulation

#57
20090060768
2009-03-05

Scroll Fluid Machine

#58
20090047160
2009-02-19

Rotary scissors action machine

#59
20090035160
2009-02-05

Hermetic compressor and refrigeration cycle device having the same

#60
20090031753
2009-02-05

COMPRESSOR

#61
20090028739
2009-01-29

RING TURBO-PISTON ENGINE AND RING TURBO-PISTON SUPERCHARGER

#62
20090028735
2009-01-29

Vane-cell machine and method for waste heat utilization, using vane-cell machines

#63
20090007590
2009-01-08

Refrigeration System

#64
20080314041
2008-12-25

Heat engine

#65
20080310983
2008-12-18

Expander

#66
20080307797
2008-12-18

Positive displacement expander and fluid machinery

#67
20080298992
2008-12-04

Refrigeration system including a scroll expander

#68
20080264379
2008-10-30

Rotary Engine

#69
20080210194
2008-09-04

Orbiting Piston Machines

#70
20080196688
2008-08-21

Internal combustion engine

#71
20080184706
2008-08-07

Refrigerating apparatus and fluid machine therefor

#72
20080072592
2008-03-27

Stirling cycle engine

#73
20080044300
2008-02-21

Air pump

#74
20070280844
2007-12-06

Rotary Machine and Internal Combustion Engine

#75
20070277524
2007-12-06

Engine And An Apparatus For Providing Forced Aspiration To An Engine

#76
20070277522
2007-12-06

Brayton Cycle Device And Exhaust Heat Energy Recovery Device For Internal Combustion Engine

#77
20070271951
2007-11-29

Compressor/expander of the rotating vane type

#78
20070264147
2007-11-15

Method of Transforming Energy in a Rotary Screw Machine of Volumetric Type

#79
20070251245
2007-11-01

Refrigeration apparatus with expander control for improved coefficient of performance

#80
20070237665
2007-10-11

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#81
20070186578
2007-08-16

Air compressor and expander

#82
20070074533
2007-04-05

Thermodynamic systems operating with near-isothermal compression and expansion cycles

#83
20070062482
2007-03-22

Orbital engine/pump with multiple toroidal cylinders

#84
20070051087
2007-03-08

Gas turbine engine system

#85
20070036667
2007-02-15

Rotary piston heat engine system

#86
20060279155
2006-12-14

Electric machine having a high-torque switched reluctance motor

#87
20060260308
2006-11-23

Toroidal intersecting vane gas management system

#88
20060254309
2006-11-16

Fluid machine

#89
20060242960
2006-11-02

Hybrid engine

#90
20060239849
2006-10-26

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#91
20060219227
2006-10-05

Toroidal intersecting vane supercharger

#92
20060213218
2006-09-28

Fluid pump having expansion device and rankine cycle using the same

#93
20060204392
2006-09-14

Rotary machine

#94
20060196464
2006-09-07

External combustion rotary piston engine

#95
20060150946
2006-07-13

Rotary piston engine

#96
20060124101
2006-06-15

Rotary vane engine and thermodynamic cycle

#97
20060120895
2006-06-08

Rotary positive displacement engine

#98
20060107681
2006-05-25

Refrigerating apparatus and fluid machine therefor

#99
20060101800
2006-05-18

Gas turbine engine system

#100
20060065232
2006-03-30

Engine and method of generating power

#101
20050260091
2005-11-24

Rotary device for use in an engine

#102
20050223734
2005-10-13

Screw compressor-expander machine

#103
20050172622
2005-08-11

Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander

#104
20050166889
2005-08-04

Positive displacement rotary device and method of use

#105
20050126175
2005-06-16

Integrated microturbine system

#106
20050081818
2005-04-21

Geroter type internal combustion engine

#107
20050072398
2005-04-07

Positive displacement turbine engine

#108
20050000214
2005-01-06

Rotary positive displacement machine

#109
16745184
2020-11-24

Rotary engine, parts thereof, and methods