ClassID:

137127

F01K25/06 - CPC Classification

Classification description:

Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using mixtures of different fluids

Sub-classes:
Recent Application in this class:
#1
20260125993
2026-05-07

DEVICE FOR ENERGY CONVERSION

#2
20260063057
2026-03-05

MULTI-STAGE POWER GENERATION USING BYPRODUCTS FOR ENHANCED GENERATION

#3
20260043340
2026-02-12

HEAT ENGINE USING A LIQUID-VAPOR-PHASE-CHANGING MATERIAL

#4
20250215813
2025-07-03

HEAT ENGINE

#5
20240337220
2024-10-10

VARIABLE PRESSURE INVENTORY CONTROL OF CLOSED CYCLE SYSTEM WITH A HIGH PRESSURE TANK AND AN INTERMEDIATE PRESSURE TANK

#6
20240222669
2024-07-04

CO-PRODUCTION OF HYDROGEN, CARBON, AND ELECTRICITY WITH CARBON DIOXIDE CAPTURE

#7
20240200474
2024-06-20

Heat engine

#8
20240171055
2024-05-23

LOW TEMPERATURE MAGNETOHYDRODYNAMICS POWER SYSTEM

#9
20240141807
2024-05-02

Thermoutilizer

#10
20230352712
2023-11-02

Co-production of hydrogen, carbon, and electricity with carbon dioxide capture

#11
20230279787
2023-09-07

Heat engine

#12
20230220788
2023-07-13

Plant and process for energy management

#13
20230203966
2023-06-29

USE OF EXTERNAL AIR FOR CLOSED CYCLE INVENTORY CONTROL

#14
20230131286
2023-04-27

Combined power plant and method for operating combined power plant

#15
20230101306
2023-03-30

STORAGE OF EXCESS HEAT IN COLD SIDE OF HEAT ENGINE

#16
20220403758
2022-12-22

Heat engine

#17
20220389844
2022-12-08

MULTI-STAGE POWER GENERATION USING BYPRODUCTS FOR ENHANCED GENERATION

#18
20220349355
2022-11-03

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#19
20220065136
2022-03-03

Engine

#20
20210355845
2021-11-18

Cryogenic combined cycle power plant

#21
20210317758
2021-10-14

System and method for increasing power output from an organic vapor turbine

#22
20210293157
2021-09-23

Enhanced thermoutilizer

#23
20210180522
2021-06-17

Use of external air for closed cycle inventory control

#24
20210180472
2021-06-17

Storage of excess heat in cold side of heat engine

#25
20210164404
2021-06-03

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#26
20210140684
2021-05-13

Geothermal energy recovery process with selective recirculation

#27
20210115817
2021-04-22

Thermal power cycle

#28
20200277880
2020-09-03

System and Method for Geothermal Power Generation Using a Closed-Loop of Liquid having Low Boiling Temperature

#29
20200080447
2020-03-12

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using kalina cycle and modified multi-effect-distillation system

#30
20200056511
2020-02-20

Cryogenic combined cycle power plant

#31
20200052555
2020-02-13

Working medium property difference power generation system and working medium property difference power generation method that uses the power generation system

#32
20200032703
2020-01-30

SUPERCRITICAL WATER GENERATOR AND REACTOR

#33
20200025042
2020-01-23

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#34
20190376418
2019-12-12

Heat engine

#35
20190331006
2019-10-31

Exploiting condensation heat in heat engines

#36
20190292948
2019-09-26

Combustion power generation apparatus using organic fuel

#37
20190234657
2019-08-01

Modified two-phase cycle

#38
20190162122
2019-05-30

Use of external air for closed cycle inventory control

#39
20190162082
2019-05-30

Storage of excess heat in cold side of heat engine

#40
20190128148
2019-05-02

Method and system for transforming heat into kinetic energy

#41
20190120053
2019-04-25

Apparatus and methods for controlling reciprocating internal combustion engines

#42
20190120052
2019-04-25

Apparatus and methods for controlling reciprocating internal combustion engines

#43
20190072337
2019-03-07

Recovery and re-use of waste energy in industrial facilities

#44
20190072336
2019-03-07

Recovery and re-use of waste energy in industrial facilities

#45
20190049191
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to power using Kalina cycle

#46
20190048751
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using Kalina cycle and modified multi-effect-distillation system

#47
20190003750
2019-01-03

DEVICE FOR ABSORBING THERMAL ENERGY FROM THE SURROUNDING ENVIRONMENT AND USING SAME (GENERATOR)

#48
20190003345
2019-01-03

Thermodynamic engine

#49
20180371957
2018-12-27

Thermodynamic cycle system

#50
20180328235
2018-11-15

Exploiting compression heat in heat engines

#51
20180320986
2018-11-08

Concrete and tube hot thermal exchange and energy store (TXES) including temperature gradient control techniques

#52
20180306067
2018-10-25

Cryogenic engine system

#53
20180299170
2018-10-18

Evaporative chilling systems and methods using a selective transfer membrane

#54
20180299119
2018-10-18

Direct steam generation, electrical power generator, apparatus and method

#55
20180274392
2018-09-27

Thermal energy recovery device

#56
20180258799
2018-09-13

A MULTISTAGE EVAPORATION ORGANIC RANKINE CYCLE

#57
20180258334
2018-09-13

Compositions of chloro-trifluoropropene and hexafluorobutene

#58
20180245788
2018-08-30

ORC for transforming waste heat from a heat source into mechanical energy and compressor installation making use of such an ORC

#59
20180223666
2018-08-09

Expansion system

#60
20180209307
2018-07-26

Control of ORC processes by injecting unevaporated fluid

#61
20180202721
2018-07-19

Recovery and re-use of waste energy in industrial facilities

#62
20180202323
2018-07-19

Systems and methods for generating steam by creating shockwaves in a supersonic gaseous vortex

#63
20180187627
2018-07-05

Use of external air for closed cycle inventory control

#64
20180187572
2018-07-05

Thermocline arrays

#65
20180179917
2018-06-28

Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank

#66
20180179916
2018-06-28

Storage of excess heat in cold side of heat engine

#67
20180179914
2018-06-28

Use of regenerator in thermodynamic cycle system

#68
20180156087
2018-06-07

Filter arrangements; components; and, methods

#69
20180094866
2018-04-05

Systems for recovery and re-use of waste energy in hydrocracking-based configuration for integrated crude oil refining and aromatics complex

#70
20180094865
2018-04-05

Systems for recovery and re-use of waste energy in hydrocracking-based configuration for integrated crude oil refining and aromatics complex

#71
20180094864
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining and aromatics complex

#72
20180094863
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining facility and aromatics complex

#73
20180094862
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining facility and aromatics complex through simultaneous intra-plant integration and plants' thermal coupling

#74
20180094861
2018-04-05

Recovery and re-use of waste energy in industrial facilities

#75
20180073802
2018-03-15

Method for energy storage with co-production of peaking power and liquefied natural gas

#76
20180030857
2018-02-01

Method and device for rapid oil heating for oil-lubricated expansion machines

#77
20170254315
2017-09-07

Enhanced thermoutilizer

#78
20170209815
2017-07-27

Method for sequestering heavy metal particulates using HO, CO, O, and a source of particulates

#79
20170152763
2017-06-01

REACTOR

#80
20170082374
2017-03-23

Recovery and re-use of waste energy in industrial facilities

#81
20170082373
2017-03-23

Recovery and re-use of waste energy in industrial facilities

#82
20170059261
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#83
20170059260
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#84
20170059259
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#85
20170058720
2017-03-02

Power generation from waste heat in integrated crude oil refining, aromatics, and utilities facilities

#86
20170058718
2017-03-02

Power generation using independent triple organic rankine cycles from waste heat in integrated crude oil refining and aromatics facilities

#87
20170058703
2017-03-02

Power generation from waste heat in integrated hydrocracking and diesel hydrotreating facilities

#88
20170058208
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#89
20170058207
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#90
20170058206
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#91
20160376933
2016-12-29

Electricity-water co-generation system and method

#92
20160297304
2016-10-13

Air start steam engine

#93
20160290172
2016-10-06

High-pressure side separation of liquid lubricant for lubricating volumetrically working expansion machines

#94
20160273529
2016-09-22

COMPRESSED AIR ENERGY STORAGE SYSTEM UTILIZING TWO-PHASE FLOW TO FACILITATE HEAT EXCHANGE

#95
20160250579
2016-09-01

Device for oil separation and removal from an organic working fluid

#96
20160222313
2016-08-04

Working fluid for a steam cycle process

#97
20160169055
2016-06-16

Lubrication of expansion machines

#98
20160108761
2016-04-21

Concrete and tube hot thermal exchange and energy store (TXES) including temperature gradient control techniques

#99
20160076799
2016-03-17

Falling film evaporator for mixed refrigerants

#100
20160017761
2016-01-21

Waste heat recovery apparatus

#101
20160010512
2016-01-14

Mass management system for a supercritical working fluid circuit

#102
20150377078
2015-12-31

BOILER OPERATION METHOD AND BOILER

#103
20150330262
2015-11-19

Thermal energy recovery device

#104
20150275705
2015-10-01

Methods for power generation from HO, CO, O and a carbon feed stock

#105
20150259615
2015-09-17

Fuel generation using high-voltage electric fields methods

#106
20150240668
2015-08-27

Working medium mixture for steam engines

#107
20150226093
2015-08-13

Cryogenic engine system

#108
20150224467
2015-08-13

Methods for generating hydrogen gas using plasma sources

#109
20150210930
2015-07-30

Fuel generation using high-voltage electric fields methods

#110
20150209693
2015-07-30

Method for sequestering heavy metal particulates using HO, CO, O, and a source of particulates

#111
20150176436
2015-06-25

Mixing assembly and method for combining at least two working fluids

#112
20150159517
2015-06-11

Heat utilization in ORC systems

#113
20150135711
2015-05-21

CIRCULATORY OSMOTIC PRESSURE ELECTRICITY GENERATION SYSTEM

#114
20150101292
2015-04-16

Filter arrangements; components; and, methods

#115
20150068206
2015-03-12

Kinematically independent, thermo-hydro-dynamic turbocompound generator

#116
20150054291
2015-02-26

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#117
20150033737
2015-02-05

Device and method for utilizing the waste heat of an internal combustion engine, in particular for utilizing the waste heat of a vehicle engine

#118
20140352308
2014-12-04

System and method of waste heat recovery

#119
20140345274
2014-11-27

Waste heat recovery system

#120
20140223911
2014-08-14

Steam power cycle system

#121
20140208749
2014-07-31

Carbon dioxide recovery method and carbon-dioxide-recovery-type steam power generation system

#122
20140202152
2014-07-24

Cold state engine for utilising air thermal energy to output work, refrigeration and water

#123
20140159369
2014-06-12

Power generation apparatus including lubricant separation member

#124
20140060051
2014-03-06

THERMOELECTRIC ENERGY STORAGE SYSTEM

#125
20140060049
2014-03-06

Heat engine shuttle pump system and method

#126
20140053594
2014-02-27

THERMALLY ACTIVATED PRESSURE BOOSTER FOR HEAT PUMPING AND POWER GENERATION

#127
20140050560
2014-02-20

Lubrication of volumetrically operating expansion machines

#128
20140026575
2014-01-30

APPARATUS AND PROCESS FOR GENERATION OF ENERGY BY ORGANIC RANKINE CYCLE

#129
20140026573
2014-01-30

HYBRID THERMAL CYCLE WITH ENHANCED EFFICIENCY

#130
20140026549
2014-01-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#131
20130340434
2013-12-26

Hybrid thermal cycle with independent refrigeration loop

#132
20130312414
2013-11-28

HYBRID THERMAL CYCLE WITH LOW PRESSURE BOILER

#133
20130305721
2013-11-21

Systems and methods for low temperature heat sources with relatively high temperature cooling media

#134
20130276447
2013-10-24

Device for converting heat energy into mechanical energy

#135
20130263594
2013-10-10

Arrangement and method for converting thermal energy to mechanical energy

#136
20130241204
2013-09-19

Air start steam engine

#137
20130239574
2013-09-19

Method for converting energy, increasing enthalpy and raising the coefficient of compressibility

#138
20130232929
2013-09-12

Crankcase ventilation filter arrangments; components; and, methods

#139
20130231789
2013-09-05

Adjustable systems and methods for increasing the efficiency of a kalina cycle

#140
20130227948
2013-09-05

METHOD AND SYSTEM FOR CONVERTING THERMAL POWER, DELIVERED FROM A VARIABLE TEMPERATURE HEAT SOURCE, INTO MECHANICAL POWER

#141
20130213040
2013-08-22

Method and system for generating power from low- and mid- temperature heat sources using supercritical rankine cycles with zeotropic mixtures

#142
20130174551
2013-07-11

High gliding fluid power generation system with fluid component separation and multiple condensers

#143
20130167534
2013-07-04

Method, heat accumulator and heat accumulator system for heating and cooling a working fluid

#144
20130133328
2013-05-30

Thermal power cycle

#145
20130108480
2013-05-02

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#146
20130104533
2013-05-02

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#147
20130074499
2013-03-28

HYBRID THERMAL CYCLE WITH IMBEDDED REFRIGERATION

#148
20130047597
2013-02-28

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#149
20130000302
2013-01-03

Thermodynamic cycle

#150
20120317983
2012-12-20

Systems and methods extracting useable energy from low temperature sources

#151
20120312009
2012-12-13

EXPANDER LUBRICATION IN VAPOUR POWER SYSTEMS

#152
20120297772
2012-11-29

SYSTEMS AND METHODS FOR EFFICIENT TWO-PHASE HEAT TRANSFER IN COMPRESSED-AIR ENERGY STORAGE SYSTEMS

#153
20120291989
2012-11-22

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#154
20120286522
2012-11-15

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#155
20120279220
2012-11-08

Hybrid imbedded combined cycle

#156
20120267893
2012-10-25

Electricity generation using electromagnetic radiation

#157
20120255292
2012-10-11

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#158
20120237382
2012-09-20

Screw expander system

#159
20120192563
2012-08-02

Heat recovery system series arrangements

#160
20120096865
2012-04-26

Carbon dioxide recovery method and carbon-dioxide-recovery-type steam power generation system

#161
20120096863
2012-04-26

Carbon dioxide recovery method and carbon-dioxide-recovery-type steam power generation system

#162
20120090314
2012-04-19

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#163
20120067049
2012-03-22

SYSTEMS AND METHODS FOR POWER GENERATION FROM MULTIPLE HEAT SOURCES USING CUSTOMIZED WORKING FLUIDS

#164
20120067036
2012-03-22

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#165
20120019009
2012-01-26

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#166
20120007368
2012-01-12

PRESSURE REDUCTION PLANT FOR A GAS OR GAS MIXTURE

#167
20120006022
2012-01-12

Organic rankine cycle with flooded expansion and internal regeneration

#168
20110314800
2011-12-29

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#169
20110203278
2011-08-25

Auto optimizing control system for organic rankine cycle plants

#170
20110178647
2011-07-21

Systems and methods for increasing the efficiency of a kalina cycle

#171
20110167826
2011-07-14

Vapor power cycle apparatus

#172
20110162366
2011-07-07

Working fluid comprising a fluorinated ketone for an ORC process, and ORC apparatus

#173
20110133113
2011-06-09

"MALONE" ENGINE WITH CARBON DIOXIDE IN LIQUID SOLUTION

#174
20110115223
2011-05-19

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#175
20110104620
2011-05-05

Combustion system and method

#176
20110072819
2011-03-31

HEAT RECOVERY SYSTEM BASED ON THE USE OF A STABILIZED ORGANIC RANKINE FLUID, AND RELATED PROCESSES AND DEVICES

#177
20110061575
2011-03-17

Combustion control system and method using spatial feedback and acoustic forcings of jets

#178
20110051880
2011-03-03

High Efficiency Power Plants

#179
20110047958
2011-03-03

Turbine generator system

#180
20110041502
2011-02-24

Power plant using organic working fluids

#181
20110030552
2011-02-10

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#182
20110030373
2011-02-10

Air start steam engine

#183
20110030359
2011-02-10

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#184
20110023977
2011-02-03

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#185
20110023488
2011-02-03

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#186
20100329903
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#187
20100326075
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#188
20100319346
2010-12-23

SYSTEM FOR RECOVERING WASTE HEAT

#189
20100307154
2010-12-09

CLOSED THERMODYNAMIC SYSTEM FOR PRODUCING ELECTRIC POWER

#190
20100218513
2010-09-02

Thermally activated high efficiency heat pump

#191
20100212304
2010-08-26

Driving device

#192
20100194111
2010-08-05

Combined heat power system

#193
20100192575
2010-08-05

PROCESS AND SYSTEMS

#194
20100156110
2010-06-24

Method and device for converting thermal energy into electricity, high potential heat and cold

#195
20100146973
2010-06-17

Power systems and methods for high or medium initial temperature heat sources in medium and small scale power plants

#196
20100139274
2010-06-10

Chloro- and bromo-fluoro olefin compounds useful as organic rankine cycle working fluids

#197
20100126172
2010-05-27

Power generator using an organic rankine cycle drive with refrigerant mixtures and low waste heat exhaust as a heat source

#198
20100122533
2010-05-20

Method and system for converting waste heat from cement plant into a usable form of energy

#199
20100077752
2010-04-01

Methods and/or systems for magnetobaric assisted generation of power from low temperature heat

#200
20100058762
2010-03-11

Method for production of mixed vapour

#201
20100034684
2010-02-11

METHOD FOR LUBRICATING SCREW EXPANDERS AND SYSTEM FOR CONTROLLING LUBRICATION

#202
20090293479
2009-12-03

Thermodynamic cycle with power unit and venturi and a method of producing a useful effect therewith

#203
20090249780
2009-10-08

Conversion of heat into mechanical energy by means of a jet compressor

#204
20090211242
2009-08-27

Engines Driven by Liquefied Gas

#205
20090205337
2009-08-20

Method and installation for converting thermal energy from fluids into mechanical energy

#206
20090205336
2009-08-20

Method and device for the transfer of heat from a heat source to a thermodynamic cycle with a working medium of at least two substances with non-isothermal evaporation and condensation

#207
20090188253
2009-07-30

Expander lubrication in vapour power systems

#208
20090151250
2009-06-18

Efficiency of gasification processes

#209
20090139234
2009-06-04

Carbon dioxide as fuel for power generation and sequestration system

#210
20090071111
2009-03-19

Crankcase ventilation filter arrangments; components; and, methods

#211
20090056333
2009-03-05

Working Fluid For An Orc Process, Orc Process and Orc Apparatus

#212
20090056328
2009-03-05

Micro generator system

#213
20090000848
2009-01-01

Air start steam engine

#214
20080289336
2008-11-27

Apparatus and method for converting heat energy to mechanical energy

#215
20080190106
2008-08-14

Configurations and methods for power generation with integrated LNG regasification

#216
20080141673
2008-06-19

System and method for power generation in Rankine cycle

#217
20080134680
2008-06-12

Method of transforming heat energy to mechanical energy in a low-pressure expansion device

#218
20080128188
2008-06-05

Method and device for generating mechanical energy

#219
20080060357
2008-03-13

Organic working fluids

#220
20070234750
2007-10-11

System and apparatus for complete condensation of multi-component working fluids

#221
20070175212
2007-08-02

Fluid machine for rankine cycle

#222
20070119175
2007-05-31

Power generation methods and systems

#223
20070056284
2007-03-15

System and method for utilization of waste heat from internal combustion engines

#224
20060277911
2006-12-14

Gland leakage seal system

#225
20060196187
2006-09-07

Organic working fluids

#226
20060010868
2006-01-19

Method of converting energy

#227
20050172623
2005-08-11

Rakh cycle engine

#228
20050066661
2005-03-31

Process and apparatus for boiling and vaporizing multi-component fluids

#229
18397037
2024-12-31

Systems and methods to utilize heat carriers in conversion of thermal energy

#230
17955705
2023-10-31

Ericsson cycle turbine engine

#231
14715535
2015-09-29

Geothermal energy generator system

#232
14658617
2016-07-19

Apparatus, system, and methods for mechanical energy regeneration