F01K21/00 - CPC Classification Index

ClassID:

137094 ⎘

F01K21/00 - CPC Classification

Classification description:

Steam engine plants not otherwise provided for

Sub-classes:

F01K21/005 » {using mixtures of liquid and steam or evaporation of a liquid by expansion} 41
F01K21/02 » with steam-generation in engine-cylinders 19
F01K21/04 » using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas 64
F01K21/06 » Treating live steam, other than thermo-dynamically, e.g. for fighting deposits in engine 17

Recent Application in this class:

20240058850

2024-02-22

WASTE TREATMENT SYSTEM AND WASTE TREATMENT METHOD

20240027065

2024-01-25

PLASTIC-POWERED POWER GENERATOR

20220397042

2022-12-15

Thermal power plant

20220357033

2022-11-10

Plastic-powered power generator

20220214042

2022-07-07

Plastic-powered power generator

20220149697

2022-05-12

AUTOMATIC WINS AND PHOTOVOLTAIC ENERGY STORAGE SYSTEM FOR UNINTERRUPTED ELECTRICITY GENERATION AND ENERGY AUTONOMY

20210404349

2021-12-30

660MW supercritical unit bypass control system and control method thereof

20210317758

2021-10-14

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

20210293409

2021-09-23

Plastic-powered power generator

#10

20210180474

2021-06-17

Turbostirling Engine

#11

20210175529

2021-06-10

Hydrogen and electric gas station

#12

20210146410

2021-05-20

Waste treatment system and waste treatment method

#13

20210054766

2021-02-25

Devices, systems, and methods for generating power

#14

20200149433

2020-05-14

Exhaust steam waste heat recovering and supplying system of air-cooling units in large thermal power plants

#15

20190145286

2019-05-16

METHOD FOR THERMOELECTRIC ENERGY GENERATION

#16

20180195418

2018-07-12

Method and apparatus bottoming cycle working fluid enthalpy control in a waste heat recovery apparatus

#17

20180142581

2018-05-24

Supercritical COgeneration system for parallel recuperative type

#18

20170191752

2017-07-06

Air purification units

#19

20160186746

2016-06-30

Liquid pump and rankine cycle apparatus

#20

20160146517

2016-05-26

HEAT RECOVERY AND UPGRADING METHOD AND COMPRESSOR FOR USING IN SAID METHOD

#21

20160146058

2016-05-26

Method for energy saving

#22

20160040560

2016-02-11

Power Generation by Converting Low Grade Thermal Energy to Hydropower

#23

20150034568

2015-02-05

SYSTEM THAT PROVIDES ECONOMICAL PURIFICATION OF WASTEWATER AND RECIRCULATION OF POTABLE WATER AND GENERATION OF ELECTRICITY

#24

20140373545

2014-12-25

Systems and methods for reducing parasitic losses in closed loop systems

#25

20140373543

2014-12-25

Electric induction fluid heaters for fluids utilized in turbine-driven electric generator systems

#26

20140309798

2014-10-16

Method and device for controlling a temperature of steam for a steam power plant

#27

20140298808

2014-10-09

Turbomachine system with direct header steam injection, related control system and program product

#28

20140144137

2014-05-29

STEAM GENERATION SYSTEM FOR THERMAL AND RELATED POWER APPLICATIONS USING STOICHIOMETRIC OXYHYDROGEN FUEL STOCK

#29

20140117670

2014-05-01

System and method for generating electric power

#30

20140033710

2014-02-06

RANKINE CYCLE SYSTEM

#31

20140000258

2014-01-02

Steam turbine facility

#32

20130305719

2013-11-21

HIGH-TEMPERATURE STEAM TURBINE POWER PLANT WITH DOUBLE REHEAT

#33

20130239573

2013-09-19

Method for operating a combined cycle power plant and plant to carry out such a method

#34

20130205783

2013-08-15

STEAM TURBINE

#35

20130205780

2013-08-15

System for thermoelectric energy generation using natural gas

#36

20130167533

2013-07-04

Waste heat steam generator

#37

20120285189

2012-11-15

Sunlight heat utilized steam absorption chiller and sunlight heat utilization system

#38

20120072045

2012-03-22

Method and device for controlling the temperature of steam for a steam power plant

#39

20100293949

2010-11-25

Apparatus for recovering energy from water

#40

20090255253

2009-10-15

Heat removal systems and methods for thermodynamic engines

#41

20090223222

2009-09-10

External combustion engine

#42

20090199559

2009-08-13

External combustion engine

#43

20080006040

2008-01-10

Heat-activated heat-pump systems including integrated expander/compressor and regenerator

#44

20070220888

2007-09-27

External combustion engine

#45

20070220881

2007-09-27

External combustion engine

#46

20070214783

2007-09-20

Steam engine

#47

20060201157

2006-09-14

Arc-hydrolysis steam generator apparatus and method

#48

20060112694

2006-06-01

Two stroke steam-to-vacuum engine

#49

20060037320

2006-02-23

Process and device for utilizing waste heat

#50

20060026962

2006-02-09

Nuclear power plant with universal Carnot cycle turbine

#51

20060010865

2006-01-19

Produced water disposal method

#52

20060005969

2006-01-12

General method for disposal of produced water

#53

20050279098

2005-12-22

Method of power generation for airborne vehicles

#54

20050193737

2005-09-08

Steam engine

#55

20050178124

2005-08-18

Method and apparatus for a waste heat recycling thermal power plant

#56

20050150227

2005-07-14

Rankine cycle and steam power plant utilizing the same

#57

20050072381

2005-04-07

Steam generator (Mk-IX) utilizing a hydrogen/oxygen gas-no air combustion process

#58

14658617

2016-07-19

Apparatus, system, and methods for mechanical energy regeneration