ClassID:

136483

F01B17/04 - CPC Classification

Classification description:

Reciprocating-piston machines or engines characterised by use of uniflow principle; Engines Steam engines

Recent Application in this class:
#1
20250223905
2025-07-10

STEAM ENGINE

#2
20240077045
2024-03-07

Biomass energy generator system

#3
20230358184
2023-11-09

SYSTEM, APPARATUS AND METHOD FOR CLEAN, MULTI-ENERGY GENERATION

#4
20220090546
2022-03-24

System, apparatus and method for clean, multi-energy generation

#5
20210310358
2021-10-07

Methods of operating a volumetric expander and a closed cycle plant including a volumetric expander

#6
20210301740
2021-09-30

System, apparatus and method for clean, multi-energy generation

#7
20210280886
2021-09-09

Steam concentration energy converter

#8
20210003081
2021-01-07

System, apparatus and method for clean, multi-energy generation

#9
20200308967
2020-10-01

Volumetric expander, process of starting the volumetric expander, closed-cycle plant, and process for converting thermal energy into electric energy using said plant

#10
20200224535
2020-07-16

Pressure controlled hydraulic engine

#11
20190128152
2019-05-02

High efficiency steam engine and impact-free piston operated valves therefor

#12
20190112992
2019-04-18

System, apparatus and method for clean, multi-energy generation

#13
20190032488
2019-01-31

Heat engine, in particular ORC engine

#14
20180306067
2018-10-25

Cryogenic engine system

#15
20180230963
2018-08-16

Device Which Applies Work To Outside With Environmental Thermal Energy

#16
20180223703
2018-08-09

High efficiency steam engine having improved steam cutoff control

#17
20180202292
2018-07-19

Pressure controlled hydraulic engine

#18
20180186228
2018-07-05

System economically using compressed air as an automobile power source and method thereof

#19
20180135413
2018-05-17

AXIAL PISTON MACHINE

#20
20170292379
2017-10-12

Method for Generating Superheated Steam

#21
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

#22
20160230617
2016-08-11

Rotary valve assembly having rotatable throttle and intake assemblies

#23
20160024924
2016-01-28

Thermal engine using noncombustible fuels for powering transport vehicles and other uses

#24
20150368101
2015-12-24

Aluminum-alkali hydroxide recyclable hydrogen generator

#25
20150233246
2015-08-20

STEAM ENGINE ELECTRICITY PRODUCTION ASSEMBLY

#26
20150211370
2015-07-30

RECIPROCATING HEAT TRANSFER ENGINE AND HEAT TRANSFORMER

#27
20140196601
2014-07-17

Uniflow steam engine

#28
20140190154
2014-07-10

Steam Power Plant and Method for Operating It

#29
20120047894
2012-03-01

System, apparatus and method for clean, multi-energy generation

#30
20110227339
2011-09-22

Biomass Fueled Combined Heat and Power Generator

#31
20110192162
2011-08-11

Method of operating a piston expander of a steam engine

#32
20110083434
2011-04-14

Method and apparatus for achieving higher thermal efficiency in a steam engine or steam expander

#33
20110030548
2011-02-10

Energy conversion devices and systems including the same

#34
20100300100
2010-12-02

High efficiency dual cycle internal combustion steam engine and method

#35
20100218741
2010-09-02

Thermal engine for operation with combustible and noncombustible fuels and electric energy

#36
20100107637
2010-05-06

Waste heat engine

#37
20090293480
2009-12-03

High efficiency multicycle internal combustion engine with waste heat recovery

#38
20090252671
2009-10-08

Aluminum-alkali hydroxide recyclable hydrogen generator

#39
20060266030
2006-11-30

Expansion motor

#40
20060260570
2006-11-23

Crankshaft rotary valve

#41
20060174613
2006-08-10

Valve and auxiliary exhaust system for high efficiency steam engines and compressed gas motors

#42
20060005541
2006-01-12

Water powered engine

#43
20050034456
2005-02-17

Internal combustion engine with steam expansion stroke

#44
17003720
2023-04-18

Valve assembly

#45
16397246
2020-09-15

High efficiency steam engine

#46
16161344
2020-07-28

Reciprocating piston engine

#47
15801710
2019-02-19

Uniformly pressurized thermal energy recovery systems

#48
13532853
2016-04-19

High efficiency steam engine, steam expander and improved valves therefor