F01B21/04 - CPC Classification Index

ClassID:

136489 ⎘

F01B21/04 - CPC Classification

Classification description:

Combinations of two or more machines or engines the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine

Recent Application in this class:

20220120184

2022-04-21

EXTERNAL COMPRESSION ENGINE

20190242299

2019-08-08

Split-cycle engine with a variable displacement compressor and a rotary motor

20180171801

2018-06-21

Device for obtaining mechanical work from a non-thermal energy source (variants)

20180056501

2018-03-01

Attitude-supporting apparatus of wearable robot and attitude-supporting method using the same

20170130582

2017-05-11

ZERO EMISSION POWER PLANT WITH CO2 WASTE UTILIZATION

20160003044

2016-01-07

Internal detonation engine, hybrid engines including the same, and methods of making and using the same

20150033938

2015-02-05

Combined electric and hydraulic motor

20150027123

2015-01-29

Machine for generating power by harnessing highly viscous fluids

20140338358

2014-11-20

Internal detonation engine, hybrid engines including the same, and methods of making and using the same

#10

20140250891

2014-09-11

Engine generating energy through physical and chemical energy conversions of a compressed gaseous fuel

#11

20140165569

2014-06-19

ZERO EMISSION POWER PLANT WITH CO2 WASTE UTILIZATION

#12

20110232287

2011-09-29

Driving device