ClassID:

136481

F01B17/025 - CPC Classification

Classification description:

Reciprocating-piston machines or engines characterised by use of uniflow principle; Engines using liquid air

Recent Application in this class:
#1
20230407747
2023-12-21

COMPRESSED-AIR ENGINE WITH INTEGRATED ACTIVE CHAMBER AND ACTIVE DISTRIBUTION WITH BALANCED VALVE

#2
20220120184
2022-04-21

EXTERNAL COMPRESSION ENGINE

#3
20200224535
2020-07-16

Pressure controlled hydraulic engine

#4
20190128253
2019-05-02

Systems and methods for running an air compressor using a permanent magnet generator

#5
20190120053
2019-04-25

Apparatus and methods for controlling reciprocating internal combustion engines

#6
20190120052
2019-04-25

Apparatus and methods for controlling reciprocating internal combustion engines

#7
20180258767
2018-09-13

Energy source supply systems, energy source supply devices, and related methods

#8
20180202292
2018-07-19

Pressure controlled hydraulic engine

#9
20170350247
2017-12-07

Air motor and pump comprising such a motor

#10
20140246867
2014-09-04

Air-powered generator system with electromagnetic auxiliary power unit

#11
20120308420
2012-12-06

Air motor having ceramic valves

#12
20120294745
2012-11-22

Air motor having a modular add on regulator

#13
20120294744
2012-11-22

Air motor having drop tube with knuckle ends

#14
20110214563
2011-09-08

FREE-PISTON COMPRESSED-GAS ENGINE VARIANT AND ENGINE PINION WITH SEVERAL DECOMPRESSION STAGES AND RETURN SPRINGS

#15
20100199652
2010-08-12

Multistage hydraulic gas compression/expansion systems and methods

#16
20100005801
2010-01-14

Ambient temperature thermal energy and constant pressure cryogenic engine

#17
20090255491
2009-10-15

SPLIT-CYCLE AIRCRAFT ENGINE

#18
20090211242
2009-08-27

Engines Driven by Liquefied Gas

#19
20090145129
2009-06-11

SPLIT-CYCLE AIRCRAFT ENGINE

#20
20090050103
2009-02-26

Split-cycle aircraft engine

#21
20090000293
2009-01-01

Power plant

#22
20050091981
2005-05-05

Vehicle with a combustion engine and a fuel cell device

#23
15009080
2018-03-20

Methods of laser powering unmanned aerial vehicles with heat engines