ClassID:

138888

F02B75/002 - CPC Classification

Classification description:

Other engines Double acting engines

Recent Application in this class:
#1
20230323807
2023-10-12

QUADRUPLE ACTING SCOTCH YOKE ENGINE

#2
20220282620
2022-09-08

Engine with gas exchange through piston rod

#3
20220120214
2022-04-21

Six-cylinder opposed free piston internal combustion engine generator

#4
20220003158
2022-01-06

Quadruple acting scotch yoke engine

#5
20210231048
2021-07-29

DOUBLE ACTING PISTON ENGINES

#6
20210180507
2021-06-17

SIMULTANEOUS COMBINED-CYCLE MULTI-STAGE COMBUSTION ENGINE

#7
20210003121
2021-01-07

PROCESS FOR OPERATING A SINGLE-STROKE COMBUSTION ENGINE

#8
20200284149
2020-09-10

Engine with work stroke and gas exchange through piston rod

#9
20200277946
2020-09-03

Dual engine-compressor system

#10
20200056480
2020-02-20

Engine with work stroke and gas exchange through piston rod

#11
20200040880
2020-02-06

Dual engine-compressor system

#12
20200024946
2020-01-23

Engine with work stroke and gas exchange through piston rod

#13
20180252105
2018-09-06

Hydrogen engine and the way of hydrogen fuel production for its power supply

#14
20180106150
2018-04-19

Engine with compression and momentum stroke

#15
20170030194
2017-02-02

RECIPROCATING ENGINE

#16
20170016536
2017-01-19

Gapless piston ring for internal combustion engine

#17
20170016393
2017-01-19

Engine with compression and momentum stroke

#18
20170016360
2017-01-19

Timed gas exchange in engine using piston as exhaust valve

#19
20170016331
2017-01-19

Piston assembly for internal combustion engine

#20
20170016330
2017-01-19

Engine with piston that overshoots cylinder wall exhaust port

#21
20170016329
2017-01-19

ENGINE WITH PISTON THAT SERVES AS VALVE TO CONTROL GAS EXCHANGE

#22
20170016328
2017-01-19

Gas exchange through engine piston rod

#23
20170016327
2017-01-19

Engine with continuous gas exchange during momentum stroke

#24
20160177816
2016-06-23

TWO-STROKE ENGINE

#25
20150107547
2015-04-23

Internal combustion engine and a method of operating an internal combustion engine

#26
20140345581
2014-11-27

Internal combustion engine

#27
20140265349
2014-09-18

Multi-fuel engine

#28
20140196675
2014-07-17

Crankdisk bearing support for the waissi internal combustion engine

#29
20140116389
2014-05-01

Single-cylinder, dual head internal combustion engine having magnetically coupled power delivery

#30
20130199465
2013-08-08

Engine usable as a power source or pump

#31
20120280513
2012-11-08

Free piston engine

#32
20120266842
2012-10-25

Combustion Management System

#33
20120240578
2012-09-27

Hot Charge Dual Drive Engine with Steam Assist

#34
20120227389
2012-09-13

RECIPROCATING MACHINE & OTHER DEVICES

#35
20120186674
2012-07-26

Energy production system using combustion exhaust

#36
20110100328
2011-05-05

ELECTROLYSIS APPARATUS AND RELATED DEVICES AND METHODS

#37
20100071640
2010-03-25

Internal combustion engine with dual-chamber cylinder

#38
20080173286
2008-07-24

Internal combustion engine with cylinder and piston having a dual-combustion stroke

#39
20080149052
2008-06-26

Engine having axially opposed cylinders

#40
20080083328
2008-04-10

Universal hyperbaric mechanism in engine systems combining general application work machines

#41
20050076864
2005-04-14

Horizontally opposed four stroke internal combustion engine

#42
18179624
2024-04-30

MHMF alternating internal combustion engine