F01L5/04 - CPC Classification Index

ClassID:

137275 ⎘

F01L5/04 - CPC Classification

Classification description:

Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves

Sub-classes:

F01L5/045 » {Piston-type or cylinder-type valves arranged above the piston and coaxial with the cylinder axis} 6
F01L5/06 » surrounding working cylinder or piston 26

Recent Application in this class:

20220127977

2022-04-28

Internal combustion engine valve system and method

20210340930

2021-11-04

Combustion engine

20190257217

2019-08-22

Opposed piston engine with variable compression ratio

20180119582

2018-05-03

Reciprocating cylinder liner seal assembly

20170342870

2017-11-30

Control valve

20170009701

2017-01-12

Variable volume transfer shuttle capsule and valve mechanism

20170009617

2017-01-12

SLEEVE VALVE ENGINE

20160025002

2016-01-28

IMPROVED OPPOSED PISTON ENGINE

20150114328

2015-04-30

Control valve

#10

20140137829

2014-05-22

Sliding valve aspiration

#11

20140123638

2014-05-08

Pneumatic engine system with air circulation

#12

20130340702

2013-12-26

Valve apparatus for an internal combustion engine

#13

20120266845

2012-10-25

Valve apparatus for an internal combustion engine

#14

20090095239

2009-04-16

Method of operating a valve apparatus for an internal combustion engine

#15

20080230028

2008-09-25

Outward-opening gas-exchange valve system for an internal combustion engine

#16

20080066709

2008-03-20

Rotary valves and valve seal assemblies

#17

20080017161

2008-01-24

Valve apparatus for an internal combustion engine

#18

20070215078

2007-09-20

Methods and apparatus to use engine valves as both intake and exhaust valves

#19

20070068494

2007-03-29

Valve apparatus for an internal combustion engine

#20

20070068471

2007-03-29

Valve apparatus for an internal combustion engine

#21

20070068470

2007-03-29

Valve apparatus for an internal combustion engine

#22

20070067988

2007-03-29

Valve apparatus for an internal combustion engine

#23

20060236959

2006-10-26

Pneumatically actuated valve for internal combustion engines

#24

20060231056

2006-10-19

Internal Combustion Engine

#25

18909436

2025-05-27

Valve for an overhead cam engine and an overhead cam engine assembly