ClassID:

137367

F01L11/02 - CPC Classification

Classification description:

Valve arrangements in working piston or piston-rod in piston

Sub-classes:
Recent Application in this class:
#1
20250369373
2025-12-04

VALVED-PISTON AND ACTUATOR WITH RECYCLED COMBUSTION

#2
20230058375
2023-02-23

Linear combustion engines with valve in piston

#3
20170107894
2017-04-20

Engine block and a process for hybrid ignition of an engine

#4
20140261347
2014-09-18

Internal combustion engine having piston with piston valve and associated method

#5
20140130780
2014-05-15

Internal combustion engine

#6
20130319368
2013-12-05

Combustion chamber intake and exhaust shutter

#7
20120318250
2012-12-20

Two-stroke engine

#8
20120227708
2012-09-13

Piston and use therefor

#9
20110036330
2011-02-17

Internal combustion engine

#10
20110036313
2011-02-17

Two-stroke engine

#11
20100186720
2010-07-29

LOW-ENERGY VALVE SYSTEM FOR A PRESSURIZED GAS ENGINE

#12
20090320799
2009-12-31

Drive system with a rotary energy-transmission element

#13
20090151686
2009-06-18

SUPERCHARGED INTERNAL COMBUSTION ENGINE

#14
20070044738
2007-03-01

Opposed double piston internal combustion engine

#15
20060230917
2006-10-19

Continuous reciprocating linear motion device

#16
20060196456
2006-09-07

Energy efficient clean burning two-stroke internal combustion engine

#17
20060048729
2006-03-09

Supercharged two-stroke engine with upper piston extensions

#18
20050205025
2005-09-22

Apparatus with piston having upper piston extensions

#19
20050091980
2005-05-05

Reciprocating engine and inlet system therefor

#20
20050076881
2005-04-14

Internal combustion engine with novel fuel / air delivery system

#21
20050076880
2005-04-14

Internal combustion engine

#22
20050076878
2005-04-14

Internal combustion engine with novel fuel/air delivery system

#23
20050066930
2005-03-31

V-twin configuration having rotary mechanical field assembly

#24
16659540
2020-09-08

Overhead sliding rotary valve assembly and method of use