Patents-Review.com
ClassID:

137197 ⎘

F01L1/28 - CPC Classification

Classification description:

Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports

Sub-classes:
Recent Application in this class:
#1
20200332746
2020-10-22

Valve arrangement and valve guide

 #2
20200300182
2020-09-24

A GAS FEEDING ARRANGEMENT

 #3
20200011213
2020-01-09

Valve arrangement and valve guide

 #4
20190085792
2019-03-21

Valve arrangement

 #5
20180283312
2018-10-04

Internal combustion engine

 #6
20180283265
2018-10-04

Internal combustion engine

 #7
20180283235
2018-10-04

Internal combustion engine

 #8
20180245486
2018-08-30

Valve arrangement and valve guide

 #9
20170058758
2017-03-02

INTERNAL COMBUSTION ENGINE

 #10
20160131046
2016-05-12

Systems and methods for control of turbine-generator via valve deactivation in a split exhaust engine system

 #11
20140338630
2014-11-20

Dosing valve for additives at risk of freezing, method for producing a dosing valve and motor vehicle

 #12
20140109850
2014-04-24

METHOD AND SYSTEM FOR INTERNAL COMBUSTION ENGINE

 #13
20140083389
2014-03-27

Cylinder head with annular valve for internal-combustion engine

 #14
20110297112
2011-12-08

Forced air valve guide for an internal combustion engine

 #15
20110277711
2011-11-17

Method and system for internal combustion engine

 #16
20110162607
2011-07-07

Single poppet valve cylinder head assembly for internal combustion engine

 #17
20100229838
2010-09-16

Dual fuel compression ignition engines and methods

 #18
20100180851
2010-07-22

PISTON ENGINE COMPRISING MEMBER TO COVER BOTTOM FACE OF VALVE HEAD OF POPPET VALVE

 #19
20080230031
2008-09-25

Dual intake valve assembly for internal combustion engine

 #20
20080230019
2008-09-25

Dual intake valve assembly for internal combustion engine

 #21
20080141921
2008-06-19

Marine hulls and drives

 #22
20080087257
2008-04-17

Internal combustion engine with shared holding tank in cylinder head for elevated expansion ratio

 #23
20080035105
2008-02-14

Internal combustion engine with single-port holding tank for elevated expansion ratio

 #24
20070246007
2007-10-25

Engine valve assembly having holding tank with return valve and discharge valve in the valve assembly

 #25
20070240696
2007-10-18

Poppet valve and engine using same

 #26
20070215078
2007-09-20

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

 #27
20070181112
2007-08-09

Valve-operating mechanism for internal combustion engine

 #28
20070039584
2007-02-22

Coaxial poppet valve

 #29
20070000244
2007-01-04

Single valve intake/exhaust device for a direct injection internal combustion engine

 #30
20060236959
2006-10-26

Pneumatically actuated valve for internal combustion engines

 #31
20050098138
2005-05-12

Diesel four cycle, 1 poppet valve, modified head, piston and valves