ClassID:

137546

F01M1/04 - CPC Classification

Classification description:

Pressure lubrication using pressure in working cylinder or crankcase to operate lubricant feeding devices

Recent Application in this class:
#1
20230212966
2023-07-06

Lubricating method of lubrication system of engine

#2
20230036530
2023-02-02

Internal combustion engine and oil treatment apparatus for use with the same

#3
20210293163
2021-09-23

Engine assembly

#4
20210062693
2021-03-04

Internal combustion engine and oil treatment apparatus for use with the same

#5
20200408117
2020-12-31

GEROTOR-TYPE OIL PUMP

#6
20200173319
2020-06-04

Four stroke engine, handheld work apparatus having a four stroke engine, and method for operating a four stroke engine

#7
20190301318
2019-10-03

Oil passageway structure for internal combustion engines

#8
20190271242
2019-09-05

Internal combustion engine and oil treatment apparatus for use with the same

#9
20190234259
2019-08-01

In-vehicle internal combustion engine

#10
20190234257
2019-08-01

Internal combustion engine

#11
20190120136
2019-04-25

High-performance internal combustion engine

#12
20180238203
2018-08-23

Lubrication structure for internal combustion engine

#13
20180163584
2018-06-14

Internal combustion engine with improved lubrication system

#14
20180156085
2018-06-07

Quantitative one-way oil gas lubricant system and method for 4-stroke engine

#15
20180141720
2018-05-24

Replaceable fluid container

#16
20180058313
2018-03-01

Portable four-stroke engine

#17
20180051604
2018-02-22

Four-stroke engine lubrication system

#18
20170350324
2017-12-07

V engine having valve property varying mechanism

#19
20170101908
2017-04-13

Lubricating device for engine

#20
20160281554
2016-09-29

Lubricating device of internal combustion engine

#21
20160230622
2016-08-11

Lubrication system for internal combustion engine

#22
20160230621
2016-08-11

LUBRICATING DEVICE FOR ENGINE

#23
20160061070
2016-03-03

Four-stroke Engine

#24
20150291318
2015-10-15

Replaceable fluid container

#25
20150267578
2015-09-24

General-purpose engine

#26
20150252698
2015-09-10

Handheld four-stroke engine lubricating system

#27
20150136065
2015-05-21

Lubrication system for four-stroke engine

#28
20150096840
2015-04-09

Engine oil supply system

#29
20150096527
2015-04-09

Engine oil pan

#30
20150096521
2015-04-09

Engine with rocker chamber

#31
20140360454
2014-12-11

Engine system having a backflow valve and method for operation thereof

#32
20140216371
2014-08-07

Spray cooled oil system for an internal combustion engine

#33
20140010670
2014-01-09

Packing lubrication system

#34
20130233271
2013-09-12

Oil squirter with damping vent

#35
20130160728
2013-06-27

Four-stroke engine

#36
20130139782
2013-06-06

Lubrication apparatus for four-stroke engine

#37
20130118440
2013-05-16

Lubrication apparatus for four-stroke engine

#38
20130104839
2013-05-02

Engine provided with lubricating structure

#39
20130074802
2013-03-28

Engine lubrication method

#40
20120199097
2012-08-09

Lubrication apparatus for four-stroke engine

#41
20120118272
2012-05-17

Axial-piston engine with a compressor stage, and with an engine-oil circuit and a pressure-oil circuit as well as method for operation of such an axial-piston engine

#42
20120101676
2012-04-26

Control apparatus for hybrid vehicle

#43
20120060790
2012-03-15

LUBRICATION STRUCTURE FOR FOUR-STROKE ENGINE

#44
20120017865
2012-01-26

Lubricating device for four-stroke engine

#45
20110308485
2011-12-22

Four-stroke engine and working machine using the same

#46
20110120409
2011-05-26

FOUR-STROKE INTERNAL COMBUSTION ENGINE LUBRICATION DEVICE

#47
20110067669
2011-03-24

Lubrication system for four-stroke engine

#48
20110067659
2011-03-24

Lubrication system for portable four-stroke engine

#49
20100319665
2010-12-23

Fuel-air separation structure improvement for engine blow-by of vehicles

#50
20090288631
2009-11-26

Cylinder head lubricating structure for engine

#51
20090283067
2009-11-19

Engine lubrication method

#52
20090272360
2009-11-05

LUBRICATION DEVICE OF FOUR-STROKE ENGINES

#53
20090235894
2009-09-24

Lubrication apparatus for engines

#54
20090218169
2009-09-03

Engine lubrication system

#55
20090014246
2009-01-15

Lubrication system for four-stroke engine

#56
20090013959
2009-01-15

Lubrication system for an engine

#57
20080083392
2008-04-10

Engine lubrication method

#58
20070246000
2007-10-25

Lubrication structure of engine

#59
20070028887
2007-02-08

Engine lubrication method

#60
20060174851
2006-08-10

Slant engine

#61
20050279318
2005-12-22

Four-stroke internal combustion engine

#62
20050274349
2005-12-15

Lubrication device for four-stroke engine

#63
20050229893
2005-10-20

Combustion engine of vertical shaft type

#64
20050145232
2005-07-07

Lightweight four-stroke engine

#65
20050145215
2005-07-07

Crankcase scavenged four-stroke engine

#66
20050087161
2005-04-28

Lubricating oil supplying structure of an engine

#67
20050022775
2005-02-03

Crankcase scavenged internal combustion engine