ClassID:

137576

F01M1/20 - CPC Classification

Classification description:

Pressure lubrication; Indicating or safety devices concerning lubricant pressure

Sub-classes:
Recent Application in this class:
#1
20260098489
2026-04-09

ENGINE SYSTEM

#2
20250207518
2025-06-26

OIL PRESSURE CONTROL SYSTEM AND CONTROL METHOD THEREOF

#3
20250059899
2025-02-20

Internal Combustion Engine Control Device and Internal Combustion Engine Control Method

#4
20230101143
2023-03-30

Oil system of a gas turbine engine, comprising a first oil circuit and at least one second oil circuit, and gas turbine engine

#5
20230051429
2023-02-16

Method of controlling electric oil pump for vehicle

#6
20220307395
2022-09-29

Systems and methods for lubricant dilution detection

#7
20220251982
2022-08-11

Systems and methods for hole detection in crankcase ventilation tubing

#8
20220112822
2022-04-14

Systems and methods for hole detection in crankcase ventilation tubing

#9
20220056821
2022-02-24

HYDRAULIC PRESSURE WARNING DEVICE

#10
20220018269
2022-01-20

Diagnostic method for an oil piston cooling jet valve, diagnostic device, control unit, motor vehicle

#11
20220010751
2022-01-13

Systems and methods for a crankcase pressure sensor

#12
20210348529
2021-11-11

Method and device for inspecting the functionality of a crankcase ventilation system of an internal combustion engine

#13
20210310571
2021-10-07

On/off solenoid valve providing two levels of mechanical pressure regulation

#14
20210270249
2021-09-02

Fluid system for a wind turbine

#15
20210180482
2021-06-17

Relief valve for oil pump having separated bypass period

#16
20210131321
2021-05-06

Aircraft engine lubrication system and method

#17
20210079819
2021-03-18

Method of controlling oil pump of vehicle

#18
20210003049
2021-01-07

Device for controlling pressure of oil pump in vehicle

#19
20200400050
2020-12-24

Crankcase ventilation system and diagnostic method

#20
20200378282
2020-12-03

Pressure measuring unit and connection unit for a motor vehicle transmission

#21
20200347759
2020-11-05

Apparatus and method for controlling cluster of vehicle

#22
20200318493
2020-10-08

Oil pipe assembly

#23
20200291833
2020-09-17

Internal combustion engine for a motor vehicle

#24
20200277908
2020-09-03

System and method for improving cylinder deactivation

#25
20200217263
2020-07-09

Agricultural work vehicle and system and method for monitoring state of agricultural work vehicle

#26
20200191054
2020-06-18

Two tier lubrication system

#27
20200131956
2020-04-30

Control system for oil supply mechanism

#28
20200072100
2020-03-05

Control device and control method for onboard engine

#29
20190390579
2019-12-26

Oil pressure control device

#30
20190316498
2019-10-17

Oil supply device of internal combustion engine

#31
20190285007
2019-09-19

Method of managing a propulsion system based on health of a lubrication system

#32
20190242279
2019-08-08

System and method for diagnosing a variable oil pump

#33
20190195095
2019-06-27

Engine variable oil pump diagnostic method

#34
20190145846
2019-05-16

Oil filter-leak pressure-test station

#35
20180347416
2018-12-06

Control device for electric motor and hydraulic pressure supply system

#36
20180334935
2018-11-22

Grounding structure for internal combustion engine

#37
20180320567
2018-11-08

Grounding structure for internal combustion engine

#38
20180246010
2018-08-30

Methods for evaluating the lubrication of an apparatus which can be lubricated by means of a lubricant circuit

#39
20180245489
2018-08-30

SOLENOID-ACTUATED PRESSURE-RELIEF VALVE

#40
20180223984
2018-08-09

Lubrication systems for transmissions

#41
20180208214
2018-07-26

Control system for hybrid vehicle

#42
20180149050
2018-05-31

Thermo valve and oil pump

#43
20170356375
2017-12-14

System and method for improving cylinder deactivation

#44
20170335815
2017-11-23

Hydraulic starter and pre-lubrication system for an internal combustion engine

#45
20170307463
2017-10-26

Oil filter-leak pressure-test station

#46
20170067378
2017-03-09

Four-cycle OHV engine

#47
20160305284
2016-10-20

FDGS auxiliary pump monitoring system

#48
20160047281
2016-02-18

EMERGENCY OIL SYSTEM

#49
20150377096
2015-12-31

Oil level regulating apparatus for an engine

#50
20150153001
2015-06-04

Transmission pump

#51
20140311440
2014-10-23

Oil pump control valve

#52
20140116541
2014-05-01

Oil relief valve

#53
20140081550
2014-03-20

Crankcase integrity breach detection

#54
20130158835
2013-06-20

Internal combustion engine including crankshaft that is rotated while engine is in a non-fueled mode and method of operating an engine

#55
20130151113
2013-06-13

OIL PUMP CONTROL SYSTEM FOR VEHICLE

#56
20120316751
2012-12-13

System and method for monitoring engine oil pressure

#57
20120296518
2012-11-22

Method to diagnose a fault of an oil piston cooling jets valve

#58
20120291536
2012-11-22

Oil-pressure determination apparatus of engine

#59
20120261009
2012-10-18

Hydraulic control device

#60
20120241258
2012-09-27

LUBRICANT SUPPLY SYSTEM AND METHOD FOR CONTROLLING GEARBOX LUBRICATION

#61
20120191322
2012-07-26

Controlling an engine having an electronically-controlled turbocharger

#62
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

#63
20120118257
2012-05-17

OIL PUMP SYSTEM OF AN ENGINE FOR A VEHICLE

#64
20120103442
2012-05-03

Relief valve for oil pump

#65
20120063927
2012-03-15

Control and diagnostic systems for a variable capacity engine oil pump and an engine oil pressure sensor

#66
20120061184
2012-03-15

Transmission Pump

#67
20110197846
2011-08-18

Control Valve Apparatus

#68
20110041798
2011-02-24

Hydraulic control device for internal combustion engine

#69
20100245070
2010-09-30

Hydraulic pressure warning system for internal combustion engine

#70
20100147256
2010-06-17

Abnormality detecting device for hydraulic system

#71
20090205734
2009-08-20

Oil passage forming member fitted with hydraulic pressure sensor

#72
20090107770
2009-04-30

METHOD FOR DETECTING FUGITIVE FUELING ARISING FROM A PRESSURE-LUBRICATED AIR INLET SYSTEM COMPONENT IN A RECIPROCATING INTERNAL COMBUSTION ENGINE

#73
20080054204
2008-03-06

Pressure relief valve

#74
20050142006
2005-06-30

Device for pressure regulation of hydraulic pumps

#75
17733863
2023-07-18

Motor load based fluid filter service interval

#76
17183248
2022-01-11

Methods and systems for diagnosing a clogged crankcase and for performing a crankcase clean out