ClassID:

137686

F01M2011/1473 - CPC Classification

Classification description:

Component parts, details or accessories, not provided for in, or of interest apart from, groups  - ; Indicating devices; Other safety devices for indicating the necessity to change the oil by considering temperature

Recent Application in this class:
#1
20260071987
2026-03-12

OIL LUBRICANT QUALITY SENSOR FOR A LUBRICANT SUPPORTED ELECTRIC MOTOR AND AN OIL COOLED INVERTER

#2
20250137883
2025-05-01

ENGINE OIL SYSTEM HEALTH MONITORING USING OIL LEVEL SENSOR

#3
20240426230
2024-12-26

METHODS AND APPARATUS FOR MANAGING FUEL IN OIL

#4
20230145029
2023-05-11

System for monitoring an engine

#5
20230134353
2023-05-04

OIL LUBRICANT QUALITY SENSOR FOR A LUBRICANT SUPPORTED ELECTRIC MOTOR AND AN OIL COOLED INVERTER

#6
20220307395
2022-09-29

Systems and methods for lubricant dilution detection

#7
20220307394
2022-09-29

Lubricant dilution detection system

#8
20220145786
2022-05-12

Controller and control method for vehicle

#9
20220082069
2022-03-17

Electronic fuel injection system and method for engines

#10
20210381409
2021-12-09

METHOD AND SYSTEM FOR SENSING ENGINE OIL DETERIORATION

#11
20210340892
2021-11-04

APPARATUS AND METHOD FOR DETECTING ENGINE OIL REPLACEMENT

#12
20200378283
2020-12-03

Systems and methods for remaining useful life prediction of a fluid

#13
20200309759
2020-10-01

Electronic fuel injection system and method for engines

#14
20200284341
2020-09-10

Eco-friendly vehicle and transmission hydraulic pressure control method for the same

#15
20200182853
2020-06-11

Replacement recommending device, replacement recommending method, and non-transitory storage medium storing replacement recommending program

#16
20200063667
2020-02-27

Method and device for acquiring the oil temperature in an internal combustion engine

#17
20190257260
2019-08-22

Electronic fuel injection system and method for engines

#18
20190226947
2019-07-25

Fluid analysis and monitoring using optical spectroscopy

#19
20190195097
2019-06-27

Lubricant health detection system

#20
20190101473
2019-04-04

Fluid analysis and monitoring using optical spectrometry

#21
20190101458
2019-04-04

System and method for engine oil temperature estimation

#22
20190001954
2019-01-03

Apparatus and method

#23
20180299375
2018-10-18

Fluid analysis and monitoring using optical spectroscopy

#24
20180299355
2018-10-18

Fluid analysis and monitoring using optical spectroscopy

#25
20180202333
2018-07-19

System and method for predicting remaining oil life in vehicles

#26
20180156086
2018-06-07

Systems for in situ monitoring of working fluids and working fluid systems

#27
20170343426
2017-11-30

SENSOR UNIT, APPARATUS WITH SENSOR UNIT AND ASSEMBLING METHOD OF SENSOR UNIT

#28
20170342877
2017-11-30

Apparatus for monitoring an oil thermostat

#29
20170081997
2017-03-23

Sensing system and method

#30
20160245135
2016-08-25

Oil pan and engine assembly including the oil pan

#31
20150226640
2015-08-13

Measurement apparatus and measurement method for determining a composition of a fluid for a reciprocating piston internal combustion engine

#32
20140343786
2014-11-20

System and method for determining a lubricant discard interval

#33
20140331746
2014-11-13

OIL DEGRADATION DETERMINING DEVICE FOR INTERNAL COMBUSTION ENGINE (AS AMENDED)

#34
20130345925
2013-12-26

Systems and methods for accurately compensating for a change in amount of unwanted fluid diluted in engine oil resulting from a recent long trip

#35
20130080022
2013-03-28

Engine oil level monitoring systems and methods

#36
20120062894
2012-03-15

Monitoring apparatus, as well as monitoring method for monitoring a state of wear of a component for a reciprocating piston internal combustion engine

#37
20120044077
2012-02-23

Method of monitoring oil in a vehicle

#38
20110208385
2011-08-25

Method for automatically determining engine oil change frequency based on fuel injected

#39
20100281971
2010-11-11

Fluid condition and level sensor

#40
20100122571
2010-05-20

Method and system for estimating engine oil life based on viscosity

#41
20090234533
2009-09-17

PROGRAMMED ENGINE OIL CHANGE NOTIFICATION SYSTEM FOR AN ENGINE-DRIVEN WELDER/GENERATOR

#42
20090217740
2009-09-03

Oil-degradation determination apparatus

#43
20080250851
2008-10-16

Integrated oil condition and level sensor

#44
20050039521
2005-02-24

Apparatus and method for determining oil change based upon oil viscosity

#45
17524602
2022-11-22

Method and device for calculating consumption amount of engine oil of vehicle

#46
17390144
2023-10-17

Vehicle liquid monitoring system and method

#47
17106696
2022-03-01

Oil dilution diagnostic test

#48
16198805
2020-07-07

Equipment monitoring system