Patents-Review.com
ClassID:

137682 ⎘

F01M2011/1446 - 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 pressure

Recent Application in this class:
#1
20250389214
2025-12-25

OIL CONDITION ESTIMATION DEVICE AND OIL CONDITION ESTIMATION METHOD

 #2
20250361824
2025-11-27

CONTROLLER, METHOD, AND ENGINE SYSTEM FOR ENGINE CRANK CONTROL

 #3
20250137883
2025-05-01

ENGINE OIL SYSTEM HEALTH MONITORING USING OIL LEVEL SENSOR

 #4
20230392526
2023-12-07

LEAKAGE DETECTION DEVICE FOR PCV PASSAGE, AND VEHICLE

 #5
20230314403
2023-10-05

METHOD AND APPARATUS FOR ENGINE OIL DILUTION ANALYSIS

 #6
20230145029
2023-05-11

System for monitoring an engine

 #7
20230044685
2023-02-09

Systems and methods for reliably detecting wear metal particles in lubrication systems to avoid progressive damage

 #8
20220307395
2022-09-29

Systems and methods for lubricant dilution detection

 #9
20220307394
2022-09-29

Lubricant dilution detection system

 #10
20210254519
2021-08-19

Systems and methods for reliably detecting wear metal particles in lubrication systems to avoid progressive damage

 #11
20200018200
2020-01-16

Synchronization of lubricant system service

 #12
20190226947
2019-07-25

Fluid analysis and monitoring using optical spectroscopy

 #13
20190211721
2019-07-11

Method for controlling a pressure in a crankcase

 #14
20190101473
2019-04-04

Fluid analysis and monitoring using optical spectrometry

 #15
20190040775
2019-02-07

Method of diagnosing a lubrication system of an engine

 #16
20180299375
2018-10-18

Fluid analysis and monitoring using optical spectroscopy

 #17
20180299355
2018-10-18

Fluid analysis and monitoring using optical spectroscopy

 #18
20180246010
2018-08-30

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

 #19
20180156086
2018-06-07

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

 #20
20170342877
2017-11-30

Apparatus for monitoring an oil thermostat

 #21
20140365144
2014-12-11

System and method for extending a lubricant discard interval

 #22
20140343786
2014-11-20

System and method for determining a lubricant discard interval

 #23
20110208385
2011-08-25

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

 #24
20100292850
2010-11-18

Oil pressure controlling apparatus and system comprising same

 #25
20100122571
2010-05-20

Method and system for estimating engine oil life based on viscosity

 #26
20090234533
2009-09-17

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

 #27
20060243258
2006-11-02

Engine and ventilation system

 #28
20050062596
2005-03-24

Automatic reset of lubricating fluid life monitoring system

 #29
20050039521
2005-02-24

Apparatus and method for determining oil change based upon oil viscosity

 #30
20050022795
2005-02-03

Method and device for operating an internal combustion engine

 #31
17524602
2022-11-22

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

 #32
17106696
2022-03-01

Oil dilution diagnostic test