Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for determining the times when it will be necessary to change, or add to, the engine oil in a motor vehicle engine

Method for determining the times when it will be necessary to change, or add to, the engine oil in a motor vehicle engine

US Patent 6266587 · Granted Jul 24, 2001

Estimated economic value: $19,100,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Semiconductor structure with one or more support structures2023
Apparatus for actuating and/or monitoring a brushless DC motor2018
Method and device for operating a brushless DC motor2017
Method of producing a semiconductor arrangement2017
Semiconductor arrangement2016
Method for determining the amount of an operating medium in a motor vehicle2006
Method for determining the amount of an operating medium in a motor vehicle2006
Casting die for the production of a cylinder block/crankcase2004
Cylinder liner of an internal combustion engine2003
Hydraulically controllable globe valve2003
Hydraulically controllable globe valve2002
Sensor arrangement2001