System and method for determining oil grade
US6840093B2 · kind B2 · utility
51Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2002 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Mar 14, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2011/0013
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The grade of oil used in a machine or apparatus can be determined by determining a temperature and pressure within an oil supply and determining the oil grade in response to determining the temperature and pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.