Patent · US Expired

Oil purification

US5500093A · kind A · utility

2Cited by
6References
4Claims
0Family size

Inventor

Key dates

Filing dateAug 9, 1993
Grant dateMar 19, 1996
Priority date
Expiry dateAug 9, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D37/025
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A lubricating oil purifying device adapted to be installed in the flow line of lubricating oil passing into an oil filter, comprising a solid body made of acid-reactive material and having a central orifice in which a coupling ring is positioned.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.