Patent · US Expired

Device and method for the replacement of out-of-date developer

US7257354B2 · kind B2 · utility

3Cited by

5References

7Claims

0Family size

Assignee

Oce Printing Systems GmbH · DE

Inventors

Bernhard Schlageter · Ottobrunn, DE
Uwe Höllig · Birkenfeld, DE

Key dates

Filing date	Feb 18, 2002
Grant date	Aug 14, 2007
Priority date	—
Expiry date	May 26, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S222/01
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

In order to replace out-of date flowing medium (16) in a system, comprising a component which ages, a defined amount of out-of-date flowing medium (16) is removed and the same amount of fresh flowing medium or fresh components (14) added and a given level (17″) of the flowing medium maintained.

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