Inventor · disambiguated record

Erich Kraehn

Also filed as: KRAEHN ERICH

3 granted patents·104 citations·filing 1987–1992

74Inventor score

Technology areasG03G

Files withSIEMENS AG3

Top patents by PatentIndex Score

3 records

0191US5074342ADevice for non-contaminating changing of a toner container in a toner conveying means of a non-mechanical printer or copier meansSIEMENS AG·Filed 1987·Granted Dec 24, 1991·63 cites·9 claims
0284US4990964AToner delivery system having a multi-functional toner container for non-mechanical printer and copier meansSIEMENS AG·Filed 1987·Granted Feb 5, 1991·34 cites·10 claims
0342US5201349ADevice for pneumatically transferring toner from a transport container into a toner reservoirSIEMENS AG·Filed 1992·Granted Apr 13, 1993·7 cites·6 claims

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