Inventor · disambiguated record
Franz Wittmann
Also filed as: WITTMANN FRANZ
14 granted patents·97 citations·filing 1979–2007
91Inventor score
Files withOCE PRINTING SYSTEMS GMBH6ROCHE DIAGNOSTICS GMBH2SIEMENS AG2ROCHE DIAGNOSTICS CORP1ROCHE DIAGNOSTICS OPERATIONS1
Top patents by PatentIndex Score
14 records- 0171US7454162B2Multifunction device for post-processing of a printing substrate web printed by an electrographic printing deviceOCE PRINTING SYSTEMS GMBH·Filed 2004·Granted Nov 18, 2008·14 cites·61 claims
- 0270US7376383B2Device for regulation of the sliding properties of a print substrate in an electrophotographic printer or copierOCE PRINTING SYSTEMS GMBH·Filed 2007·Granted May 20, 2008·3 cites·18 claims
- 0365US6613570B2Control liquid containing an adsorbentROCHE DIAGNOSTICS CORP·Filed 2001·Granted Sep 2, 2003·6 cites·9 claims
- 0460US7629175B2Test element with a one layer reaction filmROCHE DIAGNOSTICS OPERATIONS·Filed 2005·Granted Dec 8, 2009·2 cites·31 claims
- 0560US7248828B2Device for regulation of the sliding properties of a print substrate in an electrophotographic printer or copierOCE PRINTING SYSTEMS GMBH·Filed 2004·Granted Jul 24, 2007·7 cites·25 claims
- 0659US6537496B1Functional overlay for flexible objects in particular for diagnostic test stripsROCHE DIAGNOSTICS GMBH·Filed 1999·Granted Mar 25, 2003·21 cites·5 claims
- 0754US7479253B2Method of assembling a diagnostic test strip having a functional overlayROCHE DIAGNOSTICS GMBH·Filed 2003·Granted Jan 20, 2009·1 cites·5 claims
- 0853US6072978ADevice for applying release agent to the surface of a fixing roller of an electrographic printer or copierOCE PRINTING SYSTEMS GMBH·Filed 1996·Granted Jun 6, 2000·11 cites·10 claims
- 0944US6298216B1Image transfer device incorporating a fuser roller having a thick wearable silicone rubber surfaceOCE PRINTING SYSTEMS GMBH·Filed 1999·Granted Oct 2, 2001·9 cites·22 claims
- 1040US7421242B2Device for post-processing of a print substrate web printed by an electrographic printing or copying deviceOCE PRINTING SYSTEMS GMBH·Filed 2005·Granted Sep 2, 2008·0 cites·16 claims
- 1138US4711564AMechanism for the drive of actuation elements movable in sealed regions of non-mechanical printer or copier meansSIEMENS AG·Filed 1986·Granted Dec 8, 1987·4 cites·11 claims
- 1229US4573226AInsert for a piece of lounging furnitureWITTMANN FRANZ·Filed 1984·Granted Mar 4, 1986·11 cites·23 claims
- 1327US6067247ASRAM memory cellSIEMENS AG·Filed 1998·Granted May 23, 2000·1 cites·9 claims
- 1426US4226470AConvertible couch or chairWITTMANN FRANZ KG·Filed 1979·Granted Oct 7, 1980·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →