Inventor · disambiguated record
Stefan Walz
Also filed as: WALZ STEFAN
32 granted patents·10 pending applications·286 citations·filing 1977–2025
96Inventor score
Top patents by PatentIndex Score
42 records- 0192US10279424B2Filter device for gas filtration and filter element for a filter device for gas filtrationMANN & HUMMEL GMBH·Filed 2017·Granted May 7, 2019·9 cites·17 claims
- 0291US7072987B2Method for operating and observing field devicesSIEMENS AG·Filed 2002·Granted Jul 4, 2006·82 cites·12 claims
- 0390US7370244B2User-guided error correctionSAP AG·Filed 2004·Granted May 6, 2008·85 cites·18 claims
- 0487US7945489B2Flexible cost and revenue allocation for service ordersSAP AG·Filed 2005·Granted May 17, 2011·30 cites·16 claims
- 0584US9486719B2Filter element, device for folding a filter medium web and process for producing a zigzag-folded filter elementMANN & HUMMEL GMBH·Filed 2014·Granted Nov 8, 2016·6 cites·12 claims
- 0683US9895640B2Filter element for a filter device for gas filtrationMANN & HUMMEL GMBH·Filed 2015·Granted Feb 20, 2018·3 cites·20 claims
- 0782US10898841B2Filter element, in particular for gas filtrationMANN & HUMMEL GMBH·Filed 2018·Granted Jan 26, 2021·2 cites·16 claims
- 0877US7296192B2Error handling in enterprise information technology systemsSAP AG·Filed 2004·Granted Nov 13, 2007·17 cites·20 claims
- 0977US4162668ADiesel internal combustion engineMTU FRIEDRICHSHAFEN GMBH·Filed 1977·Granted Jul 31, 1979·24 cites·11 claims
- 1074US10279298B2Plate-type filter element for gas filtrationMANN & HUMMEL GMBH·Filed 2017·Granted May 7, 2019·1 cites·21 claims
- 1174US2025314977A1Optical system and lithography systemZEISS CARL SMT GMBH·Filed 2025·Application pending·0 cites
- 1272US8282700B2Filter device for filtration of a fluidWALZ STEFAN·Filed 2010·Granted Oct 9, 2012·5 cites·14 claims
- 1372US2025291176A1Mirror arrangement with cooled mirror elements and lithography systemZEISS CARL SMT GMBH·Filed 2025·Application pending·0 cites
- 1469US7837755B2Extruded sealMANN & HUMMEL GMBH·Filed 2006·Granted Nov 23, 2010·3 cites·9 claims
- 1568US8728192B2Filter housing with replaceable latching element having pre-determined breaking pointMETZGER MICHAEL·Filed 2012·Granted May 20, 2014·3 cites·7 claims
- 1668US2025206598A1Apparatus for stress-reduced mounting of mems-based micromirrorsZEISS CARL SMT GMBH·Filed 2025·Application pending·0 cites
- 1767US7987297B2Electrical field device and method for establishing a data link between a data interface of the electrical field device and a data memory inside the deviceSIEMENS AG·Filed 2005·Granted Jul 26, 2011·5 cites·4 claims
- 1866US11833462B2Filter element, in particular for gas filtrationMANN & HUMMEL GMBH·Filed 2021·Granted Dec 5, 2023·0 cites·13 claims
- 1964US10325276B2Financial reporting system integrating market segment attributes and accounting dataSAP SE·Filed 2015·Granted Jun 18, 2019·1 cites·17 claims
- 2064US8409311B2Filtering deviceJESSBERGER THOMAS·Filed 2007·Granted Apr 2, 2013·3 cites·13 claims
- 2163US8404015B2Filter arrangementMOSER NIKOLAUS·Filed 2008·Granted Mar 26, 2013·3 cites·15 claims
- 2262US9151423B2Connecting socket for filter hosesWALZ STEFAN·Filed 2012·Granted Oct 6, 2015·1 cites·8 claims
- 2361US2025271781A1Assembly for an optical systemZEISS CARL SMT GMBH·Filed 2025·Application pending·0 cites
- 2459US7632328B2Filter apparatus for filtering the air for an internal combustion engineMANN & HUMMEL GMBH·Filed 2006·Granted Dec 15, 2009·1 cites·15 claims
- 2558US7711615B2Methods, apparatus, systems, computer program products and mediums for use in association with accounting and/or financial analysisSAP AG·Filed 2007·Granted May 4, 2010·1 cites·30 claims
- 2651US7686126B2Electric motor assisted steering apparatusZF LENKSYSTEME GMBH·Filed 2007·Granted Mar 30, 2010·1 cites·20 claims
- 2750US7758677B2Filtering deviceMANN & HUMMEL GMBH·Filed 2007·Granted Jul 20, 2010·0 cites·13 claims
- 2849US10464007B2Filter cartridge for a filter apparatusMANN & HUMMEL GMBH·Filed 2016·Granted Nov 5, 2019·0 cites·19 claims
- 2949US7799110B2Filter apparatus especially for filtration of combustion air in internal combustion enginesMANN & HUMMEL GMBH·Filed 2007·Granted Sep 21, 2010·0 cites·8 claims
- 3048US10300418B2Filter insert for a filter deviceMANN & HUMMEL GMBH·Filed 2016·Granted May 28, 2019·0 cites·25 claims
- 3144US2008086992A1Filter DeviceMANNGMBH·Filed 2007·Application pending·0 cites
- 3242US8863889B2Steering system in a vehicleWALZ STEFAN·Filed 2012·Granted Oct 21, 2014·0 cites·7 claims
- 3342US2013257329A1Junction temperature measurement of a power mosfetOROU CHRISTOPH·Filed 2013·Application pending·0 cites
- 3441US10461665B2Switch device for an electric motor, control device and steering systemBOSCH GMBH ROBERT·Filed 2017·Granted Oct 29, 2019·0 cites·16 claims
- 3540US10311390B2Database document generation based on event-based database action recognitionSAP SE·Filed 2016·Granted Jun 4, 2019·0 cites·18 claims
- 3639US8128721B2Intake filter for an internal combustion engine of a motor vehicleMOSER NIKOLAUS·Filed 2010·Granted Mar 6, 2012·0 cites·20 claims
- 3739US2010229513A1Air Filter for Internal Combustion Engines in Motor Vehicles and Method for Producing the FilterMANN & HUMMEL GMBH·Filed 2010·Application pending·0 cites
- 3838US11761808B2Sensor device for detecting electrically conductive media, and method for operating the sensor deviceBOSCH GMBH ROBERT·Filed 2018·Granted Sep 19, 2023·0 cites·12 claims
- 3938US2008201582A1Method for Setting an Electrical Field DeviceSIEMENS AG·Filed 2005·Application pending·0 cites
- 4035US2016051918A1Filter Medium, Particularly an Air Filter Medium and Filter Element, Particularly an Air Filter Element, Having a Filter MediumMANN & HUMMEL GMBH·Filed 2015·Application pending·0 cites
- 4130US2012091865A1Power unit for an electrical steering systemKNOEDLER ANDREAS·Filed 2011·Application pending·0 cites
- 4229US11235715B2Test device for a plug-in connection, control unit, control systemBOSCH GMBH ROBERT·Filed 2018·Granted Feb 1, 2022·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →