Inventor · disambiguated record
Stefan Stark
Also filed as: STARK STEFAN
50 granted patents·8 pending applications·491 citations·filing 1993–2024
98Inventor score
Top patents by PatentIndex Score
58 records- 0193USD409546SFront face of a vehicle wheelPORSCHE AG·Filed 1998·Granted May 11, 1999·53 cites·1 claims
- 0293USD356772SFront end of a sports carPORSCHE AG·Filed 1993·Granted Mar 28, 1995·45 cites·1 claims
- 0391US8947983B2Dial for a timepieceETA SA MFT HORLOGERE SUISSE·Filed 2013·Granted Feb 3, 2015·7 cites·19 claims
- 0490USD612563SForklift, toy, or likeness thereofPORSCHE AG·Filed 2008·Granted Mar 23, 2010·44 cites·1 claims
- 0589USD583124SForkliftPORSCHE AG·Filed 2007·Granted Dec 16, 2008·41 cites·1 claims
- 0689USD356757SSports car bodyPORSCHE AG·Filed 1993·Granted Mar 28, 1995·33 cites·1 claims
- 0785US12232443B2Height adjustment device and robotic mower comprising a height adjustment deviceHUSQVARNA AB·Filed 2021·Granted Feb 25, 2025·1 cites·12 claims
- 0885USD518268SSurface configuration of a forklift, toy and/or other replicasPORSCHE AG·Filed 2004·Granted Mar 28, 2006·32 cites·1 claims
- 0985US5778649APower-driven hedge trimmerELECTROLUX AB·Filed 1996·Granted Jul 14, 1998·56 cites·9 claims
- 1084US11781655B2Sealing member and sealing system comprising the sealing memberHUSQVARNA AB·Filed 2021·Granted Oct 10, 2023·1 cites·20 claims
- 1183USD363561SSports car headlampPORSCHE AG·Filed 1993·Granted Oct 24, 1995·24 cites·1 claims
- 1280US8844477B2Hand-held work apparatus powered by internal combustion engineSTARK STEFAN·Filed 2010·Granted Sep 30, 2014·8 cites·17 claims
- 1377USD535805SSurface configuration of a forklift, toy, and/or other replicasPORSCHE AG·Filed 2005·Granted Jan 23, 2007·23 cites·1 claims
- 1477USD370761SHigh-lift truckPORSCHE AG·Filed 1994·Granted Jun 11, 1996·18 cites·1 claims
- 1566US9156183B2Chainsaw arrangementANDERSSON MATS·Filed 2011·Granted Oct 13, 2015·4 cites·14 claims
- 1664USD720114SFork-lift truckPORSCHE AG·Filed 2014·Granted Dec 23, 2014·12 cites·1 claims
- 1762US2025028282A1Analogue display elementETA SA MFT HORLOGERE SUISSE·Filed 2024·Application pending·0 cites
- 1861USD584024SSurface configuration of a forklift, toy, and/or other replicasPORSCHE AG·Filed 2006·Granted Dec 30, 2008·12 cites·1 claims
- 1960USD587423SSurface configuration of a forklift, toy, and/or other replicasH C F PORSCHE AKTIENGESSELLSCH·Filed 2008·Granted Feb 24, 2009·8 cites·1 claims
- 2059US8282137B2End piece for a corrugated hose and parts set containing such an end pieceSTARK STEFAN·Filed 2011·Granted Oct 9, 2012·1 cites·17 claims
- 2159USD570575SForklift, toy and/or other replicasPORSCHE AG·Filed 2006·Granted Jun 3, 2008·11 cites·1 claims
- 2259US2025028283A1System for attaching a display elementETA SA MFT HORLOGERE SUISSE·Filed 2024·Application pending·0 cites
- 2358USD587424SSurface configuration of a forklift, toy, and/or other replicasPORSCHE AG·Filed 2008·Granted Feb 24, 2009·7 cites·1 claims
- 2458US2023162818A1Methods of determining correspondences between biological properties of cellsETH ZUERICH·Filed 2021·Application pending·0 cites
- 2557US12185439B2Primary side switched converter for providing a voltage supply to an LED loadTRIDONIC GMBH & CO KG·Filed 2021·Granted Dec 31, 2024·0 cites·13 claims
- 2655US11864292B2Isolated converter with improved current sensingTRIDONIC GMBH & CO KG·Filed 2021·Granted Jan 2, 2024·0 cites·16 claims
- 2755US9631304B2Variable timing system of a sewing machine and method for selectively adjusting a timing of such a systemSINGER SOURCING LTD LLC·Filed 2014·Granted Apr 25, 2017·1 cites·26 claims
- 2854US11868093B2Method and system for manufacturing a timepiece provided with a personalized decorationETA SA MFT HORLOGERE SUISSE·Filed 2019·Granted Jan 9, 2024·0 cites·19 claims
- 2954US11784558B2LLC stage for LED driversTRIDONIC GMBH & CO KG·Filed 2020·Granted Oct 10, 2023·0 cites·13 claims
- 3053USD778522SFork-lift truckPORSCHE AG·Filed 2015·Granted Feb 7, 2017·6 cites·1 claims
- 3152USD818239SForklift truckPORSCHE AG·Filed 2017·Granted May 15, 2018·5 cites·1 claims
- 3252US9091235B2Air inlet system for an internal combustion engineSTARK STEFAN·Filed 2010·Granted Jul 28, 2015·1 cites·20 claims
- 3352USD575923SSurface configuration of a forklift, toy, and/or other replicasPORSCHE AG·Filed 2006·Granted Aug 26, 2008·7 cites·1 claims
- 3452US2012055034A1Chainsaw arrangementANDERSSON MATS·Filed 2009·Application pending·0 cites
- 3551USD589674SSurface configuration of a forklift, toy, and/or other replicasPORSCHE AG·Filed 2008·Granted Mar 31, 2009·6 cites·1 claims
- 3651USD587422SSurface configuration of a forklift, toy, and/or other replicasPORSCHE AG·Filed 2008·Granted Feb 24, 2009·5 cites·1 claims
- 3750US12040719B2Isolated primary side switched converterTRIDONIC GMBH & CO KG·Filed 2020·Granted Jul 16, 2024·0 cites·10 claims
- 3849US11758631B2Synchronous flyback converter for driving LED loadsTRIDONIC GMBH & CO KG·Filed 2020·Granted Sep 12, 2023·0 cites·10 claims
- 3948US11737188B2LED-driver with PFC and wired bus interfaceTRIDONIC GMBH & CO KG·Filed 2020·Granted Aug 22, 2023·0 cites·11 claims
- 4047US11897113B2Hand held power tool with a human machine interfaceHUSQVARNA AB·Filed 2019·Granted Feb 13, 2024·0 cites·19 claims
- 4146USRE47046EFlip up capHUSQVARNA AB·Filed 2010·Granted Sep 18, 2018·0 cites·40 claims
- 4246US2014310965A1Hand guard for chainsawHUSQVARNA AB·Filed 2014·Application pending·0 cites
- 4345US11980124B2Robotic lawn mower with sensor for detecting relative movement between body parts of the lawn mowerHUSQVARNA AB·Filed 2019·Granted May 14, 2024·0 cites·17 claims
- 4445US9260008B2Flip up capMARTINSSON PäR·Filed 2010·Granted Feb 16, 2016·0 cites·14 claims
- 4544USD601773SSurface configuration of a forklift, toy, and /or other replicasPORSCHE AG·Filed 2008·Granted Oct 6, 2009·3 cites·1 claims
- 4644US2019061864A1Height-adjustable steering device for small vehiclesBRAKE FORCE ONE GMBH·Filed 2018·Application pending·0 cites
- 4743USD778523SFork-lift truckPORSCHE AG·Filed 2015·Granted Feb 7, 2017·3 cites·1 claims
- 4840USD818238SForklift truckPORSCHE AG·Filed 2017·Granted May 15, 2018·2 cites·1 claims
- 4939US2025024572A1Programmable blanking for asynchronous driver breakTRIDONIC GMBH & CO KG·Filed 2022·Application pending·0 cites
- 5036USD776898SForklift mast mountingPORSCHE AG·Filed 2014·Granted Jan 17, 2017·2 cites·1 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →