Inventor · disambiguated record
Stefan Kellermann
Also filed as: KELLERMANN STEFAN
10 granted patents·3 pending applications·4 citations·filing 2002–2022
77Inventor score
Files withFEDERAL MOGUL VALVETRAIN GMBH8FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH2TRW DEUTSCHLAND GMBH2BAUER RENE1
Top patents by PatentIndex Score
13 records- 0173US12209516B2Armored poppet valve and method for the production thereofFEDERAL MOGUL VALVETRAIN GMBH·Filed 2022·Granted Jan 28, 2025·0 cites·15 claims
- 0263US12049836B2Valve stem seal comprising a valve rotating deviceFEDERAL MOGUL VALVETRAIN GMBH·Filed 2021·Granted Jul 30, 2024·0 cites·15 claims
- 0357US11035262B2Internally cooled poppet valve for internal combustion engineFEDERAL MOGUL VALVETRAIN GMBH·Filed 2017·Granted Jun 15, 2021·0 cites·11 claims
- 0448US11035261B2Inside-cooled disc valve and a semi-finished product and method for its productionFEDERAL MOGUL VALVETRAIN GMBH·Filed 2017·Granted Jun 15, 2021·0 cites·9 claims
- 0548US6684829B2Device to actuate a gas shuttle valve in an internal combustion engineTRW DEUTSCHLAND GMBH·Filed 2002·Granted Feb 3, 2004·4 cites·13 claims
- 0645US12064539B2Medical deviceFRESENIUS MEDICAL CARE DEUTSCHLAND GMBH·Filed 2019·Granted Aug 20, 2024·0 cites·20 claims
- 0745US11305346B2Poppet valve and method of its manufactureFEDERAL MOGUL VALVETRAIN GMBH·Filed 2017·Granted Apr 19, 2022·0 cites·16 claims
- 0841US12251505B2Dialysis device for performing a dialysis treatmentFRESENIUS MEDICAL CARE DEUTSCHLAND GMBH·Filed 2019·Granted Mar 18, 2025·0 cites·10 claims
- 0941US11441454B2Valve for internal combustion engines having a guide vane for coolantFEDERAL MOGUL VALVETRAIN GMBH·Filed 2016·Granted Sep 13, 2022·0 cites·14 claims
- 1037US2012310135A1Blood treatment device and method for adjusting operating parameters of a blood treatment deviceBAUER RENE·Filed 2012·Application pending·0 cites
- 1135US2018347414A1Cooled valve for internal combustion engines having a load relief grooveFEDERAL MOGUL VALVETRAIN GMBH·Filed 2016·Application pending·0 cites
- 1234US2018304344A1Internally cooled valve for internal combustion engines, as well as method and device for the production thereofFEDERAL MOGUL VALVETRAIN GMBH·Filed 2016·Application pending·0 cites
- 1324US6675757B2Intake valve for an internal combustion machineTRW DEUTSCHLAND GMBH·Filed 2002·Granted Jan 13, 2004·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Stefan Kellermann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →