Inventor · disambiguated record
Ulf Friesen
Also filed as: FRIESEN ULF
25 granted patents·1 pending application·148 citations·filing 2001–2022
95Inventor score
Files withKNORR BREMSE SYSTEME14FRIESEN ULF2HAEHLE FALK2KNORR BREMSE SYSTEME FUR SCHIENEN FAHRZEUGE GMBH2AURICH STEFAN1
Top patents by PatentIndex Score
26 records- 0189US10583744B2Braking system for a rail vehicleKNORR BREMSE SYSTEME·Filed 2016·Granted Mar 10, 2020·7 cites·24 claims
- 0288US7413061B2Method and device for controlling an electrically actuated wear adjusterKNORR BREMSE SYSTEME·Filed 2003·Granted Aug 19, 2008·24 cites·20 claims
- 0380US8874304B2Method for monitoring the state of a bogie of a railway vehicle comprising at least one wheel setFRIESEN ULF·Filed 2010·Granted Oct 28, 2014·7 cites·26 claims
- 0479US9187103B2Method and device for estimating the temperature of an axle bearing of a wheelset of a rail vehicleFURTWÄNGLER RALF·Filed 2010·Granted Nov 17, 2015·7 cites·11 claims
- 0575US7014019B2Brake actuator comprising an energy accumulator and an inertia weightKNORR BREMSE SYSTEME·Filed 2001·Granted Mar 21, 2006·15 cites·13 claims
- 0674US7055660B2Electromechanical brake applying deviceKNORR BREMSE SYSTEME·Filed 2001·Granted Jun 6, 2006·13 cites·14 claims
- 0773US8577546B2Method and device for monitoring the driving behavior of a railway vehicleGUENTHER FRANK·Filed 2010·Granted Nov 5, 2013·12 cites·18 claims
- 0870US8942903B2Method for predicting the temperature of a wheel bearing of a wheel of a vehicleFRIESEN ULF·Filed 2010·Granted Jan 27, 2015·6 cites·10 claims
- 0969US8276440B2Device for error monitoring of chassis components of rail vehiclesWACH JOERG JOHANNES·Filed 2008·Granted Oct 2, 2012·7 cites·6 claims
- 1069US8234917B2Device and method for error monitoring for undercarriage components of rail vehiclesBURKHART THOMAS·Filed 2008·Granted Aug 7, 2012·6 cites·15 claims
- 1169US6957571B2Electro mechanical brake tightening deviceKNORR BREMSE SYSTEME·Filed 2002·Granted Oct 25, 2005·9 cites·18 claims
- 1268US7234567B2Brake tensioning device comprising shearing force measuring boltKNORR BREMSE SYSTEME·Filed 2003·Granted Jun 26, 2007·9 cites·13 claims
- 1366US11697405B2Method and device for determining braking-related actual values of a rail vehicle for carrying out a deceleration-controlled braking with a central sensor systemKNORR BREMSE SYSTEME·Filed 2018·Granted Jul 11, 2023·1 cites·10 claims
- 1462US8179063B2Traction drive of a rail vehicle for driving and generative brakingHAEHLE FALK·Filed 2007·Granted May 15, 2012·7 cites·7 claims
- 1560US8649921B2Method and electronic device for monitoring the state of components of railway vehiclesHERDEN MARC-OLIVER·Filed 2010·Granted Feb 11, 2014·3 cites·11 claims
- 1655US7419035B2Brake application device comprising an electrically actuated wear-adjusting emergency release and auxiliary release deviceKNORR BREMSE SYSTEME·Filed 2003·Granted Sep 2, 2008·4 cites·18 claims
- 1753US7438163B2Brake application device comprising an electrically actuated device for emergency and auxiliary releaseKNORR BREMSE SYSTEME·Filed 2003·Granted Oct 21, 2008·4 cites·18 claims
- 1852US12304440B2Brake regulating device, braking method, and brake system for a rail vehicleKNORR BREMSE SYSTEME·Filed 2020·Granted May 20, 2025·0 cites·14 claims
- 1949US12049204B2Method and equipment for determining braking-relevant actual values of a rail vehicle for the performance of controlled-retardation braking with distributed sensorsKNORR BREMSE SYSTEME·Filed 2018·Granted Jul 30, 2024·0 cites·9 claims
- 2049US8076878B2Traction drive of a rail vehicle for driving and generative braking with load correctionHAEHLE FALK·Filed 2007·Granted Dec 13, 2011·6 cites·12 claims
- 2146US11787374B2Method for improving the adhesion of a rail vehicle by conditioning selected axle(s)KNORR BREMSE SYSTEME·Filed 2017·Granted Oct 17, 2023·0 cites·9 claims
- 2244US11472450B2Method and control unit for detection of derailment on the basis of wheel speed signalsKNORR BREMSE SYSTEME·Filed 2017·Granted Oct 18, 2022·0 cites·23 claims
- 2343US8276995B2Control device for a rail vehicleAURICH STEFAN·Filed 2006·Granted Oct 2, 2012·1 cites·4 claims
- 2442US12377825B2Method and device for monitoring and influencing the thermal state of a friction brake system of a rail vehicleKNORR BREMSE SYSTEME FUR SCHIENEN FAHRZEUGE GMBH·Filed 2022·Granted Aug 5, 2025·0 cites·21 claims
- 2537US12024140B2Method for calibrating the orientation of an acceleration sensor provided in a vehicleKNORR BREMSE SYSTEME FUR SCHIENEN FAHRZEUGE GMBH·Filed 2020·Granted Jul 2, 2024·0 cites·16 claims
- 2637US2019359189A1Method for maintaining total braking power of a train while taking the available friction conditions into considerationKNORR BREMSE SYSTEME·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →