Assignee
ZAHNRADFABRIK FRIEDRICHSHAFEN
DE·3,143 granted patents·1,169 pending applications·26,670 citations·filing 1973–2025
Top patents by PatentIndex Score
4,312 records- 0199US9759291B2Multi-speed automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2016·Granted Sep 12, 2017·32 cites·13 claims
- 0299US8574114B210-gear automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Nov 5, 2013·84 cites·14 claims
- 0399US7566283B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jul 28, 2009·135 cites·21 claims
- 0499US7556582B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jul 7, 2009·123 cites·21 claims
- 0599US7549942B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jun 23, 2009·180 cites·21 claims
- 0699US7018319B2Multistep gearZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2005·Granted Mar 28, 2006·365 cites·6 claims
- 0799US6991578B2Multistep gearZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Jan 31, 2006·334 cites·14 claims
- 0899US6960149B2Multistep reduction gearZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Nov 1, 2005·282 cites·28 claims
- 0999US6634980B1Multi-step gearZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2000·Granted Oct 21, 2003·332 cites·26 claims
- 1098US8992373B2Multi-stage planetary vehicle transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Mar 31, 2015·46 cites·17 claims
- 1198US8663055B210-gear automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Mar 4, 2014·55 cites·10 claims
- 1298US7789792B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2005·Granted Sep 7, 2010·87 cites·19 claims
- 1398US7699743B2Multi-step transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Apr 20, 2010·84 cites·41 claims
- 1498US7632206B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Dec 15, 2009·109 cites·21 claims
- 1598US7575533B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Aug 18, 2009·117 cites·21 claims
- 1698US7405557B2Ball-and-socket joint with an angle sensorZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Jul 29, 2008·76 cites·20 claims
- 1798US7278949B2Planetary transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Oct 9, 2007·1.4k cites·14 claims
- 1898US6860831B2Multi-stage transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Mar 1, 2005·103 cites·6 claims
- 1998US5887690AClutch arrangementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1995·Granted Mar 30, 1999·98 cites·5 claims
- 2097US11815169B2Transmission, drive train and vehicle having a transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted Nov 14, 2023·6 cites·20 claims
- 2197US11124064B2Drive unit for an electric vehicle and drive axle with a drive unitZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted Sep 21, 2021·23 cites·26 claims
- 2297US9599195B2Multi-speed gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Mar 21, 2017·35 cites·16 claims
- 2397US9568069B2Transmission for a motor vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2014·Granted Feb 14, 2017·42 cites·38 claims
- 2497US9423006B2Multi-stage planetary vehicle transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Aug 23, 2016·36 cites·14 claims
- 2597US9039562B2Multi-speed gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted May 26, 2015·38 cites·16 claims
- 2697US8382634B2Multistage transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2011·Granted Feb 26, 2013·85 cites·13 claims
- 2797US7841799B2Ball pivotZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2009·Granted Nov 30, 2010·22 cites·20 claims
- 2897US7429230B2Multi-stage automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Sep 30, 2008·77 cites·23 claims
- 2997US7287442B2Six-gear or seven-gear dual-clutch transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Oct 30, 2007·60 cites·19 claims
- 3097US7288044B2Transmission, in particular an automated power-branched multi-speed gearingZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Oct 30, 2007·69 cites·6 claims
- 3197US7231843B2Double clutch transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2005·Granted Jun 19, 2007·52 cites·18 claims
- 3297US6984187B2Multi-stage gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Jan 10, 2006·323 cites·13 claims
- 3397US5030181AArrangement of an electromagnet coupling gearZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1988·Granted Jul 9, 1991·126 cites·17 claims
- 3496US11668380B2Electric vehicle transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2022·Granted Jun 6, 2023·4 cites·14 claims
- 3596US11652021B2Power module having packaged power semiconductors for the controllable supply of electric power to a loadZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted May 16, 2023·4 cites·15 claims
- 3696US11472277B2Drive arrangement for an electric vehicle and method for power shiftingZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted Oct 18, 2022·9 cites·21 claims
- 3796US11353091B2Drive arrangement for a vehicle and method to perform gear changesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted Jun 7, 2022·5 cites·14 claims
- 3896US11135914B2Drive axle for electric vehiclesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted Oct 5, 2021·9 cites·27 claims
- 3996US8708862B2Planetary gear type multi-stage transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2013·Granted Apr 29, 2014·78 cites·9 claims
- 4096US8696506B2Device for a drivetrain of a hybrid vehicle, drivetrain and method for operating the sameZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2012·Granted Apr 15, 2014·27 cites·16 claims
- 4196US7951043B2Method and device for controlling the oil supply of an automatic gearbox and a starting elementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted May 31, 2011·40 cites·12 claims
- 4296US7645207B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jan 12, 2010·35 cites·33 claims
- 4396US7621840B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Nov 24, 2009·34 cites·32 claims
- 4496US7597646B2Multi-speed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Oct 6, 2009·38 cites·32 claims
- 4596US7469910B2Spring carrier with adustable spring collarZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Dec 30, 2008·127 cites·18 claims
- 4696US7170285B2Ball and socket joint with pivoting angle sensor for detecting the relative angular position of the joint housing and the ball pivotZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2005·Granted Jan 30, 2007·66 cites·22 claims
- 4796US7155994B2Six-gear or seven-gear dual-clutch transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Jan 2, 2007·50 cites·19 claims
- 4896US6855085B1Continuously variable vehicle transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2000·Granted Feb 15, 2005·64 cites·18 claims
- 4996US6619615B1Propotional control pressure valveZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2000·Granted Sep 16, 2003·132 cites·16 claims
- 5096US4270647ALubricating oil flow control device, especially for a speed-change transmission operating in an oil bathZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1979·Granted Jun 2, 1981·73 cites·1 claims
Showing the top 50 of 4,312 patent records by PatentIndex Score.
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