Inventor · disambiguated record
Theodor Gassmann
Also filed as: GASMANN THEODOR · GASSMANN THEODOR
63 granted patents·6 pending applications·842 citations·filing 1994–2021
99Inventor score
Files withGKN AUTOMOTIVE LTD15GKN DRIVELINE INT GMBH15GKN AUTOMOTIVE INC8GKN AUTOMOTIVE AG7GKN VISCODRIVE GMBH7
Top patents by PatentIndex Score
69 records- 0198US6533090B2Integrated axle module with twin electronic torque managementGKN AUTOMOTIVE INC·Filed 2001·Granted Mar 18, 2003·102 cites·20 claims
- 0297US9435415B2Electric drive for a motor vehicleGKN DRIVELINE INT GMBH·Filed 2015·Granted Sep 6, 2016·12 cites·18 claims
- 0397US5632185AAxle drive for distributing torqueGKN VISCODRIVE GMBH·Filed 1995·Granted May 27, 1997·85 cites·21 claims
- 0494US7338404B2Drive assembly for variable torque distributionGKN DRIVELINE INT GMBH·Filed 2005·Granted Mar 4, 2008·31 cites·28 claims
- 0594US6394246B1Twin-coupling with improved braking stability and less torsionGKN VISCODRIVE GMBH·Filed 1999·Granted May 28, 2002·63 cites·10 claims
- 0694US6318532B1Externally controlled hydraulic torque transfer deviceGKN AUTOMOTIVE INC·Filed 2000·Granted Nov 20, 2001·37 cites·20 claims
- 0793US10320277B2Electric drive assemblyGKN AUTOMOTIVE LTD·Filed 2016·Granted Jun 11, 2019·6 cites·19 claims
- 0893US6571928B1Engagement mechanism with two stage ramp angleGKN AUTOMOTIVE INC·Filed 2001·Granted Jun 3, 2003·41 cites·19 claims
- 0992US9951850B2Drive assembly for an electric driveGKN DRIVELINE INT GMBH·Filed 2015·Granted Apr 24, 2018·18 cites·18 claims
- 1092US8992366B2Electric drive for a motor vehicleGASSMANN THEODOR·Filed 2010·Granted Mar 31, 2015·14 cites·16 claims
- 1190US9039559B2Electric drive for a motor vehicleGASSMANN THEODOR·Filed 2010·Granted May 26, 2015·14 cites·6 claims
- 1289US7442143B2Drive module for a variable torque distributionGKN DRIVELINE INT GMBH·Filed 2005·Granted Oct 28, 2008·17 cites·18 claims
- 1388US9643490B2Drive assembly with electric machine and motor vehicle having such a drive assemblyGKN DRIVELINE INT GMBH·Filed 2013·Granted May 9, 2017·12 cites·14 claims
- 1488US8840506B2Parking lock for a motor vehicle and method of operating a parking lockSCHWEKUTSCH MICHAEL·Filed 2010·Granted Sep 23, 2014·9 cites·11 claims
- 1588US5690201AMethod and device for controlling a couplingGKN VISCODRIVE GMBH·Filed 1996·Granted Nov 25, 1997·43 cites·22 claims
- 1687US10094461B2Transmission assembly and electric drive having such a transmission assemblyGKN AUTOMOTIVE LTD·Filed 2016·Granted Oct 9, 2018·5 cites·16 claims
- 1786US12276335B2Lubrication for an electric drive arrangement for a vehicleGKN AUTOMOTIVE LTD·Filed 2021·Granted Apr 15, 2025·2 cites·16 claims
- 1886US7946402B2Motor vehicle hydraulic pumpGKN DRIVELINE INT GMBH·Filed 2007·Granted May 24, 2011·11 cites·11 claims
- 1983US7806797B2Ball ramp assembly with variable pitch of the ball groovesGKN DRIVELINE INT GMBH·Filed 2006·Granted Oct 5, 2010·12 cites·19 claims
- 2079US12473970B2Electric drive arrangement for a vehicleGKN AUTOMOTIVE LTD·Filed 2021·Granted Nov 18, 2025·1 cites·16 claims
- 2178US7699740B2Friction coupling with actuator and plate springGKN DRIVELINE INT GMBH·Filed 2006·Granted Apr 20, 2010·8 cites·16 claims
- 2277US8739953B2Actuating assemblyGASSMANN THEODOR·Filed 2010·Granted Jun 3, 2014·4 cites·25 claims
- 2375US11454288B2Actuator assembly for clutch assembly for vehicle power trainGKN AUTOMOTIVE LTD·Filed 2019·Granted Sep 27, 2022·1 cites·16 claims
- 2475US6851501B2Full time all wheel drive systemGKN DRIVELINE NORTH AMERICA·Filed 2001·Granted Feb 8, 2005·24 cites·10 claims
- 2573US5526912AMethod of and device for controlling a couplingGKN AUTOMOTIVE AG·Filed 1994·Granted Jun 18, 1996·30 cites·62 claims
- 2672US8517883B2Transmission assembly for variable torque distributionGASSMANN THEODOR·Filed 2006·Granted Aug 27, 2013·6 cites·20 claims
- 2772US7156766B2Differential assembly for controlling the distribution of torqueGKN DRIVELINE INT GMBH·Filed 2004·Granted Jan 2, 2007·13 cites·29 claims
- 2870US6209673B1All wheel drive system for a motor vehicleGKN AUTOMOTIVE INC·Filed 1999·Granted Apr 3, 2001·21 cites·5 claims
- 2970US5556343AMethod and device for controlling a couplingGKN AUTOMOTIVE AG·Filed 1994·Granted Sep 17, 1996·21 cites·51 claims
- 3069US9028357B2Power transfer unit shaft inputPEURA BRENT MICHAEL·Filed 2010·Granted May 12, 2015·4 cites·19 claims
- 3169US5518095ACoupling for transmitting torqueGKN AUTOMOTIVE AG·Filed 1994·Granted May 21, 1996·20 cites·6 claims
- 3267US8596439B2Hydraulic assembly for a force-operated setting unitGASSMANN THEODOR·Filed 2008·Granted Dec 3, 2013·2 cites·14 claims
- 3366US7846056B2Drive assembly with intermediate shaft and coupling unitGKN DRIVELINE INT GMBH·Filed 2007·Granted Dec 7, 2010·7 cites·22 claims
- 3464US8535194B2Coupling assembly and driveline assembly for a motor vehicle with multiple driven axlesJUENEMANN PETER·Filed 2009·Granted Sep 17, 2013·8 cites·19 claims
- 3563US5935036AMethod and device for controlling a couplingGKN AUTOMOTIVE AG·Filed 1995·Granted Aug 10, 1999·17 cites·44 claims
- 3663US5706923AMethod of and device for controlling a couplingGKN AUTOMOTIVE AG·Filed 1996·Granted Jan 13, 1998·14 cites·5 claims
- 3762US7713158B2Transfer box with crown teethGKN DRIVELINE INT GMBH·Filed 2004·Granted May 11, 2010·9 cites·11 claims
- 3861US8661942B2Angle drive assemblySCHWEKUTSCH MICHAEL·Filed 2010·Granted Mar 4, 2014·2 cites·18 claims
- 3961US6592488B2Integrated viscous transmission in a differentialGKN AUTOMOTIVE INC·Filed 2002·Granted Jul 15, 2003·11 cites·11 claims
- 4060US6286391B1Torque-sensing locking differential with reduced partsGKN VISCODRVIE GMBH·Filed 1999·Granted Sep 11, 2001·19 cites·5 claims
- 4158US12510148B2Electric drive for a vehicleGKN AUTOMOTIVE LTD·Filed 2021·Granted Dec 30, 2025·0 cites·16 claims
- 4258US6116392ACoupling device for transmitting torqueGKN VISCODRIVE GMBH·Filed 1999·Granted Sep 12, 2000·14 cites·6 claims
- 4356US6412589B1Torque arm assembly for a motor vehicleGKN AUTOMOTIVE INC·Filed 2000·Granted Jul 2, 2002·10 cites·7 claims
- 4455US11701960B2Actuator arrangement and transmission arrangementGKN AUTOMOTIVE LTD·Filed 2020·Granted Jul 18, 2023·0 cites·15 claims
- 4553US10962096B2Lockable differential transmissionGKN AUTOMOTIVE LTD·Filed 2016·Granted Mar 30, 2021·0 cites·12 claims
- 4652US6299538B1Differential-speed-controlled transmitting couplingGKN VISCODRIVE GMBH·Filed 1999·Granted Oct 9, 2001·11 cites·18 claims
- 4750US11480248B2Actuator and lubricant supply for a motor vehicleGKN AUTOMOTIVE LTD·Filed 2018·Granted Oct 25, 2022·0 cites·14 claims
- 4850US5881849AViscous coupling with stepped torque curveGKN VISCODRIVE GMBH·Filed 1997·Granted Mar 16, 1999·10 cites·6 claims
- 4949US10508737B2Multi-step transmission and control thereofGKN AUTOMOTIVE LTD·Filed 2016·Granted Dec 17, 2019·0 cites·16 claims
- 5046US7677374B2Axial setting device with torque determining meansGKN DRIVELINE INT GMBH·Filed 2003·Granted Mar 16, 2010·1 cites·21 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Theodor Gassmann 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 →