Inventor · disambiguated record
David Drennen
Also filed as: DRENNEN DAVID · DRENNEN DAVID B · DRENNEN DAVID BERNARD
65 granted patents·14 pending applications·733 citations·filing 1991–2019
99Inventor score
Top patents by PatentIndex Score
79 records- 0197US6412610B1Electric brake caliperDELPHI TECH INC·Filed 2000·Granted Jul 2, 2002·52 cites·13 claims
- 0296US9829402B2Actuator system with smart load cellGOODRICH CORP·Filed 2015·Granted Nov 28, 2017·15 cites·11 claims
- 0396US6626270B2Caliper with internal motorDELPHI TECH INC·Filed 2001·Granted Sep 30, 2003·50 cites·14 claims
- 0495US6511135B2Disk brake mounting bracket and high gain torque sensorDELPHI TECH INC·Filed 2000·Granted Jan 28, 2003·57 cites·24 claims
- 0593US9527584B2Electromechanically actuated brake with supplemental back driveGOODRICH CORP·Filed 2015·Granted Dec 27, 2016·6 cites·12 claims
- 0693US6668983B2Wheel brake caliper with integral brake pad torque sensingDELPHI TECH INC·Filed 2001·Granted Dec 30, 2003·34 cites·24 claims
- 0793US5667283AVariable screw-driven systemGEN MOTORS CORP·Filed 1996·Granted Sep 16, 1997·71 cites·12 claims
- 0892US9586678B2Bi-stable voice coil park brakeGOODRICH CORP·Filed 2015·Granted Mar 7, 2017·6 cites·15 claims
- 0992US9273738B2Belt park brake and methodsGOODRICH CORP·Filed 2014·Granted Mar 1, 2016·8 cites·15 claims
- 1092US9254913B2Hybrid braking system and apparatusGOODRICH CORP·Filed 2013·Granted Feb 9, 2016·9 cites·19 claims
- 1192US6574959B2Electric brake booster with unrestricted manual push throughDELPHI TECH INC·Filed 2001·Granted Jun 10, 2003·33 cites·20 claims
- 1291US6367593B1Electric caliper having splined ball screwDELPHI TECH INC·Filed 2001·Granted Apr 9, 2002·30 cites·20 claims
- 1390US9605723B2Aircraft brake actuator assembliesGOODRICH CORP·Filed 2015·Granted Mar 28, 2017·4 cites·17 claims
- 1490US9221440B2Electromechanical actuator strain gauge temperature compensation deviceGOODRICH CORP·Filed 2013·Granted Dec 29, 2015·8 cites·11 claims
- 1590US6139460AElectric caliperDELPHI TECH INC·Filed 1999·Granted Oct 31, 2000·43 cites·14 claims
- 1689US9815551B2Systems and methods for aircraft braking and taxiingGOODRICH CORP·Filed 2015·Granted Nov 14, 2017·7 cites·19 claims
- 1789US9545903B2Electromechanical brake actuator with variable speed epicyclic gearboxGOODRICH CORP·Filed 2015·Granted Jan 17, 2017·4 cites·6 claims
- 1886US6481543B1Zero drag disc brake with anti-knock-back deviceDELPHI TECH INC·Filed 2000·Granted Nov 19, 2002·20 cites·9 claims
- 1985US9308990B2Voice coil linear activated park brakeGOODRICH CORP·Filed 2014·Granted Apr 12, 2016·5 cites·14 claims
- 2084US9929627B2Brushless motor with modular position sensorGOODRICH CORP·Filed 2014·Granted Mar 27, 2018·5 cites·14 claims
- 2183US9297430B2Wrap spring park brake system, apparatus and methodGOODRICH CORP·Filed 2013·Granted Mar 29, 2016·4 cites·8 claims
- 2283US6550598B2Electric park brakeDELPHI TECH INC·Filed 2001·Granted Apr 22, 2003·17 cites·14 claims
- 2382US6626269B2Zero drag disc brake with anti-knock-back deviceDELPHI TECH INC·Filed 2001·Granted Sep 30, 2003·17 cites·5 claims
- 2482US6390247B1Electric caliper with eccentric lever driveDELPHI TECH INC·Filed 2000·Granted May 21, 2002·18 cites·8 claims
- 2581US10119870B2Actuator drive unit with load cellGOODRICH CORP·Filed 2016·Granted Nov 6, 2018·2 cites·17 claims
- 2680US6435320B1Solenoid based park brake methodDELPHI TECH INC·Filed 2001·Granted Aug 20, 2002·15 cites·8 claims
- 2777US6024422ALarge displacement variable pitch screw-driven systemGEN MOTORS CORP·Filed 1997·Granted Feb 15, 2000·40 cites·11 claims
- 2876US9548643B2Load cell on EMA housing with trim resistorsGOODRICH CORP·Filed 2013·Granted Jan 17, 2017·3 cites·15 claims
- 2976US6802398B2Manual cable release apparatus for a motor actuated park brake for a vehicleDELPHI TECH INC·Filed 2002·Granted Oct 12, 2004·13 cites·15 claims
- 3075US9140321B2Internal park brake system, apparatus, and methodGOODRICH CORP·Filed 2013·Granted Sep 22, 2015·2 cites·9 claims
- 3173US9926073B2Aircraft brake puck assemblyGOODRICH CORP·Filed 2014·Granted Mar 27, 2018·2 cites·14 claims
- 3273US9482325B2Systems and methods for load cell and multi-row thrust bearing integration with ball screw and actuator drive unit housingGOODRICH CORP·Filed 2013·Granted Nov 1, 2016·2 cites·20 claims
- 3373US8402852B2Ballscrew assemblyKLODE HARALD·Filed 2011·Granted Mar 26, 2013·2 cites·15 claims
- 3472US10259433B2Electomechanical brake actuator with variable speed epicyclic gearboxGOODRICH CORP·Filed 2016·Granted Apr 16, 2019·1 cites·8 claims
- 3572US9359069B2Apparatus and system for aircraft park brake systemsGOODRICH CORP·Filed 2014·Granted Jun 7, 2016·2 cites·14 claims
- 3672US9004233B2Combined thrust bearing/load cell for brake actuatorsGOODRICH CORP·Filed 2012·Granted Apr 14, 2015·3 cites·18 claims
- 3767US11181158B2Brake position and wear detection systems and methodsGOODRICH CORP·Filed 2019·Granted Nov 23, 2021·0 cites·4 claims
- 3867US6813970B2Ball-nut assembly and method for makingDELPHI TECH INC·Filed 2001·Granted Nov 9, 2004·10 cites·6 claims
- 3965US9641044B2Integral actuator designGOODRICH CORP·Filed 2013·Granted May 2, 2017·1 cites·7 claims
- 4065US9482326B2Electromechanical actuatorGOODRICH CORP·Filed 2013·Granted Nov 1, 2016·1 cites·8 claims
- 4164US9791025B2Ball screw assembly for aircraft brakeGOODRICH CORP·Filed 2014·Granted Oct 17, 2017·1 cites·9 claims
- 4264US7267616B2Method for making a ball-nut and method for making a ball-screwDELPHI TECH INC·Filed 2005·Granted Sep 11, 2007·4 cites·20 claims
- 4363US10020713B2Integral actuator designGOODRICH CORP·Filed 2017·Granted Jul 10, 2018·0 cites·20 claims
- 4463US5377798AClutch plate with blocking wall for a viscous fluid clutchGEN MOTORS CORP·Filed 1993·Granted Jan 3, 1995·17 cites·5 claims
- 4562US10605318B2Ballscrew assemblyGOODRICH CORP·Filed 2017·Granted Mar 31, 2020·0 cites·5 claims
- 4661US9360095B2Electromechanical actuator distal position stopping assemblyGOODRICH CORP·Filed 2013·Granted Jun 7, 2016·1 cites·15 claims
- 4761US9328809B2Ballscrew assembly having a low friction sleeveGOODRICH CORP·Filed 2013·Granted May 3, 2016·1 cites·20 claims
- 4861US6401879B1Electric park brake actuator (electric caliper)DELPHI TECH INC·Filed 2001·Granted Jun 11, 2002·19 cites·6 claims
- 4960US5667284AManually backdrivable ball screw assisted braking systemGEN MOTORS CORP·Filed 1996·Granted Sep 16, 1997·16 cites·8 claims
- 5059US10704974B2Actuator system with smart load cellGOODRICH CORP·Filed 2017·Granted Jul 7, 2020·0 cites·6 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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