DD

David Drennen

GO Goodrich: 37 patents #8 of 1,113Top 1%
Delphi Technologies: 17 patents #107 of 4,124Top 3%
General Motors: 8 patents #1,966 of 18,328Top 15%
Hamilton Sundstrand: 1 patents #1,184 of 2,079Top 60%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
Overall (All Time): #33,859 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 25 most recent of 65 patents

Patent #TitleCo-InventorsDate
11181158 Brake position and wear detection systems and methods Kevin Rehfus, Joseph E. Beason 2021-11-23
10830321 Actuator ball screw for improved load sharing Harald Klode, Kevin Rehfus, Satinder Mann, Marc Georgin, Robert French 2020-11-10
10704974 Actuator system with smart load cell Joseph E. Beason, Kevin Rehfus, Albert Keith Pant, Thomas Freshour, Scott Streng 2020-07-07
10605318 Ballscrew assembly Harald Klode 2020-03-31
10578198 Ball screw assembly for aircraft brake Kevin Rehfus, Satinder Mann, Robert French, Harald Klode 2020-03-03
10570974 Brake position and wear detection systems and methods Kevin Rehfus, Joseph E. Beason 2020-02-25
10259433 Electomechanical brake actuator with variable speed epicyclic gearbox Kevin Rehfus, Robert French 2019-04-16
10119870 Actuator drive unit with load cell Kevin Rehfus, Thomas Freshour, Harald Klode, Satinder Mann, Robert French 2018-11-06
10020713 Integral actuator design Harald Klode, Kevin Rehfus 2018-07-10
9995351 Wrap spring park brake system, apparatus and method Harald Klode, Kevin Rehfus 2018-06-12
9926073 Aircraft brake puck assembly Kevin Rehfus 2018-03-27
9929627 Brushless motor with modular position sensor Harald Klode, Kevin Rehfus, Albert Keith Pant, Robert French 2018-03-27
9829402 Actuator system with smart load cell Joseph E. Beason, Kevin Rehfus, Albert Keith Pant, Thomas Freshour, Scott Streng 2017-11-28
9815551 Systems and methods for aircraft braking and taxiing Kevin Rehfus 2017-11-14
9791025 Ball screw assembly for aircraft brake Kevin Rehfus, Satinder Mann, Robert French, Harald Klode 2017-10-17
9757793 Reinforced electromechanical actuator housing Jantzen Hinton, Kevin Rehfus 2017-09-12
9641044 Integral actuator design Harald Klode, Kevin Rehfus 2017-05-02
9638300 Electromechanical actuator proximal position stopping assembly Harald Klode, Kevin Rehfus 2017-05-02
9611923 Ballscrew assembly Harald Klode 2017-04-04
9605723 Aircraft brake actuator assemblies Kevin Rehfus, Harald Klode 2017-03-28
9586678 Bi-stable voice coil park brake Kevin Rehfus, Robert French, Harald Klode 2017-03-07
9562579 Vented EMA with desiccant Kevin Rehfus, Harald Klode 2017-02-07
9548643 Load cell on EMA housing with trim resistors Kevin Rehfus, Joseph E. Beason, Harald Klode, Thomas Freshour, Jantzen Hinton 2017-01-17
9545903 Electromechanical brake actuator with variable speed epicyclic gearbox Kevin Rehfus, Robert French 2017-01-17
9527584 Electromechanically actuated brake with supplemental back drive Kevin Rehfus 2016-12-27