DP

David J. Pfefferl

BS Bendix Commercial Vehicle Systems: 9 patents #41 of 338Top 15%
📍 Broadview Heights, OH: #38 of 293 inventorsTop 15%
🗺 Ohio: #8,027 of 73,341 inventorsTop 15%
Overall (All Time): #494,825 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11624357 Controller apparatus and method for a compressed air system Timothy Carritte, Jason V. Shaffer 2023-04-11
11370405 System, controller and method for air charging Royal Ricky Rodrigues, Thomas S. Miller, JR. 2022-06-28
11016020 Humidity detection for compressed air systems Stephen Howe, Timothy Carritte 2021-05-25
9751514 Air monitoring system 2017-09-05
9688262 Air monitoring system 2017-06-27
9266515 Air dryer purge controller and method Leonard A. Quinn, Andras Sipos, Aaron S. Wilfing, Cory Hamilton 2016-02-23
8718848 State of charge adjusted compressor control Mark A. Matko, Marv Hamdan 2014-05-06
8543273 Cruise control with braking activated brake regeneration 2013-09-24
8467950 Air demand adjusted compressor control Mark A. Matko, Majed M. Hamdan 2013-06-18
8308441 Robust PID control for BLDC motor controller Marv Hamdan 2012-11-13