DS

David E. Schweikert

WB Westinghouse Air Brake: 9 patents #62 of 220Top 30%
WH Wabtec Holding: 3 patents #32 of 164Top 20%
Overall (All Time): #424,347 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7661770 Pneumatic emergency brake assurance module James A. Wood, Robert N. Scharpf 2010-02-16
7520574 Pneumatic emergency brake release timer Robert N. Scharpf, James A. Wood 2009-04-21
7374252 Wheel slip brake assurance module Robert N. Scharpf, James A. Wood 2008-05-20
7133796 Smart resolution valve pressure control James A. Wood 2006-11-07
6901341 Smart resolution valve pressure control James A. Wood 2005-05-31
6847869 Software based brake shoe wear determination James T. Dewberry, Robert N. Scharpf 2005-01-25
6799132 Smart resolution valve pressure control James A. Wood 2004-09-28
6739675 Brake effort monitor Robert N. Scharpf, James T. Dewberry 2004-05-25
5975656 Universal wheel slip force control logic James A. Wood 1999-11-02
5961564 Wheel slip control parameter variation process James A. Wood 1999-10-05
5790427 Event history data acquisition David A. Greer 1998-08-04
5740043 Relative spin speed traction control James A. Wood, David A. Greer 1998-04-14