DB

David C. Brabb

WB Westinghouse Air Brake: 6 patents #129 of 220Top 60%
SA Sharma & Associates: 4 patents #1 of 10Top 10%
TG Trinity Rail Group: 1 patents #29 of 49Top 60%
Overall (All Time): #412,879 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11198454 Torque box Robert S. Trent, Anand Prabhakaran 2021-12-14
9187066 Electrically driven set and release hand brake for rail cars Anand R. Vithani, Kenneth L. Martin, Howard Sommerfeld, Graydon Booth 2015-11-17
8839915 Railway freight car hand brake sensor Anand R. Vithani 2014-09-23
7624687 Truck apparatus for railway cars Anand R. Vithani, Anand Prabhakaran, Som P. Singh 2009-12-01
7562781 Automatic cut lever apparatus Harish K. Kandoth-Kannoth, Anand R. Vithani, Robert S. Trent 2009-07-21
7497345 Apparatus for railway freight car coupler knuckle Harish K. Kandoth-Kannoth, Anand R. Vithani 2009-03-03
7011190 Hand brake assembly for an ankle motion III truck bogie Michael J. Moriarity, Howard Sommerfeld, Anand Prabhakaran 2006-03-14
6619452 Housing for a hand brake mechanism Wajih Kanjo 2003-09-16
6540049 Gradual release mechanism for a railway car hand brake Michael E. Ring, Wajih Kanjo, Alfonso Barajas 2003-04-01
6474450 Mechanical sensor for a quick release hand brake Michael E. Ring 2002-11-05
6298749 Jointed hand brake release handle W. Kurt Stroer, Howard Sommerfeld 2001-10-09
6279696 Suspension system for a truck mounted brake assembly David W. Daugherty, Jr., Michael E. Ring, Michael J. Moriarity, Scott Natschke 2001-08-28