JH

James E. Hart

WB Westinghouse Air Brake: 38 patents #2 of 220Top 1%
AS American Standard: 25 patents #9 of 558Top 2%
WH Wabtec Holding: 2 patents #49 of 164Top 30%
CS Cooper Power Systems: 1 patents #25 of 71Top 40%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 Trafford, PA: #1 of 87 inventorsTop 2%
🗺 Pennsylvania: #313 of 74,527 inventorsTop 1%
Overall (All Time): #27,999 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 1–25 of 72 patents

Patent #TitleCo-InventorsDate
8225001 Feature propagation Adnan S. Jariwala, Jaitirth V. Shirole 2012-07-17
7565916 Pneumatic oscillating valve and pneumatic warning device 2009-07-28
7306294 Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system Thomas H. Engle 2007-12-11
7140477 Automatic parking brake for a rail vehicle Thomas H. Engle, Jason Connell, Joseph Pollono, Andrew Marko 2006-11-28
6776268 Unitized railcar brake equipment 2004-08-17
6763768 Ramp latching mechanism Gary M. Sich, John B. Carroll 2004-07-20
6609769 Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system Thomas H. Engle 2003-08-26
6394559 Control apparatus for the application and release of a hand brake Michael E. Ring, Ronald D. Henry 2002-05-28
6353780 Grade speed control and method for railway freight vehicle 2002-03-05
6213565 Railway electro-pneumatic brake valve and emulation method 2001-04-10
6126247 Computer control of railroad train brake system operation John E. Paul, Michael A. Colbert 2000-10-03
6089262 Retained seat check valve 2000-07-18
6079260 Two-part manual test connector 2000-06-27
6050650 Application solenoid valve for electronically controlled freight train brake system 2000-04-18
5984426 Apparatus and method for a railway freight car brake control 1999-11-16
5941280 Pneumatically driven train brake pipe pressure exhaust valve Angel P. Bezos 1999-08-24
5934765 Electro-pneumatic brake system and controller therefor 1999-08-10
5927822 Freight brake control using train net braking ratio 1999-07-27
5927327 Combination motor pneumatic driven train brake pipe pressure exhaust valve Angel P. Bezos 1999-07-27
5918634 Pneumatically driven train brake pipe pressure exhaust valve Angel P. Bezos 1999-07-06
5881768 Combination motor/pneumatic driven train brake pipe pressure exhaust valve Angel P. Bezos 1999-03-16
5876395 Adjustable athletic support garment and incontinence pad holder Linda W. Hart 1999-03-02
5833325 Freight brake control using train net braking ratio 1998-11-10
5820226 Freight brake control for uniform car deceleration 1998-10-13
5788338 Train brake pipe remote pressure control system and motor-driven regulating valve therefor Gary M. Sich 1998-08-04