| Patent | Date |
|---|
Feature propagation
Grant 8,225,001 - Hart , et al. July 17, 2 | 2012-07-17 |
Portable System for Auto Var Testing
App 20120004876 - Hart; James E. ; et al. | 2012-01-05 |
Feature Propagation
App 20110167117 - HART; JAMES E. ; et al. | 2011-07-07 |
Pneumatic oscillating valve and pneumatic warning device
Grant 7,565,916 - Hart July 28, 2 | 2009-07-28 |
Automatic parking brake for a rail vehicle
Grant 7,140,477 - Engle , et al. November 28, 2 | 2006-11-28 |
Pneumatic oscillating valve and pneumatic warning device
App 20060157120 - Hart; James E. | 2006-07-20 |
Automatic parking brake for a rail vehicle
App 20050082126 - Engle, Thomas H. ; et al. | 2005-04-21 |
Unitized railcar brake equipment
App 20050001471 - Hart, James E. | 2005-01-06 |
Unitized railcar brake equipment
Grant 6,776,268 - Hart August 17, 2 | 2004-08-17 |
Ramp latching mechanism
Grant 6,763,768 - Hart , et al. July 20, 2 | 2004-07-20 |
Ramp Latching Mechanism
App 20040118314 - Hart, James E. ; et al. | 2004-06-24 |
Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system
App 20030193237 - Hart, James E. ; et al. | 2003-10-16 |
Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system
Grant 6,609,769 - Hart , et al. August 26, 2 | 2003-08-26 |
Unitized railcar brake equipment
App 20030085084 - Hart, James E. | 2003-05-08 |
Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system
App 20020038976 - Hart, James E. ; et al. | 2002-04-04 |
Railway electro-pneumatic brake valve and emulation method
Grant 6,213,565 - Hart April 10, 2 | 2001-04-10 |
Computer control of railroad train brake system operation
Grant 6,126,247 - Paul , et al. October 3, 2 | 2000-10-03 |
Retained seat check valve
Grant 6,089,262 - Hart July 18, 2 | 2000-07-18 |
Pneumatically driven train brake pipe pressure exhaust valve
Grant 5,941,280 - Hart , et al. August 24, 1 | 1999-08-24 |
Combination motor pneumatic driven train brake pipe pressure exhaust valve
Grant 5,927,327 - Bezos , et al. July 27, 1 | 1999-07-27 |
Freight brake control using train net braking ratio
Grant 5,927,822 - Hart July 27, 1 | 1999-07-27 |
Pneumatically driven train brake pipe pressure exhaust valve
Grant 5,918,634 - Hart , et al. July 6, 1 | 1999-07-06 |
Adjustable athletic support garment and incontinence pad holder
Grant 5,876,395 - Hart , et al. March 2, 1 | 1999-03-02 |
Freight brake control using train net braking ratio
Grant 5,833,325 - Hart November 10, 1 | 1998-11-10 |
Train brake pipe remote pressure control system and motor-driven regulating valve therefor
Grant 5,788,338 - Hart , et al. August 4, 1 | 1998-08-04 |
Selectable grade and uniform net shoe force braking for railway freight vehicle
Grant 5,785,392 - Hart July 28, 1 | 1998-07-28 |
Microprocessor based system and method for regulating a railroad car brake pipe pressure
Grant 5,638,276 - Hart June 10, 1 | 1997-06-10 |
Train brake pipe pressure exhaust control system and regulating valve therefor
Grant 5,564,794 - Hart October 15, 1 | 1996-10-15 |
Ralway automatic brake control valve test unit
Grant 5,509,727 - Hart , et al. April 23, 1 | 1996-04-23 |
Railway brake pipe bracket with access ports
Grant 5,480,218 - Hart , et al. January 2, 1 | 1996-01-02 |
Brake cylinder pressure relay valve for railroad freight car
Grant 5,429,426 - Hart July 4, 1 | 1995-07-04 |
Capacitor hanger and attachment method
Grant 5,406,448 - Anderson , et al. April 11, 1 | 1995-04-11 |
High pressure valve for railway car brake control valve device
Grant 5,333,941 - Hart , et al. August 2, 1 | 1994-08-02 |
Quick service limiting valve for freight brake control valve device
Grant 5,326,159 - Hart , et al. July 5, 1 | 1994-07-05 |
Swing training machine
Grant 5,156,402 - Hart October 20, 1 | 1992-10-20 |
Freight brake control valve having lap leakage protection
Grant 5,044,698 - Hart , et al. September 3, 1 | 1991-09-03 |
Empty/load changeover valve for railway car
Grant 5,005,915 - Hart , et al. April 9, 1 | 1991-04-09 |
Vent valve device
Grant 4,974,911 - Hart December 4, 1 | 1990-12-04 |
Freight brake control valve having improved quick service function
Grant 4,974,910 - Hart December 4, 1 | 1990-12-04 |
Independent continual quick service valve device
Grant 4,875,739 - Hart , et al. October 24, 1 | 1989-10-24 |
Freight brake emergency valve
Grant 4,850,654 - Hart , et al. July 25, 1 | 1989-07-25 |
Truss-type brake beam for railway vehicle truck-mounted brake assembly
Grant 4,830,148 - Hart , et al. May 16, 1 | 1989-05-16 |
Freight brake emergency valve
Grant 4,830,438 - Hart , et al. May 16, 1 | 1989-05-16 |
Single-cylinder, truck-mounted brake assembly
Grant 4,793,446 - Hart , et al. * December 27, 1 | 1988-12-27 |
Freight brake control valve device having improved quick service function
Grant 4,776,642 - Hart , et al. October 11, 1 | 1988-10-11 |
Freight brake control valve having an emergency piston slide valve arranged to provide an accelerated brake application function
Grant 4,770,472 - Weber, Jr. , et al. September 13, 1 | 1988-09-13 |
Freight brake control valve having an emergency piston slide valve arranged to provide an accelerated brake application function
Grant 4,690,463 - Hart September 1, 1 | 1987-09-01 |
Clamping arrangement for diaphragm-type piston
Grant 4,666,166 - Hart , et al. May 19, 1 | 1987-05-19 |
Underwater signalling device
Grant 4,635,242 - Hart January 6, 1 | 1987-01-06 |
Single-cylinder truck-mounted brake assembly
Grant 4,613,016 - Hart , et al. September 23, 1 | 1986-09-23 |
Hydro-pneumatic actuator with automatic slack adjuster
Grant 4,471,614 - Hart September 18, 1 | 1984-09-18 |
Control valve arrangement for combined brake cylinder and air reservoir device
Grant 4,405,182 - Hart September 20, 1 | 1983-09-20 |
Emergency portion for a brake control valve
Grant RE31,059 - Hart October 19, 1 | 1982-10-19 |
Control valve arrangement for combined brake and air reservoir device
Grant 4,339,155 - Hart July 13, 1 | 1982-07-13 |
Control valve arrangement for combined brake cylinder and reservoir
Grant 4,225,193 - Hart September 30, 1 | 1980-09-30 |
Continual quick service valve device
Grant 4,175,792 - Hart November 27, 1 | 1979-11-27 |
Poppet valve type brake control valve device
Grant 4,161,340 - Hart July 17, 1 | 1979-07-17 |
Brake apparatus with a combined brake cylinder and reservoir
Grant 4,058,348 - Hart November 15, 1 | 1977-11-15 |
| 