Inventor · disambiguated record
James E. Hart
Also filed as: HART JAMES · HART JAMES E
81 granted patents·2 pending applications·1,733 citations·filing 1975–2011
99Inventor score
Files withWESTINGHOUSE AIR BRAKE CO39AMERICAN STANDARD INC23WESTINGHOUSE AIR BRAKE TECH CORP7HART JAMES E5WABTEC HOLDING CORP2
Top patents by PatentIndex Score
83 records- 0198US5785392ASelectable grade and uniform net shoe force braking for railway freight vehicleWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Jul 28, 1998·113 cites·23 claims
- 0295US5833325AFreight brake control using train net braking ratioWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Nov 10, 1998·67 cites·6 claims
- 0394US5927822AFreight brake control using train net braking ratioWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Jul 27, 1999·59 cites·35 claims
- 0492US6353780B1Grade speed control and method for railway freight vehicleWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2000·Granted Mar 5, 2002·33 cites·22 claims
- 0592US5820226AFreight brake control for uniform car decelerationWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Oct 13, 1998·58 cites·12 claims
- 0690US5564794ATrain brake pipe pressure exhaust control system and regulating valve thereforWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Oct 15, 1996·52 cites·29 claims
- 0788US6394559B1Control apparatus for the application and release of a hand brakeWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2000·Granted May 28, 2002·27 cites·27 claims
- 0888US6089262ARetained seat check valveWESTINGHOUSE AIR BRAKE CO·Filed 1999·Granted Jul 18, 2000·44 cites·20 claims
- 0987US7140477B2Automatic parking brake for a rail vehicleWABTEC HOLDING CORP·Filed 2004·Granted Nov 28, 2006·31 cites·6 claims
- 1087US4188071ARailway vehicle brake apparatus arranged to accommodate reduced emergency reservoir volumeWESTINGHOUSE AIR BRAKE CO·Filed 1978·Granted Feb 12, 1980·20 cites·5 claims
- 1185US4613016ASingle-cylinder truck-mounted brake assemblyAMERICAN STANDARD INC·Filed 1985·Granted Sep 23, 1986·50 cites·13 claims
- 1285US4106819AEmergency portion for a brake control valveWESTINGHOUSE AIR BRAKE CO·Filed 1977·Granted Aug 15, 1978·19 cites·36 claims
- 1384US6126247AComputer control of railroad train brake system operationWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Oct 3, 2000·40 cites·32 claims
- 1484US5451099ARailway brake pipe bracket access plateWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Sep 19, 1995·30 cites·21 claims
- 1584US5156402ASwing training machineHART JAMES E·Filed 1991·Granted Oct 20, 1992·72 cites·26 claims
- 1683US5509727ARalway automatic brake control valve test unitWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Apr 23, 1996·33 cites·15 claims
- 1782US5524573ADog transportation boxFiled 1995·Granted Jun 11, 1996·44 cites·1 claims
- 1882US4793446ASingle-cylinder, truck-mounted brake assemblyAMERICAN STANDARD INC·Filed 1986·Granted Dec 27, 1988·43 cites·27 claims
- 1982US4161340APoppet valve type brake control valve deviceWESTINGHOUSE AIR BRAKE CO·Filed 1978·Granted Jul 17, 1979·17 cites·12 claims
- 2081US4339155AControl valve arrangement for combined brake and air reservoir deviceAMERICAN STANDARD INC·Filed 1980·Granted Jul 13, 1982·18 cites·31 claims
- 2180US6609769B2Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake systemWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2001·Granted Aug 26, 2003·15 cites·15 claims
- 2280US5480218ARailway brake pipe bracket with access portsWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Jan 2, 1996·21 cites·16 claims
- 2379US4053559AProduction of uranium dioxideWESTINGHOUSE ELECTRIC CORP·Filed 1976·Granted Oct 11, 1977·28 cites·8 claims
- 2478US6776268B2Unitized railcar brake equipmentWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2001·Granted Aug 17, 2004·13 cites·10 claims
- 2578US5005915AEmpty/load changeover valve for railway carAMERICAN STANDARD INC·Filed 1990·Granted Apr 9, 1991·25 cites·31 claims
- 2678US4635242AUnderwater signalling deviceHART JAMES E·Filed 1984·Granted Jan 6, 1987·33 cites·17 claims
- 2777US5429426ABrake cylinder pressure relay valve for railroad freight carWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Jul 4, 1995·22 cites·14 claims
- 2876US5638276AMicroprocessor based system and method for regulating a railroad car brake pipe pressureWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Jun 10, 1997·26 cites·21 claims
- 2976US4830148ATruss-type brake beam for railway vehicle truck-mounted brake assemblyAMERICAN STANDARD INC·Filed 1987·Granted May 16, 1989·36 cites·25 claims
- 3075US4225193AControl valve arrangement for combined brake cylinder and reservoirAMERICAN STANDARD INC·Filed 1979·Granted Sep 30, 1980·13 cites·12 claims
- 3174US4145090AContinual quick service valve deviceWESTINGHOUSE AIR BRAKE CO·Filed 1977·Granted Mar 20, 1979·13 cites·14 claims
- 3273US4471614AHydro-pneumatic actuator with automatic slack adjusterAMERICAN STANDARD INC·Filed 1982·Granted Sep 18, 1984·16 cites·7 claims
- 3372US8225001B2Feature propagationHART JAMES E·Filed 2010·Granted Jul 17, 2012·5 cites·20 claims
- 3472US4378950AInshot valve arrangement for railway brake control apparatus employing combined air reservoir/brake cylinder deviceAMERICAN STANDARD INC·Filed 1980·Granted Apr 5, 1983·16 cites·12 claims
- 3572US4043605AEmergency portion for a brake control valveWESTINGHOUSE AIR BRAKE CO·Filed 1977·Granted Aug 23, 1977·12 cites·10 claims
- 3671US5788338ATrain brake pipe remote pressure control system and motor-driven regulating valve thereforWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Aug 4, 1998·23 cites·26 claims
- 3770US6763768B2Ramp latching mechanismWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2002·Granted Jul 20, 2004·13 cites·21 claims
- 3870US4058348ABrake apparatus with a combined brake cylinder and reservoirWESTINGHOUSE AIR BRAKE CO·Filed 1977·Granted Nov 15, 1977·11 cites·32 claims
- 3968US7565916B2Pneumatic oscillating valve and pneumatic warning deviceWABTEC HOLDING CORP·Filed 2006·Granted Jul 28, 2009·4 cites·20 claims
- 4066US5881768ACombination motor/pneumatic driven train brake pipe pressure exhaust valveWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Mar 16, 1999·15 cites·20 claims
- 4166US5326159AQuick service limiting valve for freight brake control valve deviceWESTINGHOUSE AIR BRAKE CO·Filed 1993·Granted Jul 5, 1994·15 cites·29 claims
- 4266US4235477AVariable load valve deviceAMERICAN STANDARD INC·Filed 1979·Granted Nov 25, 1980·9 cites·14 claims
- 4365US5918634APneumatically driven train brake pipe pressure exhaust valveWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Jul 6, 1999·15 cites·6 claims
- 4465US4974911AVent valve deviceAMERICAN STANDARD INC·Filed 1989·Granted Dec 4, 1990·12 cites·14 claims
- 4564US5927327ACombination motor pneumatic driven train brake pipe pressure exhaust valveWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Jul 27, 1999·15 cites·8 claims
- 4664US5634696ARailway brake pipe bracket with access portsFiled 1995·Granted Jun 3, 1997·18 cites·17 claims
- 4764US5450782AVibration desensitizing piston wear ring for railroad car control valveWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Sep 19, 1995·14 cites·20 claims
- 4864US4666166AClamping arrangement for diaphragm-type pistonAMERICAN STANDARD INC·Filed 1984·Granted May 19, 1987·18 cites·15 claims
- 4963US5269595AEmpty/load changeover valve for railway carWESTINGHOUSE AIR BRAKE CO·Filed 1992·Granted Dec 14, 1993·14 cites·10 claims
- 5063US4850654AFreight brake emergency valveAMERICAN STANDARD INC·Filed 1989·Granted Jul 25, 1989·11 cites·10 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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