U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."

Dennis Gabor, British physicist

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Wabtec Holding Corporation


Location: Wilmerding, PA
No. of patents: 13

NumberTitleIssue Date
7543796High flow calibration test point
A high flow calibration test point has entry, inlet, and outlet ports and a spring-biased plunger that in one position provides communication between the entry port and both the inlet and outlet ports, in another position provides communication between the entry por...
06/09/2009
7520574Pneumatic emergency brake release timer
A pneumatic emergency brake release timer comprises a high capacity transfer valve, a timing reservoir in communication with the pilot port of the high capacity transfer valve, the check valve and choke circuit providing parallel connections between the main source ...
04/21/2009
7472011Brake interface module
A brake interface module for an electronic air brake (EAB) or a magnet valve that incorporates positive train control digital commands with additional fail-safe, discrete train control spare inputs into a single, fail safe output via redundant power supplies. The br...
12/30/2008
7398140Operator warning system and method for improving locomotive operator vigilance
Provided is an operator warning system for use in connection with a locomotive having a horn system with a horn activation actuator and a horn device for producing a noise. The operator warning system includes an onboard computer system with a database having grade ...
07/08/2008
7383593Quiet, low water volume toilet
A toilet assembly is provided having a bowl assembly, a fragmentation passage, a jet assembly, and a water system. The bowl assembly has a wastewater inlet and a waste water outlet. The fragmentation passage has a passage, an inlet, and an outlet. The fragmentation ...
06/10/2008
7374252Wheel slip brake assurance module
A wheel slip assurance module comprises a device for disabling the wheel slip valve, a timing reservoir in communication with the disabling device, and a check valve and choke circuit providing parallel connections between the output of the wheel slip valve and the ...
05/20/2008
D562104Modular transit assist handle
02/19/2008
7301433Fuse and truck cable assembly for a rail vehicle third rail current collector
A fuse and truck cable assembly for a rail vehicle third rail current collector comprising a truck cable, a cable-engaging element, a fuse canister, a canister closure, a fuse contact element, and a flexible gland arranged so that the fuse can be replaced in the fus...
11/27/2007
7222922Three-state magnet valve
A three-state magnet valve for control of fluid flow from a source of fluid pressure. The three-state magnet valve has an application pilot solenoid electrically connectable to a control module, and an application valve for connecting the source of fluid pressure an...
05/29/2007
7210268Unlock mechanism for a rotary door operator
An unlock mechanism for a rotary door operator of a transit vehicle includes a pivotally disposed unlock member adapted for rotating a lock member into an unlock position and activating a valve for discharging the fluid pressure from the drive cylinder to enable man...
05/01/2007
7144090China type 120 brake valve ECP manifold
A China Type 120 Brake Valve ECP Manifold includes a manifold block in fluid communication with at least one source of fluid pressure for communicating fluid pressure signals. A plurality of apertures formed through such manifold block allows fluid communication the...
12/05/2006
7017974Rotary door operator
A cover arrangement for a rotary door operator of a transit vehicle includes a cover with a cavity for encasing the components of the rotary door operator and with an aperture for engaging an elastomer seal coupled around an output shaft of the rotary door operator....
03/28/2006
6839664Electrically controlled pneumatic end of train pneumatic emulation system
An electronically controlled pneumatic (ECP) end of train (EOT) pneumatic emulation system allows fill train operation of standalone ECP unit trains, even with non-ECP equipped locomotives. The emulation system is based on close integration with the EOT system and a...
01/04/2005
 
Sign InRegister
Username  
Password   
forgot password?