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| Number | Title | Issue Date |
| 8070073 | Composite rail joint end post An end post for a rail joint assembly comprising: a top portion having a profile substantially identical to cross-sectional shapes of rail head sections of first and second rails of the rail joint assembly; a base; and a stem disposed between the top portion and the... | 12/06/2011 |
| 7975933 | Method and arrangement to insulate rail ends A rail joint arrangement comprises two rails. The rails have adjacent rail ends separated and thereby forming a gap. The rails have a top end containing a rail head and a bottom end. The gap is defined between the top end and the bottom end of the rails, and the wid... | 07/12/2011 |
| 7490781 | Rail joint bars and rail joint assemblies A rail joint assembly is provided for joining abutting railroad rails with an electrically-insulated joint. The rail joint assembly comprises abutting railroad rails compressing an insulating gasket therebetween and rail joint bars secured through a plurality of hol... | 02/17/2009 |
| 7261244 | Tie plate An electrically-insulated tie plate for electrically isolating parts of a railroad rail system from each other. The electrically-insulated tie plate includes a base plate having a recessed area for receiving a railroad rail and a layer of electrically-insulating mat... | 08/28/2007 |
| 7090143 | Rail joint bars and rail joint assemblies A rail joint assembly is provided for joining abutting railroad rails with an electrically-insulated joint. The rail joint assembly comprises abutting railroad rails compressing an insulating gasket therebetween and rail joint bars secured through a plurality of hol... | 08/15/2006 |
| 6305614 | Gauge plate and switch rod insulators A T-shaped electrically insulated member for securing to rails having electric current passing therethrough. The electrically insulated rail member includes a metallic core and an electrically insulating material encasing the metallic core. The electrical... | 10/23/2001 |
| 6170756 | Gauge plate and switch rod insulators A T-shaped electrically insulated member for securing to rails having electric current passing therethrough. The electrically insulated rail member includes a metallic core and an electrically insulating material encasing the metallic core. The electrical... | 01/09/2001 |
| 5842637 | Angled joint for railroad rails The present invention involves a power saw for cutting railroad rails at an angle. The power saw includes a base, a cutting location disposed proximate the base, a cutting disc and associated driving mechanism, and a device for moving the cutting disc and... | 12/01/1998 |
| 5503331 | Insulated rail joint incorporating spacer-impregnated adhesive and method for bonding insulated rail joints The present invention generally relates to a railway or railroad track joint, and more particularly, to an improved electrically insulated bonded rail joint incorporating a non-conductive spacer in or associated with a rail bonding adhesive. The present i... | 04/02/1996 |
| 4641779 | Concrete grade crossing system A modular railway crossing structure supports a pair of rails. The modular railway crossing includes multiple base members, which are aligned axially along the length of the rails. The rails are encased by rubber boot elements. Each base member has a cent... | 02/10/1987 |
| 4635846 | Insulative protective device for rail fastener A rail-support insulating device for electrically insulating rapid transit system rail apparatus from the rail support structure is described. The device includes a layer of electrically non-conductive material forming a boot that encloses the base of the... | 01/13/1987 |
| 4386736 | Electrically insulated rail joint connection An electrically insulated rail joint having two integral plastic fishplates with embedded steel reinforcement bolted on opposite sides of the rail joint. Each fishplate is provided with vertical spaced projecting ribs having wedge-shaped faces engaging th... | 06/07/1983 |
| 4292110 | Fabric-reinforced bonding sheet comprising an epoxy resin and dianiline and use thereof to make an insulated rail joint Fabric-reinforced adhesive bonding sheet, the adhesive of which is a blend of epoxy resin and a dianiline which soften and melt at 50°-110° C. The bonding sheet is especially useful for making insulated rail joints.... | 09/29/1981 |
| 4273284 | Insulated rail joint A rail joint includes an insulative base piece formed of a synthetic plastic composition and insertable between a rail base flange and a joint bar. The opposite surfaces of the base piece are provided with elevated ribs or serrations extending longitudina... | 06/16/1981 |
| 4256259 | Insulated rail joint A rail joint includes an insulative base piece insertable between a rail base flange and a joint bar. The ends of the base piece project longitudinally beyond the respective ends of the joint bar to provide exposed terminal sections with an intermediate c... | 03/17/1981 |
| 4209130 | Adhesive tape for protecting electrically insulated rail joint An electrically insulated rail joint is protected from electrical shorting by laying an adhesive tape against the undersides and around the toes of the rails across their juncture. The adhesive tape has a thin plastic film backing which is exceedingly str... | 06/24/1980 |
