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| Number | Title | Issue Date |
| 7975622 | System and method for reinforcing railway tank cars An apparatus for reinforcing a railway tank car includes a tank shell. A plurality of attachment pads are welded to the tank shell to form a tank assembly. The tank assembly is subjected to a post-weld heat treatment. A plurality of shield plates may each be welded ... | 07/12/2011 |
| 7963230 | Shield assembly for railroad tank car A shield for protecting an exterior wall of a railroad car during a lifting operation includes a body having a first face for engaging that exterior wall. The first face may have a radius of curvature to substantially match the radius of curvature of the tank car. | 06/21/2011 |
| 7849801 | Protective housing assembly for a tank car manway A railway tank car is provided having a manway formed in a body of the tank car. The tank car includes a manway cover plate coupled to the body of the tank car and disposed over at least a portion of the manway. A protective housing assembly is coupled to the body o... | 12/14/2010 |
| 7849802 | Protective housing assembly for a tank car manway A railway tank car is provided having a manway formed in a body of the tank car. The tank car includes a manway cover plate coupled to the body of the tank car and disposed over at least a portion of the manway. A protective housing assembly is coupled to the body o... | 12/14/2010 |
| 7261353 | Dividers for reduction of aerodynamic drag of vehicles with open cavities A drag-reduction concept for vehicles with open cavities includes dividing a cavity into smaller adjacent cavities through installation of one or more vertical dividers. The dividers may extend the full depth of the cavity or only partial depth. In either applicatio... | 08/28/2007 |
| 7262699 | Security device for cylindrical merchandise A security device for holding cylindrical items of merchandise includes a cylindrical housing having a pivotably mounted lid moveable between open and closed positions. The lid includes an outer shell pivotally attached to the housing and an inner slide member mount... | 08/28/2007 |
| 7234276 | Porthole apparatus and method of installation The instant invention is a metallic device or porthole for use with communication antenna supporting structure, such as monopoles. The porthole of the instant invention includes an integrally connected backing bar that following the method of installation meets prop... | 06/26/2007 |
| 7226122 | Process for insulating recreational vehicles with recycled material Previously used packing and shipping material, including foam based packaging and support products, may be recycled in a manner so as to reduce the manufacturing costs associated with insulating the structural enclosures of recreational vehicles. By finely shredding... | 06/05/2007 |
| 7131455 | Tank car manway cover A manway cover assembly for a railroad tank car. The manway cover assembly is moveable between a closed position in covering relationship with a manway nozzle and an open position that permits access into the tank car. The manway cover assembly includes a manway cov... | 11/07/2006 |
| 7108285 | Road and rail tankers A tanker trailer includes tanks mounted one behind the other to a chassis using a flexible mounting system. The mounting allows individual tank movement in upward and downward directions from a rest position. Close nesting is accomplished by provided adjacent tanks ... | 09/19/2006 |
| 7044504 | Sub-assembly mounting system A mounting arrangement for a modular component such as a fuel tank on a vehicle includes sub-assembly of the fuel tank on a carrier for installation on the chassis. Alignment is provided by alignment arms extending outwardly from the chassis cooperating with mountin... | 05/16/2006 |
| 6941873 | Tank steam-out cap A steam cap for use in cleaning out a tank, such as a railroad tank car, is described herein. The steam cap of the invention is preferably affixed to a tank outlet, such as a tanker outlet leg. The steam cap includes a body, preferably made of a drain cup and a line... | 09/13/2005 |
| 6910427 | Security device and method to prevent unauthorized discharge of contents from a tank Security devices are provided to prevent or block unauthorized access through portholes formed in a protective housing assembly when the protective housing assembly is in its first, closed position and to allow access through the portholes when the protective housin... | 06/28/2005 |
| 6805153 | Hose connector template apparatus The present invention relates to an apparatus for restricting access to ports that may be disposed in a bonnet to house valves on a railcar. More specifically, the present invention relates to a template that may be lowered over the bonnet of the railcar wherein the... | 10/19/2004 |
| 6727510 | Transportation vessel for radioactive substance and method of loading closed vessel A canister containing spent fuel assemblies is contained in a body of a transportation cask. A top opening of a vessel body of the canister is closed by a lid welded to the vessel body. A ring-shaped elastic tube is provided between the inner surface of the upper en... | 04/27/2004 |
| 6694889 | Siphon drainpipe system and method for a railway tank car A siphon drainpipe system and method for use in a railway tank car includes a railway tank car having a tank at least partially defined by a generally elongate hollow cylinder having closed ends. The tank includes an upper surface and a lower surface, and... | 02/24/2004 |
| 6557477 | Ring protector for preventing tampering of valves positioned inside a railcar dome A ring protector for preventing unauthorized access through the dome port openings of a railcar dome. The ring protector defines a plurality of approximately equally spaced holes. The ring protector has an opened position in which each of the dome port op... | 05/06/2003 |
| 6557896 | Road and rail tankers Multi-compartment tankers, especially road tankers, suffer from cracking of the compartment divisions due to the repeated stressing of the tank in use. The present invention provides a solution by providing the desired capacity in a plurality of tanks whi... | 05/06/2003 |
| 6447157 | Transportation of soluble solids Disclosed is an agitator assembly which comprises an agitator and means for mounting the agitator assembly on top of a tank. The agitator comprises a shaft, a propeller fixed to one end of the shaft, and means for rotating the shaft to provide an axial di... | 09/10/2002 |
| 6357363 | Railroad tank car A railway tank car of light weight and high cargo load capacity in which a tank shell structure is carried on and unified with an underframe including a stub sill at each end, a pair of spaced apart saddle bolsters, each joined to a respective one of the ... | 03/19/2002 |
| 6347589 | Railway tank car having a heating system with internal heat transfer panel In one embodiment of the present invention, a railway tank car including a tank coupled with first and second stub sill assemblies may be provided. The stub sill assemblies may each be coupled with associated railway car truck assemblies. A tank defined i... | 02/19/2002 |
| 6328064 | Fluid tank drain pipe support/guide member A drain pipe support advantageously acts as a guide for insertion of a drain pipe and secures the drain pipe in a desired position for draining of a fluid filled tank. Additionally the drain pipe support also advantageously guides fluid into the drain pip... | 12/11/2001 |
| 6286438 | Baffle plate assembly A baffle plate assembly for reducing the amount of corrosive liquid contained within a railroad car from contacting a pressure relief valve connected to the railroad car. The baffle plate assembly includes a baffle body having one end connected to an uppe... | 09/11/2001 |
| 6076471 | Tank car manway cover assembly A manway cover assembly to cover an opening of a tank car, defined by an upstanding manway nozzle. The manway cover assembly comprises a manway cover housing, a safety vent and a manway nozzle gasket. The safety vent includes a body mounted on the manway ... | 06/20/2000 |
| 5785078 | Safety vent housing A safety vent for a railroad tank car has a housing mounted about an opening on the top of the car. The housing body defines a cavity which contains a surge protector and a rupture disk. The rupture disk is designed to open at a known pressure and allow c... | 07/28/1998 |
| 5762088 | Method and apparatus for gauging clearance on a tanker railcar checkvalve Disclosed is a gauging device for use in a tanker railcar having a manway cover for attaching a valve having a valve stem, that the manway cover having an opening and a valve mounting recess, a checkvalve positioned in that the manway opening, that the ch... | 06/09/1998 |
| 5636665 | Method and apparatus for filling and emptying of tank vehicles A method and apparatus for collectively filling and emptying fluid in a plurality of tanks, particularly in a railway train. The apparatus enables filling and emptying via a hook-up at the filling terminal or discharge terminal.... | 06/10/1997 |
| 5465753 | Safety vessel and valve assembly A safety vessel and valve assembly for storage and transport of chemicals is disclosed. The assembly includes a vessel housing a series of retracted valves. A thickened mounting plate provides an area to mount and protect the valves within the vessel, whi... | 11/14/1995 |
| 5303843 | Fluid transport apparatus with water hammer eliminator system A fluid transport apparatus including an elongated fluid vessel for transporting fluid, such as LPG. One or more breakable containers of compressible fluid are positioned within the fluid vessel. The containers are adapted to break by the force of the ves... | 04/19/1994 |
| 5251658 | Fluid apparatus with at least one tube well A tube well extends through a fluid containment compartment and is secured at both ends thereof to the compartment shell. Both ends of the well communicate with respective shell openings. Compartment fittings and/or equipment are positioned in the tube an... | 10/12/1993 |
| 5226371 | Mobile tanker A mobile road or rail tanker. The tanker is formed of sheet aluminum which forms an outer shell. The shell encloses a chamber which is divided by a transverse wall. The wall adjacent the shell comprises an annealed heat treatable weldable aluminum alloy w... | 07/13/1993 |
| 5218911 | Split skid protection casting and insert adapter for replacement outlet valve of a tank car A skid protective casting and adapter for a tank car for retrofitting a new outlet bottom valve on a tank car. The skid protective casting includes two separate sections having sloped bottom surfaces. The skid protective casting is welded in a manner that... | 06/15/1993 |
| 5170819 | Valve system for mobile tank cars A protective valve system including a pipe extending into the tank through a wall with a seat positioned in the pipe inside of the tank and a safety plug movable for releasable and sealingly seating on the seat. A first valve is positioned outside the tan... | 12/15/1992 |
| 5058511 | Heated tank car with discharge valve and pressure equalizer A railway tank car heated by steam through a heat exchanger located at the bottom of the tank car, the heat exchanger comprising pipes running lengthwise of the tank and outlets between the ends of the pipes. The outlet are arranged to drain hot condensat... | 10/22/1991 |
| 4941410 | Outlet valve assembly with an extended handle for a railway tank car An outlet valve assembly is provided for a railway tank car. The valve is mounted at the bottom of the tank car for discharging downwardly between the tracks. The valve is operable between the closed position to occlude flow through the valve and an opene... | 07/17/1990 |
| 4902173 | System and filter for preventing contamination of particulate material in railroad car during transportation and unloading A system for preventing contamination of particulate material in a railroad hopper car during transportation and unloading of the material from the car, comprising transporting the material in the railroad hopper car with a filter on each of the various i... | 02/20/1990 |
| 4898101 | Vehicle hopper body with internal reinforcing members A hopper vehicle body having an elongated shell internally reinforced by spaced apart lateral reinforcing members in the general shape of a horseshoe and which have a hat-shaped cross section.... | 02/06/1990 |
| 4890646 | Flexible siphon pipe for tank car An eduction or siphon pipe in a railway tank car extends from adjacent a bottom sump area to a fitting in a top area of the car. The railway tank car has a generally curvilinear inner wall, and the eduction pipe is provided with a shape corresponding to t... | 01/02/1990 |
| 4889160 | Antitamper vent arrangement for a receptacle or enclosure A two-way tamper-proof vent arrangement especially constructed for food grade receptacles and tanks is disclosed. The vent arrangement includes inner and outer stainless steel inverted cup members which are nested together and are concentrically mounted o... | 12/26/1989 |
| 4867073 | Internal drainage system for hollow member structural assembly and method An internal water drainage system for an interconnected hollow structural assembly within a railroad pressure discharge hopper car or the like is disclosed. To facilitate water drainage throughout the interconnected hollow structural assembly following hy... | 09/19/1989 |
