Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8056486 | Railroad hopper car hatch cover A railroad car hatch cover including a high strength and highly rigid laminate panel having an inner aluminum member, an outer aluminum member, and a solid plastic core. A cross-section of the laminate panel includes a center section with two generally parallel and ... | 11/15/2011 |
| 7770526 | Railcar man-way cover lift-assist system A lift-assist system for a man-way cover includes a unitary spring mounted to the axis of rotation for the man-way cover. The spring includes a coil portion on either side of the axle of rotation, with a unitary bridge portion spanning between the coil portions. The... | 08/10/2010 |
| 7661371 | Manway sealing system An improved safety collar (10) for a manway system (24) provides a tapered component for guiding the collar into an aperture of a manway lid (28), thus preventing the collar from snagging an edge of the aperture and holding the lid in an open po... | 02/16/2010 |
| 7337926 | Intermodal powder/bulk freight container The present invention teaches that air may be injected into the sloping bottom of a bulk dry particulate cargo container (micron-sized through quarry-sized dry particulate) accompanied by traditional conveyance-variety pneumatic air, causing the bulk dry particulate... | 03/04/2008 |
| 7083375 | System and method for transporting and handling bulk quantities of bulk feed A system and method for handling and transporting moist bulk grain by-products include a rail car having an aluminum car body carried by a plurality of trucks for engaging rails. A flexible top cover, supported by a plurality of breakaway curved ribs, is positioned ... | 08/01/2006 |
| 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 |
| 6902082 | Manhole device A modular solvent recovery device (30) includes an enclosure (34) mounted to a frame (32) to enclose a tank (70) having a solvent section (72) and a waste fluid section (73), a still (40) in which waste photopolymer f... | 06/07/2005 |
| 6827025 | Hatch cover for a railroad hopper car A hatch cover adapted to be positioned over and close a hatch opening on a railroad hopper car. The hatch cover includes a rigid panel sized to cover the hopper car hatch opening. The panel for the hatch cover includes an inner skin, an outer skin, and a core materi... | 12/07/2004 |
| 6523483 | Cement hopper car hatch anti-accumulator A hatch anti-accumulator constructed from a suitable plastic material formed into a rectangular sheet. Slots designed to accommodate fasteners are provided near each end of the material. The rectangular sheet is then bent or rolled to form a short cylinde... | 02/25/2003 |
| 6505563 | Vented hatch coaming A vented hatch coaming for a covered hopper car permits unloading without opening the hatch cover. The vented hatch includes an opening in the coaming for the passage of air. Preferably, a housing is positioned adjacent the ring opening to exclude contami... | 01/14/2003 |
| 6244191 | Hopper rail car A hopper car having smooth side walls being reinforced by a horizontal beam along a horizontal seam. The roof of the car has a plurality of extruded beams, including a pair of combining extrusion extending the length of a hatch opening. The coaming extrus... | 06/12/2001 |
| 6227223 | Valve and actuator in combination The present invention provides an interchangeable modular valve-actuator combination whereby the valve stem on the valve and the actuators are configured to be interchangeably engageable. The components of the valve-actuator are sized accordingly so that ... | 05/08/2001 |
| 6216603 | Vented hatch coaming A vented hatch coaming for a covered hopper car permits unloading without opening the hatch cover. The vented hatch includes an opening in the coaming for the passage of air. Preferably, a housing is positioned adjacent the ring opening to exclude contami... | 04/17/2001 |
| 6095365 | Pivoting hatch cover assembly A hatch cover assembly for an access port includes a hatch which is adapted to cover the access port and a mechanism for applying a generally vertically-directed force to the hatch to raise it upwardly off the port, while maintaining the hatch in a genera... | 08/01/2000 |
| 6092471 | Curved rail cover actuator An actuator automatically opens and closes the covers of a railroad hopper car as the car enters a loading/unloading station. The opening actuator includes a support frame disposed along a railroad track at the station that extends upwardly above the rail... | 07/25/2000 |
| 6085664 | Vented hatch cover A vented hatch cover for a container having an opening defining a hatch and a coaming on the container's exterior surrounding the hatch opening. The cover has an outer shell and an inner shell, each shell having a main body and a flanged portion. The bodi... | 07/11/2000 |
| 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 |
| 6053113 | Vented hatch coaming A vented hatch coaming for a covered hopper car permits unloading without opening the hatch cover. The vented hatch includes an opening in the coaming for the passage of air. Preferably, a housing is positioned adjacent the ring opening to exclude contami... | 04/25/2000 |
| 6050199 | Hatch cover sealing device A sealing device for a hatch cover closing a hatch on a railcar, wherein the hatch cover includes a pocket for receiving a gasket, and the pocket includes projections mating with recesses on the gasket or projections on the gasket mating with recesses in ... | 04/18/2000 |
| 5924672 | Valve and actuator in combination A valve and actuator in combination with a transportation tank to operate off of low pneumatic pressures including a valve having a valve body with a tank end, a valve seat near the tank end of the valve body, the valve seat having a valve sealing surface... | 07/20/1999 |
| 5813352 | Vented hatch cover A cover for closing a hatch opening in a container such as an enclosed railroad hopper car is provided. The cover is sized to fit over a coaming extending from the hatch opening. An outer rim is formed on the cover and cooperates with the coaming to form ... | 09/29/1998 |
| 5794539 | Moisture barrier filter seal for hopper rail car hatches A moisture barrier seal for use on a hopper car hatch opening that does not need to be removed before vacuum unloading of the hopper car due to the use of a grained plastic such as vertically drawn or cast polyethylene which will rupture as soon as the se... | 08/18/1998 |
| 5678827 | Tank car manway gasket A gasket for railroad car manways or hatches is mounted on the top of a loading nozzle. The gasket is a ring having an inverted J-shaped cross section. It is held in position by a long down leg and a short leg. The legs are joined by a bail. The junction ... | 10/21/1997 |
| 5673897 | Valve/actuator combination A valve/actuator combination to operate off of low pneumatic pressures for use on tanker railcars including a valve having a valve body with a tank end, a valve seat near the tank end of the valve body, the valve seat having a valve sealing surface; a ste... | 10/07/1997 |
| 5644990 | Railroad car hatch cover A railroad car hatch cover assembly includes a ring which defines a car body opening. There is a peripheral seal attached to the ring. A hatch cover is hinged to the ring and closes upon the ring and seal to close the car body opening. There is a lock ass... | 07/08/1997 |
| 5622117 | Hatch cover having a removable gasket A hatch cover for railroad car hatch openings has a body member with inner and outer depending circular flanges. The flanges are located so as to span the loading nozzle or coaming of the hatch. The flanges and body portion define a three-sided pocket bet... | 04/22/1997 |
| 5572932 | Railcar hatch cover A hatch cover assembly for railcars. The assembly includes a series of hatch covers aligned end to end to cover an opening in a railcar. Each of the hatch covers has an overlapping end section which seats upon an adjacent cover to provide a seal. The end ... | 11/12/1996 |
| 5517925 | Railroad car hatch cover system A hatch cover system for a railroad car employs a longitudinally extending series of end-to-end main hatch covers wherein each adjacent pair of covers has proximate, concave ends defining a circular port that permits access to the interior of the car when... | 05/21/1996 |
| 5263421 | Coal fly-ash railway hopper car with 70 degree minimum slope and end sheet angle and longitudinal dual purpose loading hatch A dual-purpose railway hopper car is constructed so that it is capable of holding, handling and hauling both coal and fly ash on different trips by virtue of having a plurality of quick opening hopper doors which are sealed to prevent leakage of fly ash w... | 11/23/1993 |
| 5211433 | Dome clamp apparatus A dome clamp arranged for mounting to the lid plates of a truck tank-trailer arrangement includes a plurality of confronting L-shaped legs mounted to a support beam, with the support beam including a slot having a slot clamp slidably directed therethrough... | 05/18/1993 |
| 5158022 | Hatch vent assembly for railroad cars with baffle and screen mesh to prevent entry of contaminants A hatch cover assembly includes a vent passageway through a hatch cover for venting the interior of a railroad hopper car, or the like, to the environment. The hatch cover is held in closed position by a locking strap, and the vent passageway is located d... | 10/27/1992 |
| 4961387 | Universally adaptable, hinged hatch cover system for railroad hopper cars A cover assembly is used with any one of a plurality of hopper cars each including a top side having a trough hatch therein, coaming extending around the perimeter of the trough hatch, and hinge pin brackets attached to the top side of the hopper car at o... | 10/09/1990 |
| 4819830 | Vented hatch cover A vented hatch cover for an enclosed vessel having a shell member sized to overlie and cover a hatch opening defined by an upstanding coaming. It includes a peripheral seal to seal against coaming. The shell member has at least one air passage extending t... | 04/11/1989 |
| 4655365 | Hatch cover lock A railway hopper car has a hatch opening defined by its upper deck surface. A hatch cover is adapted to close the hatch opening. A hinge arrangement is connected with the upper deck surface and a locking arm extends from the hinge arrangement and across t... | 04/07/1987 |
| 4638743 | Method of reinforcing a covered hopper car hatch A replacement roof sheet for replacing a removed roof section of a covered hopper car roof that has cracks radiating from the square corners of a rectangular hatch. The roof sheet has an arcuate cut-out aligned with the hatch opening and an upstanding, ar... | 01/27/1987 |
| 4607760 | Closure for a pressurized chamber A door closure system for a pressurized chamber is provided. The door system includes a hinge affixed to the chamber housing which supports a transverse door beam of the door. An inner door plate is supported by a handwheel driven screw rotatably mounted ... | 08/26/1986 |
| 4501377 | Manhole cover and assembly for tank for transporting flammable liquids A manhole cover for a mobile tank for transporting flammable liquids is provided with a piston cylinder having a spring-biased ball valve having upper and lower seats. The lower seat is slotted to allow flow of non-compressible liquid in both directions w... | 02/26/1985 |
| 4461219 | Single lever hatch cover A hatch cover opening and closing assembly which includes a hat member rockably secured to the hatch at about its center, the hatch cover being pivotably secured to the railway car coaming through the hat member at one end and the other end of the hat mem... | 07/24/1984 |
| 4435010 | Overhead access assembly An improved means for providing overhead access to the freight compartment of a load carrying vehicle to facilitate loading and unloading of cargo. An elongate opening is defined in the roof of the compartment and includes a plurality of hinged door panel... | 03/06/1984 |
| 4299174 | Hopper car cover system The disclosure concerns a removable, rigid cover system for railway hopper cars. The system employs a set of welded, steel roof sections which are bolted together end-to-end through upstanding flanges, and which are attached to the car by J-bolts which en... | 11/10/1981 |
