In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7350468 | Adjustable spacer for freight car A box car includes end walls joined to opposing side walls that define the interior cargo area. Each end wall includes a corrugated side that faces the cargo area. The adjustable spacer is arranged within a cavity in the corrugated side in a stowed position so that ... | 04/01/2008 |
| 7275488 | Auto rack railway car A railway car for transportation of motor vehicles. The railway car may be articulated, comprising two or more units. The railway car may have end doors which are pivotally attached to the roof of the railway car. Flexible seals may be provided along the inner and o... | 10/02/2007 |
| RE39777 | Dropped deck center beam rail road car structure A center beam car has a main deck structure extending laterally from a main center sill, a laterally extending top truss structure, and a central vertically oriented central beam structure. The center beam so formed defines bunks upon which to carry cargo. The upper... | 08/21/2007 |
| 7117801 | Adjustable spacers for freight car A box car includes end walls joined to opposing side walls that define the interior cargo area. Each end wall includes a corrugated side that faces the cargo area. The adjustable spacer is arranged within a cavity in the corrugated side in a stowed position so that ... | 10/10/2006 |
| 7100331 | Directional flow flashing A flashing providing directional vanes, ribbing, scoring or etchings on its working surface which is suitable for joining, or providing backing for, sections of roofing materials, sections of exterior wall material, particularly at corners, and sections of the walls... | 09/05/2006 |
| 7066529 | Cargo carrying container with peripheral wall structure incorporating a corrugated sheet A cargo container having a floor, a front wall, and spaced side walls. The floor, front wall, and spaced side walls cooperatively bound a cargo storage space. The front and spaced side walls each have an exposed inside surface bounding the cargo storage space and an... | 06/27/2006 |
| 7036707 | Friction stir welding method, frame members used therein, and product formed thereby Disclosed is a friction stir welding technique which avoids occurrence of a dent, in a joining region, extending to a level beneath the joined surfaces. At end portions of the frame members to be joined, at the joining region, thickened parts which project toward th... | 05/02/2006 |
| 6935245 | Railway car for transporting semi-trucks The invention is directed to a railway car for the transportation of semi-trucks. The railway car may have an interior defined by a support surface for the trucks, a pair of upstanding sidewalls, and a roof. End doors may be located at each end of the railway car fo... | 08/30/2005 |
| 6837169 | End door structure for an aluminum vehicle carrier railcar An aluminum vehicle carrier railcar has an end door system attached to at least one end of an upper structure thereof including an end door pair, each pivoting about a vertical axis and having an inner and outer door member. The members move from an aligned side-by-... | 01/04/2005 |
| 6688237 | Deformation element The deformation element (1) of a rail-borne vehicle is disposed in the region of at least one deformation zone located on the end side of the vehicle and comprises at least one tubular hollow space, wherein a structure is attached in a replaceable manner ... | 02/10/2004 |
| 6659017 | Dropped deck center beam rail road car structure A center beam car has a main deck structure extending laterally from a main center sill, a laterally extending top truss structure, and a central vertically oriented central beam structure. The center beam so formed defines bunks upon which to carry cargo... | 12/09/2003 |
| 6339994 | Railcar with trackless support for radial end door A radial end door that includes, in addition to the conventional inner and outer rollers for supporting the door, a door mounted support on the inner portion of the door, unsupported by the railcar body when the door is open, but supported by the railcar ... | 01/22/2002 |
| 6289822 | Auto rack railway car A railway car for transportation of motor vehicles. The railway car may be articulated, comprising two or more units. The railway car may have end doors which are pivotally attached to the roof of the railway car. Flexible seals may be provided along the ... | 09/18/2001 |
| 6263805 | Box type structural body and vehicle end sill There is provided a vehicle end sill or the like, in which lap joints formed by one side lap welding are not simply deformed or broken off. An end sill 1 is formed as a box type structural body which includes lap joints W1 which are formed by one side lap... | 07/24/2001 |
| 5832839 | Curved flange sidewall construction for railcar end structure An end structure for a railroad freight car having longitudinally extending and spaced apart side structures. Each of the side structures provide top and bottom longitudinally disposed structural members which are spaced apart and connected to the end str... | 11/10/1998 |
| 5794536 | End design for a railway type freight car An improved end design for at least one predetermined end of a preselected railway type freight car which will enable such freight car to negotiate all of the track curvatures encountered in present day track structures while simultaneously enabling a plu... | 08/18/1998 |
| 5765486 | Auto rack railway car A railway car for transportation of motor vehicles. The railway car may be articulated, comprising two or more units. The railway car may have end doors which are pivotally attached to the roof of the railway car. Flexible seals may be provided along the ... | 06/16/1998 |
| 5601033 | Door structure for a railcar in an articulated train A novel door structure is provided for each end of a railcar in an articulated train. The train includes a plurality of railcars which are coupled together and spaced apart from each other a small distance. The door structure can be easily opened and clos... | 02/11/1997 |
| 5253593 | Tub/center sill attachment for gondola car An attachment for attaching the ends of concave floor panels of a gondola car to the center sill by a plate extending through the vertical cover plate of the floor panels and being affixed to the floor panels and to the center sill. The plate includes a c... | 10/19/1993 |
| 5209166 | Aerodynamic self cleaning hopper car A curved sided aerodynamic self clearing hopper car uses the curved sides, end skirts and top chord and side sills for improved strength and reduced aerodynamic drag.... | 05/11/1993 |
| 4941411 | Steel end structure for aluminum railcar A covered hopper railcar having an aluminum body portion comprising aluminum side, top and end sheets. A side sill is secured to the lower marginal portion of each of the side sheets. The end structure assembly includes a steel center stub sill assembly, ... | 07/17/1990 |
| 4924780 | Sliding end panels for a rail car A rail car enclosure having a bottom deck, sidewalls and a curved roof defined by at least one slope on each side connecting a flat top of the roof with the sidewalls and the deck connecting the opposite end of each sidewall to form an open end of the rai... | 05/15/1990 |
| 4738203 | Aerodynamically structured railway car with corner, air flow guides Air flow guide members at each end of the cargo carrying structure of an open top gondola type railway car, together with rounded transition or corner surfaces on the exterior of the car and aerodynamically shaped and oriented cross braces within the car ... | 04/19/1988 |
| 4649831 | Rail car with space allowing for opening of end enclosure A rail car having a bed, sidewalls and a curbed roof defined by at least one slope on each side connecting the flat top of the roof with the sidewalls and an end opening. Substantially symmetrical doors close the end opening. The doors are hung such that ... | 03/17/1987 |
| 4646652 | Railroad car door bottom guide system A railroad car arranged to transport automobiles comprises a floor, a roof, a pair of spaced side walls, at least one door assembly and means for guiding the door assembly to a position adjacent a side wall to enable loading and unloading of the railroad ... | 03/03/1987 |
| 4359002 | Railway car corner post The subject invention relates to the corner construction of a railway car, wherein the end wall, vertical reinforcing plate, side wall corner post and side plate are arranged with associated parts in a manner permitting an assembly without rotation of the... | 11/16/1982 |
| 4353314 | Box car corner post arrangement The subject invention relates to the corner construction of a railway car, wherein the end wall, vertical reinforcing plate, side wall corner post and side plate are arranged with associated parts in a manner permitting an assembly without rotation of the... | 10/12/1982 |
| 4318349 | Railway car end doors An auto railway car having a plurality of decks is provided with a pair of folding door structures for closing the loading end of the car. The doors are hinged on spherical bearing structures and include locking mechanisms for locking the doors in open or... | 03/09/1982 |
| 4317415 | Railway car end doors An auto railway car having a plurality of decks is provided with a pair of folding door structures for closing the loading end of the car. The doors are hinged on spherical bearing structures and include locking mechanisms for locking the doors in open or... | 03/02/1982 |
| 4306505 | Gondola car underframe Very high demands are made on gondola cars which are emptied on rotating/tilting unloading devices. Such cars must provide long service lives even under these very rough conditions, and they should allow simple loading and unloading via a rotating/tilting... | 12/22/1981 |
| 4265183 | Upper closure for an end door of a rail car An end closure for a rail car which comprises a pair of doors mounted for lateral movement from a closed position across the major lower portion of the opening in one end of the rail car to an open position. A panel is mounted above each door for lateral ... | 05/05/1981 |
| 4263853 | Rail car end door positioning keeper assembly A railway car having an end opening includes a swingable folding door assembly provided with a keeper mechanism carried by the door assembly and the adjacent side wall of the railway car. As the panels of the door assembly are folded from a flat, closed p... | 04/28/1981 |
| 4260046 | Power wheel for folding doors A rail car having an interior cavity and an end opening for loading and unloading lading is provided with a pair of door assemblies, each of which includes a plurality of panels, each pivotally movable with respect to the other for closing at least a port... | 04/07/1981 |
| 4240357 | Folding rail car doors A rail car having an interior cavity defined partially by vertical rail car side walls and a roof structure with an inwardly and upwardly directed portion to improve car clearance is disclosed. Access to the cavity for loading and unloading lading is thro... | 12/23/1980 |
| 4235170 | Railway car underframe end sill An end underframe structure having an open box structure forming a rigid unit capable of receiving high torsional or other forces developed in a railway car and includes primary and secondary end sills connected by side buffer members. Additional buffer m... | 11/25/1980 |
| 4164189 | Door assemblies for closing rail car end opening A multi-deck rail car having an interior cavity and an end opening for loading and unloading lading is provided with a pair of door assemblies, each of which includes a plurality of panels. Each door assembly is pivotally movable for closing at least a po... | 08/14/1979 |
| 4084516 | Foldable slidable vehicle end enclosure An enclosure for a vehicle end opening disposed between two side walls includes a pair of bi-fold door assemblies, each comprising inner and outer panels hingedly connected to one another with the outer edges of the innermost panel in turn hingedly connec... | 04/18/1978 |
| 4077330 | Sliding panel for an end door of a rail car An end closure for a rail car which comprises a pair of sliding doors mounted for movement between open and closed positions. One of the doors has a recess to clear a brake lever when the door is open. A panel is provided to close the recess when the door... | 03/07/1978 |
| 3996860 | Vehicle end enclosure An enclosure for a vehicle end opening formed between two side walls includes two bi-fold door assemblies each comprising inner and outer panels pivotally connected to one another and with the free edge of the outer panels in turn connected to a fixed piv... | 12/14/1976 |
| 3995563 | End door for rail cars An end closure for a rail car which comprises a pair of sliding doors. Locking mechanisms provided for securing the doors in closed position extending across the end of the rail car as well as in open and in intermediate positions. Each door moves from cl... | 12/07/1976 |