In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 7717043 | Apparatus for decelerating a train Methods and apparatus for decelerating a train are provided. The method including: disposing a movable surface configured to be moved by the train as the train passes the movable surface; and converting a kinetic energy of the train into potential energy upon moveme... | 05/18/2010 |
| 7336921 | Sheet finisher with sheet folding capability and image forming system using the same A sheet folding device for folding a sheet or a sheet stack conveyed thereto of the present invention includes a path along which the sheet or the sheet stack to be folded is conveyed. A fold plate is movable in a direction perpendicular to the above path for formin... | 02/26/2008 |
| 7325567 | Pneumatic retarder acutator valve The present invention pertains to an electro-pneumatic retarder control (EPRC) valve for a pneumatic retarder that controls the speed of railroad cars in a marshaling yard. The EPRC valve has a housing that generally encloses and protects its various components. The... | 02/05/2008 |
| 7299751 | Releasable skate retarder for railway cars The present invention provides a releasable skate retarder for railway cars. The retarder includes a plurality of spring packs including springs which bias shoe carrying beams toward running rails, trapping wheels of a railway car entering the retarder between the s... | 11/27/2007 |
| 7261223 | Saw blade lubricating apparatus A saw blade lubricating apparatus has a barrel with an outlet at one end thereof, a drive cooperative with the barrel for extruding wax outwardly of the outlet of the barrel, a dispenser block connected by a conduit to the barrel and having a wax inlet and a wax out... | 08/28/2007 |
| 7219793 | Apparatus, arrangement and method for braking A braking device for a pallet intended to run in a conveying track. The braking device includes a matrix and a braking element. The matrix includes the support service and exterior surface and a recess having various screws and openings. The braking element includes... | 05/22/2007 |
| 7140302 | Releasable skate retarder for railway cars The present invention provides a releasable skate retarder for railway cars. The retarder includes a plurality of spring packs including springs which bias shoe carrying beams toward running rails, trapping wheels of a railway car entering the retarder between the s... | 11/28/2006 |
| 7140698 | Hydraulic control and operation system for a railroad car retarder A hydraulic control and operating system is provided for a railroad car retarder to control the movement of railroad cars in railroad classification yard. The system utilizes a double-acting hydraulic cylinder to operate the retarder mechanism and includes a hydraul... | 11/28/2006 |
| 7006957 | Locomotive parking management tool A system for managing locomotives in a railyard including a parking yard and a service yard, based on possible future states of the parking yard and the service yard. The system includes a computer and utilizes an algorithm that enumerates possible present locomotiv... | 02/28/2006 |
| 6829998 | Releasable skate retarder for railway cars The present invention provides a releasable skate retarder for railway cars. The retarder includes a plurality of spring packs including springs which bias shoe carrying beams toward running rails, trapping wheels of a railway car entering the retarder between the s... | 12/14/2004 |
| 6520298 | Rail brake, especially a holding brake A railroad track brake in which a piston track brake is shifted out of an active state into an inactive state by a track-brake lowering device with a length of structural section extending along the piston track brake and having drag bars attached thereto... | 02/18/2003 |
| 6220400 | Railway car retarder A low-profile railway car retarder system comprising a fulcrum pin, an upper and a lower lever, and two braking assemblies, is disclosed. The levers are located beneath a horizontal plan drawn from the top of the rail, thereby preventing inadvertent conta... | 04/24/2001 |
| 6199671 | Shock absorber A piston-type rail retarder includes a shock absorber having a cylinder defining a cavity between a pair of end walls. A piston rod extends axially through one of the end walls, and a piston is mounted on the piston rod between the end walls so as to divi... | 03/13/2001 |
| 6182575 | Adjustable stop-wagon retarders with locking function for wagons at high speed and disposal methods thereof The invention relates to adjustable stop-wagon retarders with locking function for wagons at high speed and disposal methods thereof, which are suitable for railway marshaling yards or rail lines where it is required to prevent wagons from running away, w... | 02/06/2001 |
| 6152042 | Railcar retarder assembly A railcar retarder assembly for use in a railroad trackwork such as a railcar classification yard is provided with a fixed base plate, a vertically-oriented pivot shaft secured to the base plate, an elongated and curved cam member mounted on the pivot sha... | 11/28/2000 |
| 5676337 | Railway car retarder system A railway car retarder mechanism that employs linear electromagnetic induction to precisely accelerate or decelerate a railcar. The retarder mechanism includes a plurality of linear induction stators having a spaced plurality of primary inductors, a contr... | 10/14/1997 |
| 5388525 | Railway car retarder An improved railway car retarder, fitted with fluid power cylinders, such as hydraulic or pneumatic cylinders. The cylinders function to temporarily release the force of retarder friction rails on train car wheels. The retardation function is still carrie... | 02/14/1995 |
| 5209165 | Buffer stop In a friction buffer stop, each side wall of the buffer structure has at its lowermost edge mutually spaced slots extending parallel to the adjacent rail, each slot being directly opposite to and of the same length as a slot in the other side wall. Pairs ... | 05/11/1993 |
| 5092248 | Railway wagon retarder The retarder is installed adjacent a railway track for reducing the speed of a wagon rolling along the track and additionally has the capability of boosting the speed of a wagon. The retarder includes a hydraulic unit having a portion adapted to be deflec... | 03/03/1992 |
| 4867279 | Low-profile railway car retarder A low-profile railway car retarder having a pair of braking bars disposed parallel and on opposite sides of a track rail and having an upper and lower pivotal lever carrying a respective one of the pairs of braking bars. A pneumatic motor pivotally connec... | 09/19/1989 |
| 4766815 | Up-grade speed control system of railway marshalling yard This invention relates to the design of marshalling yard with up-grade speed control system. The principal difference between this yard and the conventional marshalling yard with down-grade only profile is described hereunder. Unlike the already known yar... | 08/30/1988 |
| 4721189 | Retarders suitable for wagon speed control A retarder, suitable when mounted in association with a rail of a railway track for reducing the speed of a wagon rolling along the track, includes an hydraulic unit which comprises a hollow member, a piston slidably housed in that member, and a piston ro... | 01/26/1988 |
| 4650038 | Retarders suitable for wagon speed control A retarder, suitable for mounting with respect to a rail of a railway track for reducing the speed of a wagon rolling along the track, includes an hydraulic unit a portion of which, for retardation of the wagon, is disposed in the path of a wheel of the w... | 03/17/1987 |
| 4535872 | Retarders suitable for wagon speed control and having means for holding them in their operative condition A retarder, suitable for reducing the speed of a wagon rolling along a railway track, includes a retainer, which is adapted to be secured upon or adjacent a rail of the track, and an hydraulic unit which is fitted in the retainer. A portion of the unit no... | 08/20/1985 |
| 4480723 | Marshalling yard retarder In a retarder system for railway wagons, a retarder device which includes a rotatable cylinder resiliently urged into a working position adjacent a rail and provided with a flange with a helical contact surface. The flange of a railway wagon wheel which p... | 11/06/1984 |
| 4393960 | Low noise railroad retarder brake shoe structure A brake shoe structure includes a series of alternating long brake shoes and short brake shoes mountable on adjacent brake beams in a railroad car retarder. The length of the long brake shoe is such that the long brake shoe symmetrically straddles two adj... | 07/19/1983 |
| 4261265 | Vehicle with steerable wheels adapted to be used on tracks, especially for the local public passenger traffic A motor vehicle adapted to be used on tracks, especially for the public local passenger traffic, with a steerable vehicle axle and with at least one non-steerable vehicle axle and with track-determining cross-guide rollers arranged on both sides of the ve... | 04/14/1981 |
| 4235403 | Speed control apparatus and method for railroad car retarders An acceleration servo control system for railroad car retarders in which a computed desired instantaneous deceleration signal and a measured actual deceleration signal are compared and any resulting error signal is fed back through the servo network to ad... | 11/25/1980 |
| 4198909 | Track brake for railways The track brake is intended to limit the speed of rolling motion of a freight car according to the track gradient in a marshalling yard. A retarder installed along a braking rail comprises a number of braking tappets each having a portion which projects a... | 04/22/1980 |
| 4125177 | Railway braking apparatus Railway braking apparatus for frictionally engaging and retarding the wheels of railroad cars which includes a series of pneumatic cylindrical operators located between two adjacent crossties along the trackway. The piston of each pneumatic cylindrical op... | 11/14/1978 |
| 4088078 | Lubricating apparatus for reducing squeal noise of a railroad car wheel when passing through a car retarder Apparatus disposed in parallel relation to rails of a railway track section ahead or in advance of a railroad car retarder for applying a solid type lubricant to those areas of the car wheels frictionally contacted by the retarder and thereby suppressing ... | 05/09/1978 |
| 4064976 | Car retarder shoe structure A car retarder shoe structure in which a removable shoe member is attached to the brake beam of a railway car retarder by means of bolts. Each bolt is tapered and the corresponding hole in the shoe is likewise tapered. The tapered portion of the bolt is a... | 12/27/1977 |
| 4034677 | Railroad classification yards Two car retarders and an interposed means to push the cars are installed on a storage track. The upstream retarder slows the cars. The downstream retarder collects the cars released from the upstream retarder. The cars, coupled as a block, are pushed from... | 07/12/1977 |
| 4027595 | Hydraulic apparatus A hydraulic system having a plurality of motor driven pumps in parallel legs, at least one being active and one in reserve, so combined with sensors to sense pump efficiency and filter efficiency that a condition deemed pump failure or filter failure resu... | 06/07/1977 |
| 3993270 | Slippery wheel detector This invention relates to a method and apparatus for determining whether or not a freight car in a classification yard can be adequately retarded, prior to it being moved to make up a freight train, by measuring whether the wheels of the freight car are t... | 11/23/1976 |
| 3974963 | Railway wheel squeal suppression arrangement This disclosure relates to a railway trackway having a pair of running rails and including a plurality of vibrational dampening mechanisms disposed at selected intervals along the running rails of the trackway. Each of the vibrational dampening mechanisms... | 08/17/1976 |
| 3974776 | Railway antinoise pollution arrangements This disclosure relates to a gripping type of railroad car retarder or a section of railway trackway having the running rail composed of vibrational dampening material for absorbing and dissipating vibrational energy imparted to the wheels of railway vehi... | 08/17/1976 |
| 3952839 | Rail trackway fitted with braking devices A rail trackway fitted with braking devices which are arranged along predetermined intervals and comprise elastically deformable braking bodies adapted for use in warehouses and at loading stations for transshipment.... | 04/27/1976 |
| 3946973 | Retarder control system for automatic railroad classification yards A control algorithm developed for the master, intermediate, and group retarders of a classification yard enables control of the speed of car cuts in the switching area to achieve predetermined constant running times between the hump and the entrance into ... | 03/30/1976 |