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Class Information
Number: 137/347
Name: Fluid handling > With casing, support, protector or static constructional installations > Vehicle > Railway car
Description: Apparatus in which the casing support or protector is a railroad car or a part thereof.










Sub-classes under this class:

Class Number Class Name Patents
137/348 Car frame 8
137/349 End of car 10
137/350 Roof, wall or floor 34


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8646478 Tank valve system Feb. 11, 2014
7849801 Protective housing assembly for a tank car manway Dec. 14, 2010
7246786 Heavy duty pinch valve Jul. 24, 2007
7207547 Valve operating assembly and system for operating lever-operated valves Apr. 24, 2007
6908068 Adapters and adapter systems for valve closure systems and valve closure assemblies Jun. 21, 2005
6805153 Hose connector template apparatus Oct. 19, 2004
6742550 Secondary containment cap apparatus for either permanent or removable attachment to a primary chlorine container turret Jun. 1, 2004
6727510 Transportation vessel for radioactive substance and method of loading closed vessel Apr. 27, 2004
6708723 Inwardly opening mechanical vent system Mar. 23, 2004
6390119 Manway cover system May. 21, 2002
6382233 Plastic hydraulic hammer reduction system May. 7, 2002
6328064 Fluid tank drain pipe support/guide member Dec. 11, 2001
6286438 Baffle plate assembly Sep. 11, 2001
6263974 Power source for supplying water-based liquid to system, and fire extinguishing arrangement Jul. 24, 2001
6253786 Coupling devices for railway cars Jul. 3, 2001
6234191 Railroad car brake manifold May. 22, 2001
6213449 Handles for bottom outlet valve assembly Apr. 10, 2001
6112762 Top operated bottom outlet valve assembly Sep. 5, 2000
6062254 Manifold protective valve enclosure May. 16, 2000
6045013 Container containing liquid or the like therein Apr. 4, 2000
5967358 Tank filling and pressure relief assembly Oct. 19, 1999
5919377 System for transporting solid materials Jul. 6, 1999
5823225 Collapsible container for hauling bulk materials Oct. 20, 1998
5782265 Filtration and transportable container for processing waste into fuel Jul. 21, 1998
5762088 Method and apparatus for gauging clearance on a tanker railcar checkvalve Jun. 9, 1998
5690141 Valve covers Nov. 25, 1997
5553639 Container and method for transporting finely divided or dried coal Sep. 10, 1996
5480042 Lock and coupler for a railway ramp car having fluid and electrical couplings Jan. 2, 1996
5285998 Internal valve for pressure fluid containment vessels Feb. 15, 1994
5285811 Hopper gate valve Feb. 15, 1994
5251658 Fluid apparatus with at least one tube well Oct. 12, 1993
5232010 Drain valve Aug. 3, 1993
5228473 Internal safety valve system Jul. 20, 1993
5222517 Fluid containment vessel with one or more recessed wells Jun. 29, 1993
5220943 Internal pump assembly Jun. 22, 1993
5211202 Fluid apparatus with pressure-tight recessed well May. 18, 1993
5170988 Internal tank valve Dec. 15, 1992
5170819 Valve system for mobile tank cars Dec. 15, 1992
5113893 Safety pressure relief valve shut-off May. 19, 1992
5083586 Mounting arrangement for connecting a fluid pressure valve to a pipe bracket by a hollow adapter member Jan. 28, 1992
5042776 Internal tank valve Aug. 27, 1991
4938247 Hydraulic hammer reduction system for railroad tank cars Jul. 3, 1990
4840192 Hydraulic hammer reduction system for railroad tank cars Jun. 20, 1989
4624189 Heated outlet valve for railway tank car Nov. 25, 1986
4542764 Leak containment kit Sep. 24, 1985
4414462 Tank car heating system Nov. 8, 1983
4392575 Swivel assembly for end cock Jul. 12, 1983
4347863 Combined safety vent and siphon unloading nozzle for liquid transportation vehicle Sep. 7, 1982
4180242 Bottom operable tank car lading valve with minimum skid protection for retrofit Dec. 25, 1979
4002192 Railway tank car train having a two-way loading and unloading system Jan. 11, 1977

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