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Class Information
Number: 105/451
Name: Railway rolling stock > Heating devices
Description: Railway car heating devices for loosening ore or coal, so that it can be readily unloaded, and other special purposes.

Patents under this class:

Patent Number Title Of Patent Date Issued
8393359 Dual purpose bitumen/diluent railroad tank car Mar. 12, 2013
6347589 Railway tank car having a heating system with internal heat transfer panel Feb. 19, 2002
5468117 Heating of tank car walls for ejecting frozen or congealed cargo Nov. 21, 1995
5407154 Hot bearing simulator Apr. 18, 1995
5292090 Simulator for railroad hot wheel detector Mar. 8, 1994
5285047 Method and apparatus for preventing carry back in a rail car using an on-board heating device Feb. 8, 1994
5058511 Heated tank car with discharge valve and pressure equalizer Oct. 22, 1991
5058509 Railway car with vented bolster to facilitate the thawing of lading Oct. 22, 1991
5020447 Tank car discharge valve heating unit Jun. 4, 1991
5004190 Rail heating apparatus Apr. 2, 1991
4974797 Hot bearing simulator Dec. 4, 1990
4878437 Hot bearing simulator Nov. 7, 1989
4624189 Heated outlet valve for railway tank car Nov. 25, 1986
4603733 Heated railroad tank car Aug. 5, 1986
4585178 Coal car thawing system Apr. 29, 1986
4530288 Heated railway tank car Jul. 23, 1985
4515189 Molten sulfur tank car assembly May. 7, 1985
4502392 Heat transfer apparatus for transportable liquid containers Mar. 5, 1985
4494462 Thaw shed heater Jan. 22, 1985
4480370 Heated railroad tank car Nov. 6, 1984
4476788 Heated railroad tank car Oct. 16, 1984
4415018 Heat transfer apparatus for transportable liquid containers Nov. 15, 1983
4414462 Tank car heating system Nov. 8, 1983
4110602 Method and apparatus for freeing a railroad tank car bottom unloading valve made inoperable by solidified fluids within it Aug. 29, 1978

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