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Class Information
Number: 238/2
Name: Railways: surface track > Roadbed
Description: Railroad ballast structure and form for the reception of the railway-track.










Sub-classes under this class:

Class Number Class Name Patents
238/6 Continuous 13
238/3 Highway track 10
238/9 Rail paving 20
238/8 Street crossing 105


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8511579 Elevated rail system and reaction assembly Aug. 20, 2013
8336831 Switch or rail box with sealing system for railway rails and methods for sealing the box Dec. 25, 2012
8240430 Noise and vibration mitigating mat Aug. 14, 2012
8240580 Ballast retaining structure, bedded track Aug. 14, 2012
8172158 Flangeway former and rail boot system May. 8, 2012
8167218 Rail guiding or rolling bearing and laying method May. 1, 2012
8146834 Concrete carriageway for rail vehicles Apr. 3, 2012
8066200 Hollow structural members, a rail system and methods of manufacturing Nov. 29, 2011
7988066 Rail track crossing Aug. 2, 2011
7896255 Partly foamed railroad track support arrangement Mar. 1, 2011
7891576 Track system and concrete slab of a fixed track Feb. 22, 2011
7850089 Fixed carriageway for rail vehicles and method of manufacturing the same Dec. 14, 2010
7810741 Method of adjusting the height of a fixed rail carriageway Oct. 12, 2010
7641127 Making fixed railway track Jan. 5, 2010
7605690 Rail vehicle with sensing of thrown up ballast Oct. 20, 2009
7500617 Screw device for high-adjusting a track span Mar. 10, 2009
7484669 Insulated rail for electric transit systems and method of making same Feb. 3, 2009
7093768 Rigid track Aug. 22, 2006
6997391 Railroad crossing flangeway liner Feb. 14, 2006
6954974 Method of constructing a rail track on a concrete slab and a temporary tie plate for use in the method Oct. 18, 2005
6843181 Ducting associated with rail track and installing apparatus Jan. 18, 2005
6764021 Concrete railroad grade crossing panels Jul. 20, 2004
6732418 Method of constructing a rail track on a concrete slab and a temporary tie plate for use in the method May. 11, 2004
6672515 Self stabilizing track system Jan. 6, 2004
6502760 Rail support Jan. 7, 2003
6488215 Two-block concrete railroad tie for a fixed rail carriageway Dec. 3, 2002
6468631 Elastic band-shaped base, specially track-bed matting Oct. 22, 2002
6431462 Railroad crossing spacers Aug. 13, 2002
6427925 Prefabricated railway track system Aug. 6, 2002
6422478 Railroad tie pad for crossings Jul. 23, 2002
6415987 Method for collecting liquid spillage at rail facilities Jul. 9, 2002
6354512 Polymer embedment of rails Mar. 12, 2002
6296195 Rail system Oct. 2, 2001
6293473 Railroad substructure Sep. 25, 2001
6290143 Apparatus and method for collecting liquid spillage at rail facilities Sep. 18, 2001
6273341 Non-derailable train system including a movable crossing platform Aug. 14, 2001
6250562 Resilient caps for cross-ties at railway crossings Jun. 26, 2001
6149067 Precast reinforced concrete railway crossing slab Nov. 21, 2000
6129288 Railroad crossing panel filler Oct. 10, 2000
6079630 Railway grade crossing apparatus and method of installation Jun. 27, 2000
6055693 Railway short span trestle bridge May. 2, 2000
6027033 Method and device for mounting track rails Feb. 22, 2000
6016968 Method of making a railway crossing Jan. 25, 2000
5988519 Precast concrete curved grade crossing with restraining rail Nov. 23, 1999
5863147 Pavement for conveying vehicular traffic Jan. 26, 1999
5806764 Track Sep. 15, 1998
5782405 Railroad track collector pan system Jul. 21, 1998
5738279 Elastic track foundation Apr. 14, 1998
5713517 Sock for a ballastless rail track tie Feb. 3, 1998
5622312 Rail track surface structure Apr. 22, 1997

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