| |
 |
|
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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5605281 |
Rail support system |
Feb. 25, 1997 |
| 5540382 |
Mud dispersement device for mounting underneath railway ties |
Jul. 30, 1996 |
| 5535947 |
Embedded railway track system |
Jul. 16, 1996 |
| 5513797 |
Installation of rail tracks in roadways |
May. 7, 1996 |
| 5511485 |
Method and apparatus for stabilizing a subgrade with additives added through the scarifier |
Apr. 30, 1996 |
| 5492158 |
System for collecting organic material underneath rail vehicles |
Feb. 20, 1996 |
| 5487501 |
Shock absorber component for railway track having pourous rubber particle core enclosed by cover layer |
Jan. 30, 1996 |
| 5423339 |
Method and apparatus for treating articles with wash water or other fluid |
Jun. 13, 1995 |
| 5172858 |
Process for supporting a railway track installation |
Dec. 22, 1992 |
| 5163614 |
Railway roadbeds with rail slabs, and method for preparing |
Nov. 17, 1992 |
| 5060856 |
Sound-damping mat, especially for a ballast bed |
Oct. 29, 1991 |
| 4985276 |
Process for hardening ballasts and other heaped structures |
Jan. 15, 1991 |
| 4947756 |
Laying railway track |
Aug. 14, 1990 |
| 4905896 |
Railroad roadway for high speed rail-mounted vehicles |
Mar. 6, 1990 |
| 4871809 |
Railroad flangeway filler and expansion joint sealer |
Oct. 3, 1989 |
| 4743415 |
Process for sealing railroad structures |
May. 10, 1988 |
| 4728032 |
Loading members for railroad track |
Mar. 1, 1988 |
|
|
|
