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Class Information
Number: 238/7
Name: Railways: surface track > Roadbed > Continuous > Concrete
Description: Structure wherein the road-bed covering is of concrete or other plastic compound.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6997391 |
Railroad crossing flangeway liner |
Feb. 14, 2006 |
| 6913717 |
Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab |
Jul. 5, 2005 |
| 6616061 |
Railway or tramway rail and rail fastening system |
Sep. 9, 2003 |
| 6431462 |
Railroad crossing spacers |
Aug. 13, 2002 |
| 6427925 |
Prefabricated railway track system |
Aug. 6, 2002 |
| 6237856 |
Method for installing a steady rail track |
May. 29, 2001 |
| 6129288 |
Railroad crossing panel filler |
Oct. 10, 2000 |
| 6079630 |
Railway grade crossing apparatus and method of installation |
Jun. 27, 2000 |
| 5788153 |
Infrastructure for railway tracks |
Aug. 4, 1998 |
| 5653388 |
Method and apparatus for constructing a permanent railroad track |
Aug. 5, 1997 |
| 5538182 |
Railroad crossing system |
Jul. 23, 1996 |
| 5503082 |
Load-bearing rail and floor system having slotted rails embedded in concrete for the reception of machine mounts or railcar wheels |
Apr. 2, 1996 |
| 5464152 |
Method and apparatus for electrically isolating a rail in a precast concrete grade crossing |
Nov. 7, 1995 |
| 5435486 |
Ballast-free permanent rail way having recessed tie with central fastening element |
Jul. 25, 1995 |
| 5312038 |
Drainage system for a railroad superstructure for supporting sleepers |
May. 17, 1994 |
| 5285964 |
Method for constructing a railroad in concrete having vertical and lateral adjustment steps prior to concrete pouring |
Feb. 15, 1994 |
| 5181657 |
Composite rubber/concrete railroad grade crossing system |
Jan. 26, 1993 |
| 5150835 |
Rail support adjusting and fastening device |
Sep. 29, 1992 |
| 4846401 |
Tie-down system for railroad grade crossing |
Jul. 11, 1989 |
| 4743415 |
Process for sealing railroad structures |
May. 10, 1988 |
| 4703890 |
Components for ballast-less railroad lines laid on pre-fabricated reinforced concrete slabs |
Nov. 3, 1987 |
| 4641779 |
Concrete grade crossing system |
Feb. 10, 1987 |
| 4616395 |
Railroad track fixation method and apparatus |
Oct. 14, 1986 |
| 4266719 |
Track mounting assembly and sound-damping system therefore |
May. 12, 1981 |
| 4262845 |
Concrete slab structure for railway track |
Apr. 21, 1981 |
| 4232822 |
Method of and arrangement for correcting the height of railway upper structures |
Nov. 11, 1980 |
| 4232823 |
Method and apparatus for installation of quench car track for coke oven batteries |
Nov. 11, 1980 |
| 4174066 |
Corrosion resistant self-aligning track configurations particularly adapted for railroad cars |
Nov. 13, 1979 |
| 4079889 |
Railroad track rail |
Mar. 21, 1978 |
| 4010896 |
Modular liquid collection system for railroad roadbeds |
Mar. 8, 1977 |
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