Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 238/24
Name: Railways: surface track > Stringers
Description: Longitudinal beams and members arranged beneath and parallel with the rails for supporting the latter; also beam members parallel with the rails for stiffening the road-bed structure.


Sub-classes under this class:

Class Number Class Name Patents
238/25 Concrete 10
238/26 Metallic 3


Patents under this class:

Patent Number Title Of Patent Date Issued
5353987 Railroad track system having vertically adjustable railroad tie and method of construction therefor Oct. 11, 1994
4130244 Track rail support Dec. 19, 1978



 
 
  Recently Added Patents
Connector with compliant EMI gasket
Method for decreasing PN junction leakage current of dynamic random access memory
Local browsing
Channel estimation for time division duplex communication systems
System and method for determining fiber characteristics
EGR differential pressure sensor auto calibration method
Circuit for using the sign transitions of a motor phase and a motor phase back EMF currents to control PWM
  Randomly Featured Patents
Adjustable traverse rod assembly
Substrate treating method, substrate-processing apparatus, developing method, method of manufacturing a semiconductor device, and method of cleaning a developing solution nozzle
Flying toy
Combined vehicle suspension and shock absorber
Electric power steering system including a permanent magnet motor
Expandable wiring trough for telecommunications equipment
Optical planar waveguide device and method of fabrication
Method and apparatus for locating a terrestrial transmitter from a satellite
Flexible, highly radiopaque plastic material catheter
Suckback method and apparatus in an injection molding machine