Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 188/61
Name: Brakes > Vehicle > Railway > One-way
Description: Brakes designed to prevent retrograde motion.

Patents under this class:

Patent Number Title Of Patent Date Issued
6164602 Railroad frog assembly with multi-position holdback Dec. 26, 2000
4326466 Anti-back up device for conveyor trolley Apr. 27, 1982
4296842 Pawl and ratchet mechanism Oct. 27, 1981

  Recently Added Patents
Mobility management in a communications system
Nitride semiconductor laser device
Method and system for a low-power client in a wide area network
Online data conversion technique using a sliding window
Consistent retention and disposition of managed content and associated metadata
Vacuum cleaner filter adapter ring
Automated gate system
  Randomly Featured Patents
Golf club carrier
Mounting structure for semiconductor element
Method for manufacturing a birefringent film
Game apparatus
Catalysts and binder systems for manufacturing sand shapes
Team support in change recording and versioning systems
Apparatus for placing and aligning solder balls onto solder pads on a substrate for manufacturing IC devices
Reactive blue dyes containing monochlorotriazine and acetoxyethyl sulfone groups
Stairs and railing system for multi-floored buildings and method of constructing same
Dock or pontoon ladder