Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Method and system for tracking mobile electronic devices while conserving cellular network resources
Method and apparatus for internet on-line insurance policy service
Communication terminal device, communication system, and communication control method
Organic compounds
Light fixture
Process for making thermoplastic polymer pellets
Alleviation of laser-induced damage in optical materials by suppression of transient color centers formation and control of phonon population
  Randomly Featured Patents
Noise screen for attitude control system
System and method utilizing virtual switching for substation automation
Microfluidic regulating device
Framework for progressive hierarchial and adaptive delivery rich media presentations and associated meta data
Corrosion resistant cobalt-base alloy containing hafnium and a high proportion of chromium and method of making fibers
Dry chemistry glucose sensor
Terrorist vehicle barrier
Position sensorless control algorithm for AC machine
Ring binder
Continuous rolling method of cast billets