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
Semiconductor device having a multilevel interconnect structure and method for fabricating the same
Self assembly of elements for displays
Methods and systems for delivering customized advertisements
Monitoring heap in real-time by a mobile agent to assess performance of virtual machine
Preparation process of transition metal boride and uses thereof
Image processing device, image forming apparatus, and non-transitory computer readable recording medium
Photomask blank, photomask blank manufacturing method, and photomask manufacturing method
  Randomly Featured Patents
Roller blind, particularly for use as blackout shade
Raft with removable weighted members that provide buoyancy
Oxygen self-rescuer apparatus
Driving system
Valve actuator
Exhalatory pressure device and system thereof
Benzothiazepin-4-one derivatives, their preparation and their application in therapy
Insertion of prefetch instructions into computer program code
Use of vasopeptidase inhibitors in the treatment of metabolic diseases, nephropathy and advanced glycation end-product associated diseases
Viewing restricting method and viewing restricting apparatus