Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 14/46
Name: Bridges > Draw > Locking devices
Description: Devices for positively locking drawbridges against movement.










Patents under this class:

Patent Number Title Of Patent Date Issued
8590086 Wear resisting span lock system Nov. 26, 2013
6701562 Span lock with centering guide Mar. 9, 2004
6588041 Pre-load adjustment for span lock system Jul. 8, 2003
5327605 Energy-absorbing span lock system for drawbridges Jul. 12, 1994











 
 
  Recently Added Patents
Laser processing a multi-device panel
Liquid crystal panel and liquid crystal display
System for determining potential lot consolidation during manufacturing
Solid-state image sensing device and control method of solid-state image sensing device
Head shield
Tiger paw stationary tab
Biodegradable aliphatic-aromatic copolyester for use in nonwoven webs
  Randomly Featured Patents
Image input apparatus using projected light
Small-sized motor, small-sized vibration motor, and portable information device
Integrated dual band H-field shielded loop antenna and E-field antenna
Two-needle sewing machine
Method for producing a pseudo-stochastic master surface, master surface, method for producing a cylinder cover, cylinder cover, machine processing printing material, method for producing print
Cool feeling tissue product and method
Biodegradable disposable tableware and methods for making same
Computer method and apparatus for model transformation reapply
Mine roof support system
Catalytic reaction apparatus