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
Potato cultivar F10
Power-saving receiver
Tandem electric machine arrangement
Secondary battery pack including insulative mounting member into which PCM is inserted in lateral direction
Method and system for streaming digital video content to a client in a digital video network
Digital processing method and system for determination of optical flow
Image forming apparatus
  Randomly Featured Patents
Burst-protected steel pressure vessel with double protection in radial as well as axial direction
Method for preparing nitrobibenzyl systems
Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid compounds with pyridone derivatives
Method of manufacturing electronic apparatus including plastic substrate, electronic apparatus manufactured using the method, and apparatus for use in the method
Front cover for an agricultural machine
Graphical code readers that provide sequenced illumination for glare reduction
Food plant harvester with improved recovery system
Lithographic method using double exposure techniques, mask position shifting and light phase shifting
Computer-implemented methods and systems for generating software testing documentation and test results management system using same
MP3 player