Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 14/41
Name: Bridges > Draw > Bascule > Locking devices
Description: Devices for positively locking the movable parts of bascule bridges against vertical or lateral movement.

Patents under this class:

Patent Number Title Of Patent Date Issued
8590086 Wear resisting span lock system Nov. 26, 2013
8387191 Gangway bearing retainer plate Mar. 5, 2013
6701562 Span lock with centering guide Mar. 9, 2004
6588041 Pre-load adjustment for span lock system Jul. 8, 2003
6453494 Movable bridge center lock Sep. 24, 2002
5327605 Energy-absorbing span lock system for drawbridges Jul. 12, 1994

  Recently Added Patents
Film-forming resins as a carrier for topical application of pharmacologically active agents
System and method for reliable packet data transport in a computer network
Polymers derived from benzobis(silolothiophene) and their use as organic semiconductors
Titanium compounds and complexes as additives in lubricants
Device and method for superimposing patterns on images in real time, particularly for guidance by location
Structural plasticity in spiking neural networks with symmetric dual of an electronic neuron
Method and system for providing intelligent call rejection and call rollover in a data network
  Randomly Featured Patents
Method of producing split bearings
Suit-type cosmetic air massage device
Apparatus for turning over conveyed articles
IP telephone system, IP telephone apparatus and communications method
Silicone containing powders
Stable aqueous silica dispersions
Delay/load estimation for use in integrated circuit design
Wet friction disc clutch
Apparatus for determining the location of a pointer within a region of interest