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Construction
Class Information
Number:
14/31
Name:
Bridges
> Draw
Description:
Bridges of the draw type.
Sub-classes under this class:
Class Number
Class Name
Patents
14/47
Aprons
1
14/
Bascule
0
14/48
Buffers
0
14/50
Gates
1
14/43
Horizontally sliding
4
14/45
Lazy tongs
1
14/42
Lift
4
14/46
Locking devices
3
14/49
Signals
1
14/32
Swing
1
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7020924
Static stabilizers for bridges
Apr. 4, 2006
6851149
Lift-slide drawbridge
Feb. 8, 2005
6701562
Span lock with centering guide
Mar. 9, 2004
6536063
Guide channel structure
Mar. 25, 2003
5205010
Return-to-dock level mechanism for a hydraulic dockboard
Apr. 27, 1993
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