Resources
Contact Us
Home
Browse by:
INVENTOR
PATENT HOLDER
PATENT NUMBER
DATE
Browse by Category:
Main
>
Construction
Class Information
Number:
14/42
Name:
Bridges
>
Draw
> Lift
Description:
Drawbridges moving vertically (either up or down from normal position) with usually no horizontal motion.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5454127
Unbalanced bascule bridge with concrete slab roadway
Oct. 3, 1995
4473916
Access means
Oct. 2, 1984
4296516
Vertically adjustable bridge for connection with ships
Oct. 27, 1981
Recently Added Patents
Method and device for adjusting a laser
Debt collection practices
Non-volatile semiconductor memory device
Viscosity improver compositions providing improved low temperature characteristics to lubricating oils
Exposure method and apparatus
Differential transimpedance amplifier circuit for correlated differential amplification
Global amplification using random priming by a composite primer
Randomly Featured Patents
Supercharger for an engine with an engine-powered auxiliary device
Knob
Bending mandrel
Data communication apparatus having automatic data reception informing systems
Compounds containing a fused bicycle ring
Method and apparatus for recording and/or reproducing digital data
Differential amplifiers
Motor driven by a pressurized fluid medium for operating an impacting tool in a linear direction
Temperature compensating fluid friction clutch
Fungicides
© 2006-2008 PatentGenius. All Rights Reserved.
