Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 14/25
Name: Bridges > Arch > Compound
Description: Bridges in which the arch is not a simple structure, but is composed of a lattice girder, a bowstring-truss, or some other compound structure.


Patents under this class:

Patent Number Title Of Patent Date Issued
7062812 Arch bridge Jun. 20, 2006
6892410 Reinforcement structure of truss bridge or arch bridge May. 17, 2005
6401285 Undulating support structure bridge Jun. 11, 2002
6138309 Tension members for erecting structures Oct. 31, 2000
5655347 Biarch-framing member for arched structures Aug. 12, 1997
4704754 Tension arch structure Nov. 10, 1987
4691399 Rehabilitation of steel truss bridges by means of reinforcing arches Sep. 8, 1987
4644978 Tension arch structure Feb. 24, 1987
4464803 Tension arch structure Aug. 14, 1984



 
 
  Recently Added Patents
Buffer circuit and buffer control method
Method and device for deployment of a sub-pericardial sack
Pseudo-differential output driver with high immunity to noise and jitter
Memory-card attachment
Methods and apparatus for cardiovascular exercising
Ink ejection method and inkjet ejection device
Hierarchically locating a feature in a digital image
  Randomly Featured Patents
Due-date alarm for rented items such as video cassettes and DVDs
Shutter device and projection type video display
Information handling system including a battery switching circuit
Burst access memory with zero wait states
Decoration plate
Process for treating wood products
High-speed difference pulse code modulation coder
Combination switching connector
Electronic still camera having an image sensor in which reading and clearing is performed sequentially
Position detection for rotary control valves