7 Matching Results

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in subjects: "bridges built works"  
Results: 1 - 7

Improvement in Bridges.

Description: Patent for an improvement in Bridges and Self-Supporting Roofs and Girders. The invention provides instruction for "the construction of truss-bridges and self supporting roofs and girders"..."by nailing or bolting securely together successive layers of plank joined at different points."
Date: September 23, 1873
Creator: Davis, Benjamin F.
Partner: UNT Libraries Government Documents Department

Bent for Suspension-Bridges.

Description: Patent for improvements in bents for suspension-bridges by securing the columns with wire braces, cross-bar and anchor-pins. Illustration is included.
Date: September 3, 1889
Creator: Runyon, Edwin Elijah
Partner: UNT Libraries Government Documents Department

Bridge.

Description: Patent for "a simplified and cheapened construction of bridge whereby the weight and strain will be more equally divided and the braces so arranged that expansion and contraction laterally are avoided, while permitting of the necessary expansion and contraction longitudinally of the bridge." (Lines 13-20) Includes instructions and illustrations.
Date: June 16, 1896
Creator: Mitchell, Hirtie F.
Partner: UNT Libraries Government Documents Department

Bridge

Description: Patent for the construction of substantial bridges of wood adapted for long spans, and which can be put up where iron bridges would be too expensive.
Date: May 24, 1881
Creator: Brenner, August W.
Partner: UNT Libraries Government Documents Department

Bridge Construction

Description: Patent for a bridge building technique especially for arch or span bridges, to stabilize the bridge as well as making the bridge easy to assemble.
Date: December 29, 1914
Creator: Huebner, George
Partner: UNT Libraries Government Documents Department

Bridge-Truss.

Description: Patent for an invention, which relates to a new and useful truss, particularly intended for bridges but applicable also for use in various other structures.
Date: November 24, 1914
Creator: Beard, Eddie
Partner: UNT Libraries Government Documents Department

Bridge Construction.

Description: Patent for a new and useful bridge construction, including instructions and illustrations.
Date: June 14, 1898
Creator: Davidson, James Allen
Partner: UNT Libraries Government Documents Department
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