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6 Matching Results
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6
Gate.
Patent for centrally pivoting gates that can "be readily opened and closed from a vehicle or from on horseback" (lines 13-14).
Date:
April 26, 1892
Creator:
Pearce, William J.
System:
The Portal to Texas History
Safety-Signal-Board Attachment.
Patent for an attachment to railroad safety signal boards that holds orders for trains in a box that only opens when the danger or stop signal is raised on the semaphore. To get the clear signal, the orders must be replaced in the box or put on a clip on the outside of the box, which rings an alarm while they are there to alert the railroad operator to reset the box.
Date:
February 26, 1907
Creator:
Gates, William Thomas
System:
The Portal to Texas History
Framing-Tool
Patent for a framing tool designed to ease the laying of "rafters, stair carriages and the like" (lines 14-15). The tool assists in measuring proper "dimensions of cuts to be made in timber to accomplish desired construction" (lines 19-20).
Date:
September 26, 1911
Creator:
Whitlock, John N.
System:
The Portal to Texas History
Aeroplane
Patent for an improvement to aeroplanes which includes movable horizontal and vertical planes (or curtains).
Date:
February 25, 1911
Creator:
Blewett, Baxter W.
System:
The Portal to Texas History
Valve
Patent for a valve for rotary steam engines.
Date:
November 26, 1912
Creator:
Faulkner, Thomas F.
System:
The Portal to Texas History
Solid Lubricating, Hard and Fracture Resistant Composites for Surface Engineering Applications
Patent relating to solid lubricating, hard and fracture resistant composites for surface engineering applications.
Date:
February 18, 2013
Creator:
Gopagoni, Sundeep; Scharf, Thomas W.; Banerjee, Rajarshi & Tiley, Jaimie S.
System:
The UNT Digital Library