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5 Matching Results
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Collar.
Patent for "collar for use in connection with draft animals to use the pulling effect of the load upon the shoulders of the animal" (lines 8-11) through a flexible construction, including illustrations.
Date:
December 9, 1913
Creator:
Kennedy, William G.
System:
The Portal to Texas History
Window or Door Screen
Patent for a screen that can be applied to doors and windows.
Date:
July 5, 1910
Creator:
Miller, Annie
System:
The Portal to Texas History
Washing Machine
Patent for an improvement in washing machines that have a rocking cylinder or drum shaped agitator.
Date:
March 7, 1916
Creator:
McAnally, Marion L.
System:
The Portal to Texas History
Explosive-Engine.
Patent for "an improved engine of the internal combustion type, in which the explosion occurs between two oppositely moving pistons arranged in a cylinder and connected with independent crank shafts." (lines 13-17). The engine also includes a new type of valve gear with mechanically triggered valves and an apparatus for the forced water cooling of the engine.
Date:
November 19, 1918
Creator:
Cooper, Willis W.
System:
The Portal to Texas History
Rail-Joint.
Patent for a rail joint designed to prevent "longitudinal and lateral movements of the rails" (lines 14-15) as well as creeping by means of a new form of fish plate.
Date:
May 29, 1917
Creator:
Winter, Joe
System:
The Portal to Texas History