Resource Type
Counties
6 Matching Results
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Wagon Brace
Patent for wagon brace that obviates danger of thimbles breaking under excessive weight and strain.
Date:
November 25, 1919
Creator:
Albritton, James
System:
The Portal to Texas History
Irrigation Apparatus.
Patent for an irrigation apparatus that can be used in various size fields and mimics the falling of rain.
Date:
January 9, 1912
Creator:
Roddy, Isham L.
System:
The Portal to Texas History
Triple Valve for Fluid-Pressure Brakes.
Patent for a triple valve for fluid-pressure brakes in trains that prevents accidental triggering of the emergency brakes.
Date:
October 10, 1911
Creator:
Robinson, John W. & Douglas, Frank L.
System:
The Portal to Texas History
Mechanical Movement.
Patent for improved mechanical movements "applicable to windmills for operating pump-rods and the like" (lines 10-11) including instructions and an illustration.
Date:
April 15, 1913
Creator:
Ward, Ziba G.
System:
The Portal to Texas History
Horse-Collar.
Patent for a "simpler, less expensive" (line 22) horse collar, with an adjustable, laced seam that utilizes less material than other collars. Includes instructions and illustration.
Date:
March 28, 1916
Creator:
Hendrix, John M.
System:
The Portal to Texas History
Dirigible Headlight.
Patent for a new headlight design to automatically turn on the headlights with steering gear.
Date:
April 1, 1919
Creator:
Chalmers, Andrew E. & Chalmers, Welcome A.
System:
The Portal to Texas History