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5 Matching Results
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Automatic Cut-Out for Windmills
Patent for a windmill part which stops the windmill from running when the water tank is full.
Date:
July 16, 1907
Creator:
Roesler, John
System:
The Portal to Texas History
Cattle Guard.
Patent for improvements and new features to cattle guards on railways, including illustrations.
Date:
September 16, 1902
Creator:
Miller, Martin L.
System:
The Portal to Texas History
Improvement in Combined Planter and Cultivator.
Patent for improvement in combined planter and cultivator by “combining instruments such as hoppers, plow-beans, brace-bars, foot-levers and many others that required for preparing the ground, planting the seed, and cultivating the plants and which may be easily adjusted for the various uses.” (Lines 22-25) Illustration is included.
Date:
March 16, 1869
Creator:
Switzer, W. C.
System:
The Portal to Texas History
Improvement in Portable Derricks.
Patent for improvement in portable derricks by using an “adjustable crane mounted on a truck-platform, having an overhead frame for the support of the upper end of the crane-post, and braces for staying the frame, so that the crane can be turned around to overhang the sides.” (Lines 6-11) Illustration is included.
Date:
May 16, 1876
Creator:
Reams, Shirwood Y.
System:
The Portal to Texas History
Plow-Stock.
Patent for a new and improved plow-stock. This design is of "an improved plow-stock, which shall be so constructed that various kinds of standards, according to the various kind and size of the plows to be used, may be attached to it, which may be adjusted to take and leave land, as may be desired, and which shall be simple in construction and easily adapted" (para. 4).
Date:
January 16, 1877
Creator:
Weber, Robert
System:
The Portal to Texas History