Improvement in Cultivators. (open access)

Improvement in Cultivators.

Patent for improvements to a cultivator "which, for convenience of operation, may be attached to the wheels or frame of any ordinary wagon or cart, or it may be operated independently of either of the above by attaching the draft animals directly to the main or principal beam to which the plow-points are connected." (Lines 10-16) Includes instructions and illustrations.
Date: February 18, 1873
Creator: Hinckley, Jacob B.
System: The Portal to Texas History
Improvement in Horse-Powers. (open access)

Improvement in Horse-Powers.

Patent for improvements made to motors that power machinery, called "horse-powers." The specific improvements made are in the arrangement of mechanical pulleys from which the motor derives power, arranged in such a way that will not significantly increase the size or cost of the machine.
Date: February 4, 1873
Creator: Müller, Joseph
System: The Portal to Texas History
Churn-Power. (open access)

Churn-Power.

Patent for a new and improved motorized churn. This design "has for its object to provide a means for converting a rotary into a reciprocating movement and regulating the range of the reciprocating mechanism" (lines 15-18).
Date: February 24, 1880
Creator: Britain, Thomas J.
System: The Portal to Texas History
Screw-cutting Die. (open access)

Screw-cutting Die.

Patent for a screw-cutting die, including illustrations. The invention includes "a die-plate of special construction, adapted to cut either right or left hand threads" (lines 12-13).
Date: February 6, 1883
Creator: Müller, Joseph
System: The Portal to Texas History
Rivet-Set. (open access)

Rivet-Set.

Patent for an improvement in rivet-sets which having various sizes of holes and cavities for cutting and setting; it can be riveted by hand or machine. Illustration is included.
Date: February 10, 1891
Creator: Wilson, William A.
System: The Portal to Texas History
Petroleum-Oil-Burner (open access)

Petroleum-Oil-Burner

Patent for an oil burner for providing heat, light, and for cooking or baking. It super heats steam in two steam chambers to generate more heat.
Date: February 3, 1903
Creator: Demory, Alexander F. & Barron, William G.
System: The Portal to Texas History
Cultivator (open access)

Cultivator

Patent for Cultivator.
Date: February 27, 1917
Creator: Harris, Henry A.
System: The Portal to Texas History
Awning-Lock (open access)

Awning-Lock

Patent for a novel locking attachment for awning locks. Device locks so that is it inaccessible from the outside, therefore providing security from intruders.
Date: February 26, 1918
Creator: Hatchl, Harold C.
System: The Portal to Texas History
Crossing for Railway-Tracks. (open access)

Crossing for Railway-Tracks.

Patent for incorporating durable gaps within railway-rails to improve performance, with illustrations.
Date: February 24, 1920
Creator: Thomas, Lester V.
System: The Portal to Texas History
Windmill. (open access)

Windmill.

Patent for improving windmills by attaching the vanes at angles that best match the wind's direction.
Date: February 12, 1918
Creator: Liles, Leander W.
System: The Portal to Texas History