4 Matching Results

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Plow. (open access)

Plow.

Patent for an improved plow, which can support a rudder-blade adapted for use with a middle-breaker moldboard.
Date: December 31, 1901
Creator: Richmond, T.
System: The Portal to Texas History
Corn and Cotton Planter (open access)

Corn and Cotton Planter

Patent for "a machine for planting corn or cotton, that may be attached to almost any kind of plow, simple in construction, easily repaired by an ordinary blacksmith, and capable of use in a satisfactory manner for planing where stumps and rocks would interfere with the operation of machines of ordinary construction" (lines 9-15).
Date: August 31, 1880
Creator: Krüger, Theodore Charles Herman
System: The Portal to Texas History
Tire-Tightener. (open access)

Tire-Tightener.

Patent for improvements in tire tighteners by using wedges with longitudinal ridges, longitudinal tapering ridges or webs, together “with a wheel-rim, clamps arranged in pairs upon each side of the felly-joint, the clamps consisting of plates have a fluted or corrugated inner surface …., the extension of the registering plates being connected by transverse bolts.” (lines 37-45) Illustration is included.
Date: March 31, 1891
Creator: Reeves, Alexander Marion
System: The Portal to Texas History
Plumb-Level. (open access)

Plumb-Level.

Patent for a new and useful level of " that class embodying a pivoted index-finger operating in conjunction with a graduated dial" (line 7 10).
Date: October 31, 1899
Creator: Jordan, John J. & Wallace, Olifford L.
System: The Portal to Texas History