9 Matching Results

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Sulky Plow (open access)

Sulky Plow

Patent for a sulky plow. This invention is designed to "provide a simple, durable, and highly efficient means for angularly adjusting the rear caster or follower wheel, which runs in the newly-made furrow" (lines 16-19). Illustrations included.
Date: November 21, 1905
Creator: Zant, John S.
System: The Portal to Texas History
Wagon Coupling (open access)

Wagon Coupling

Patent for wagon coupling. Illustration included.
Date: June 14, 1904
Creator: Keene, Charles Earnest
System: The Portal to Texas History
Combination Measuring Instrument (open access)

Combination Measuring Instrument

Patent for a combination measuring instrument. Illustration included.
Date: September 13, 1904
Creator: Terry, William Blake
System: The Portal to Texas History
Automatic Balance Attachment for Windmills. (open access)

Automatic Balance Attachment for Windmills.

Patent for an automatic balance device for windmills that attaches to the pump-rod.
Date: December 23, 1902
Creator: Terry, Blake
System: The Portal to Texas History
Carriage Bow Support (open access)

Carriage Bow Support

Patent for a carriage bow support. This invention is designed for use with buggies and absorb shock and jarring motions. Illustration included.
Date: January 15, 1907
Creator: Ledbetter, Rufus C.
System: The Portal to Texas History
Protractor. (open access)


Patent for a new and improved protractor. This design "is to make a protractor or plotter by which may be calculated the length of the base, perpendicular, and hypotenuse of a right-angled triangle where the latitude and departure or the altitude and depression are given" (lines 15-20). To this end, it consists, "with the semicircular protractor provided with a rectangular opening the edges of which are graduated, and centrally-pivoted vernier, of the departure-scale arranged to move up or down within the said rectangular scale within the semicircular scale" (lines 6-12).
Date: June 10, 1890
Creator: Dolman, John H.
System: The Portal to Texas History
Surgical Instrument. (open access)

Surgical Instrument.

Patent for speculum instrument used in treating women's sexual and reproductive health with new plunger mechanism for inserting powdered medicines.
Date: July 18, 1916
Creator: Finley, Hulon Kirk
System: The Portal to Texas History
Cultivator Fender (open access)

Cultivator Fender

Patent for cultivator fenders, which will assist in tilling the earth for proper planting methods. This invention will allow for the removal of weeds close to plants without burying the plants in soil.
Date: November 16, 1917
Creator: William M. Peel
System: The Portal to Texas History
Carpenter's Tool. (open access)

Carpenter's Tool.

Patent for carpenter's tool that has an "adjustable pattern" that can assist in "determining the exact size and configuration of the space in which a stair tread or riser is adapted to be fitted" (lines 9 - 12).
Date: February 11, 1919
Creator: McDermett, Jim E.
System: The Portal to Texas History