4 Matching Results

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Improvement in Fish and Animal Traps (open access)

Improvement in Fish and Animal Traps

Patent for an improvement in the design of traps intended for catching fish or animals. Includes illustration.
Date: September 18, 1872
Creator: Hartcourt, John T.
System: The Portal to Texas History
Improvement in Apparatus for the Manufacture of Gas from Oils. (open access)

Improvement in Apparatus for the Manufacture of Gas from Oils.

Patent for "machines for the manufacture of gas from oils, benzine, gasoline, &c.; and it consists in providing the tank or cistern with a retort constructed with an outer cylinder surrounding one or more cylinders or tubes, which inner cylinder is provided with perforated plates at the top and bottom thereof, and the space between said plates filled with sponge or other porous material, while the space or chamber between the inner and outer shell of the retort serves as a mixing-chamber for the oil and air before being forced through the sponge and delivered to the service-pipe." (Lines 17-30) Includes instructions and illustrations.
Date: June 18, 1872
Creator: Gearing, Charles & Gearing, Franklin A. G.
System: The Portal to Texas History
Improvement in Buckles. (open access)

Improvement in Buckles.

Patent for improvement in buckles by providing “with two two tongues on the same pivot, and with a guard for securing the same and the straps in position, thereby producing a simple and reliable means of connecting two straps.” (Lines 6-10) Illustration is included.
Date: June 18, 1872
Creator: Hardeman, Jerome B. R.
System: The Portal to Texas History
Improvement in Car-Couplings (open access)

Improvement in Car-Couplings

Patent for an improved car-coupling that lets cars couple automatically when they run together and uncouple automatically in the event of an accident. Includes instructions and an illustration.
Date: June 18, 1872
Creator: Jourde, Alfred J.
System: The Portal to Texas History