UNT Libraries Government Documents Department - 64 Matching Results

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Improvement in Umbrella-Supporters.

Description: Patent for "a simple and convenient device for supporting and carrying a parasol or umbrella in such a way as to leave the hands free, and which will enable the parasol or umbrella to be tilted or inclined forward or back, or to either side, as may be required" (lines 8-14). Includes instructions and illustrations.
Date: January 11, 1876
Creator: Arnold, Eliza M.
Item Type: Refine your search to only Patent

Improvement in Policemen's Batons.

Description: Patent for an improved policemen's baton made of flexible material, such as india-rubber or gutta-percha, and sometimes an interior metal stem. Using a flexible material makes the baton elastic enough so that no serious injury can be caused, yet it is still effective. Illustration included.
Date: October 14, 1873
Creator: Beery, Simon & McDonald, John W.
Item Type: Refine your search to only Patent

Improvement in Locomotive Smoke - Stacks.

Description: Patent for new and useful improvement in locomotive smoke stacks, "in which the sparks, live cinders, and other heavy particles are arrested near the top of the stack." It consists of a petticoat-pipe, arranged so that it may be raised or lowered for the purpose of regulating the draft.
Date: January 5, 1875
Creator: Cleary, Edward
Item Type: Refine your search to only Patent

Steam-Cooking Apparatus.

Description: Patent for a steam-cooking apparatus, "in which the heat of steam in pipes or tubular jackets is made to cook food without the direct action of fire by radiation, conduction, or convection" (lines 8-11).
Date: October 29, 1878
Creator: Curtin, Martin
Item Type: Refine your search to only Patent

Improvement in Railroad-Switches.

Description: Patent for improvement in railroad-switches by “mounting a frog on a plate, and provided with pivoted rails or rail-sections, arranged for operation in connection with fixed rail-sections upon the plate, to form a continuity with either line of main rail, and connected below the plate by pivoted bars or levers, to secure a relative action or adjustment of the pivoted or movable rail-sections, whereby a very perfect and simple frog operating to prevent break in the main line or lines is obtained… more
Date: July 16, 1872
Creator: Fitzsimmons, Henry
Item Type: Refine your search to only Patent

Improvment in Cultivators.

Description: Patent for improvement in digging or cultivation machines primarily adapted to the cultivation of cotton. Includes parts that can be added or removed from the machine, thereby reducing the number of machines needed for farm work. Includes illustrations and instructions.
Date: September 10, 1872
Creator: Forsgard, Gustave A.
Item Type: Refine your search to only Patent

Cart-Saddle

Description: Patent for a more animal-friendly saddle to attach a horse to a cart by adjusting the way the girth is handled as the cart is loaded.
Date: April 1, 1879
Creator: Franks, Ely Anderson
Item Type: Refine your search to only Patent

Improvement in Apparatus for the Manufacture of Gas from Oils.

Description: 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 th… more
Date: June 18, 1872
Creator: Gearing, Charles & Gearing, Franklin A. G.
Item Type: Refine your search to only Patent

Improvement in Blow Offs For Boilers

Description: Patent for Improvement in Blow Offs For Boilers provides details of the construction of the blow off device with two labeled Figures and descriptive text. Also includes the significance of the blow off device and how it will improve locomotive travel by conserving water.
Date: September 10, 1872
Creator: Husted, Esbon Forrest
Item Type: Refine your search to only Patent
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