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Improvement in Throttle-Valve Stands and Stems.

Description: Patent for "a new arrangement of support for the stem of a throttle-valve, and has for its object to facilitate the lubricating of the screw and cause the parts to be firmly held in place." (Lines 19-23) Includes instructions and illustrations.
Date: April 2, 1872
Creator: Compant, John M. & Krauskopf, Engelbert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Electro-Magnetic Engines.

Description: Patent for "a new practical application of electro-magnetism to machinery for the purpose of moving the same and keeping it in motion, and developing a degree of force which is only limited by the reduced proportion of power applied. The invention consists principally in the transmission of electro-magnetic power through compressed air for motor purposes, and the mechanism and combination of machinery necessary for that purpose." (Lines 12-22) Includes instructions and illustrations.
Date: April 9, 1872
Creator: Thornton, William G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Glass Globes or Reservoirs for Lamps.

Description: Patent for an "invention to prevent the breaking of glass globes used in kerosene lamps as reservoirs for the burning fluid; and this invention consists in the application around the reservoir of a rubber ring let into a groove, but projecting sufficiently to receive the concussion in case the lamp is overthrown." (Lines 10-16) Includes instructions and illustrations.
Date: April 16, 1872
Creator: Otto, Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Reversible Axle-Skeins.

Description: Patent for improvements in reversible axle skeins: "My invention consists of cast mental axle skeins fitted on the axles, whether of wood or iron, so that they can be turned from time to time, as they wear away, to remove the worn place from the wearing position and bring a part not worn thereto." (lines 5-10).
Date: April 16, 1872
Creator: Smith, Andrew F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Chairs.

Description: Patent for improvements in chairs: "the back, seat, foot rest, and head rest are all self adjusting, and operated by the natural movements of the occupant" (lines 11-13).
Date: April 16, 1872
Creator: Haupt, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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