UNT Libraries Government Documents Department - 146 Matching Results

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Agricultural Implement.

Description: Patent for "the production of simple and inexpensive means whereby the ordinary farming implements--such as plows, cultivators, and the like--may be readily convert to the sulky or wheeled type." (line 11-15) including instructions and illustrations.
Date: January 23, 1906
Creator: Cornelison, Jesse U.
Item Type: Refine your search to only Patent

Antifreezing Valve and Closet-Cistern

Description: Patent for "valves which will allow all the water to flow out of the popes to a position below freezing-point after each application of water, whether the water is used in a closet-cistern or drawn out of a hudrant or other application is made, and to arrange the valves so that the supply-valves will be automatically closed by water-pressure in connection with the operation of a siphon in a closet-cistern and the waste-valve will be closed by the pressure of water, siphonic action, or both, whe… more
Date: April 23, 1901
Creator: Wilkes, George W.
Item Type: Refine your search to only Patent

Apparatus for Sizing Ores or for Other Uses

Description: Patent for an apparatus for sizing ores. This invention is to "accomplish and accurate or approximately accurate sizing or classification of ores or granular materials in a rapid and thorough manner and with as large a capacity as possible" (line 15-19) illustrations included.
Date: June 23, 1903
Creator: Swain, Seth Russell
Item Type: Refine your search to only Patent

Automatic Switch Indicator

Description: Patent for an automatic switch indicator. This invention is designed to "prevent accidents resulting from misplaced switches, due to the carelessness of the railroad employees or the inability of the engineer to see the customary track-signals" (line 14-19). Illustrations included.
Date: October 23, 1906
Creator: Coffin, Edward F.; Shaw, Carey & Green, Samuel
Item Type: Refine your search to only Patent

Bale-Tying Machine.

Description: Patent for a bale tying machine that wraps and ties cylindrical bales, "especially for placing wrappers of jute or other bagging material around cylindrical cotton - bales" (lines 11-14) while holding the bale compressed.
Date: January 23, 1906
Creator: Cagle, Carter M.
Item Type: Refine your search to only Patent

Bow Facing Oar

Description: Patent for an oar facing the bow side of the craft. The invention allows for the rower to sit facing the direction of movement of the boat and be able to apply greater amounts of exertion. Illustration included.
Date: October 23, 1906
Creator: Case, William C.
Item Type: Refine your search to only Patent

Cabinet

Description: Patent for a phonograph cabinet which has specialized storage for records with a built in cataloging and record finding system composed of letters running horizontally across the cabinet and numbers on a sliding strip which when put together with a letter will indicate the position of the record.
Date: March 23, 1909
Creator: Keltz, Eugene
Item Type: Refine your search to only Patent

Caurbureter for Explosive-Motors

Description: Patent for a carburetor for explosive motors designed with a measuring chamber for liquid hydro-carbon and a mixing chamber to regulate the amount of liquid hydrocarbon used to enrich the body of incoming air. Illustrations included.
Date: February 23, 1909
Creator: Slaughter, George W., Jr.
Item Type: Refine your search to only Patent

Cement.

Description: Patent for cement of the type commonly known as Keene's cement, which is harder and glossier than other types of cement.
Date: March 23, 1909
Creator: Jones, Thomas
Item Type: Refine your search to only Patent
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