UNT Libraries Government Documents Department - 170 Matching Results

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Spring Wheel

Description: Patent for a form of tire designed in such a way to avoid the dangers of a punctured tire. This is done by an arrangement of crossing springs used to support the outer wall of the tire instead of inflatable medium.
Date: June 3, 1913
Creator: Dwiggins, R, Sam & Kelley, E, Lawrence

Saw Gage and Filing Clamp

Description: Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date: April 1, 1913
Creator: Curby, George W.


Description: Patent for a roof climber for use by workers on roofs that allows them to stand supported by it or sit on it and have their weight equally distributed
Date: November 8, 1910
Creator: Wilkerson, Thurston A.

Curtain Roller

Description: Patent for a curtain roller. The invention is designed to slow the curtains movement so that the curtain can be adjusted. Illustration included.
Date: October 12, 1909
Creator: Tripp, Hamilton

Mechanical Movement.

Description: Patent for a mechanical movement for ratchet feeding mechanisms " in which movement is imparted from a rocking lever to a ratchet wheel through the medium of a plurality of pawls that are so connected to the lever as to operate on the ratchet wheel during movement of the levers in both directions"(lines 10-16).
Date: March 16, 1909
Creator: Oswald, William S.


Description: Patent for a turning plow with "a wheel for operating in the bottom of the furrow in rear of the lower end of the standard, which...serves the purposes of an ordinary land side-plate..."(lines 10-13).
Date: July 14, 1908
Creator: Ausburn, John H. & Ausburn, Vivian

Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator, which claims to improve upon this device by simplifying the "means for feeding carbid to the water," (line 14) hence making it "more efficient and durable in use and less expensive to manufacture." (lines 19-21)
Date: April 3, 1906
Creator: Dulaney, John B.

Land Grader and Ditcher

Description: Patent for a land grader and ditcher that is durable and easy to use to ditch a large area and the scraping blade can be easily removed for cleaning, repairs or other reasons.
Date: September 19, 1905
Creator: Reed, Allen T.

Adjustable Window-Shade Hanger.

Description: Patent for a window-shade hanger that can be "adjusted to fit windows of various widths and shaderollers which vary in length and which may be readily put up and taken down." (lines 18-21) including illustration.
Date: August 29, 1905
Creator: Neale, Albert S.