UNT Libraries Government Documents Department - 13,660 Matching Results

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Cotter-Pin Puller

Description: Patent for cottor-pin puller that is useful to pull cotter pins that are secured in shafts, fly wheels or any other devices without bending or twisting or damaging them.
Date: October 31, 1916
Creator: Hayden, Jefferson B.


Description: Patent for improved automatic liquid fuel feed regulator for steam generators especially adapted for use in connection with steam generators in which liquid hydrocarbon or case is used as fuel.
Date: May 19, 1914
Creator: Ford, Arthur


Description: Patent for a new and useful Grave-Marker. The body of the improved grave marker or cradle is elongated or somewhat elliptical in contour, and its central portion is open, in order that the grave marker or cradle may surround a grave.
Date: May 5, 1914
Creator: Kimball, Herbert E

Rotary Drilling Apparatus

Description: Patent for well drilling apparatus (commonly known as rotaries) with eliminated screws and nuts, and reduced minimum number of parts, and which provides a quickly and easily operable gripping device.
Date: June 22, 1915
Creator: Black, Lee J.


Description: Patent for a new railroad tie constructed of concrete material with detachable internal reinforcements used to support the rail fastening system, with illustrations.
Date: March 31, 1914
Creator: Baca, August


Description: Patent for an improved pencil sharpening attachment that attaches to the driving shaft of the motor of an electric fan. The fan serves the purpose of acting as a fan and sharpening a pencil.
Date: September 12, 1916
Creator: Dodd, Chester C.

Belt Attachment for Trousers.

Description: Patent for a new invention of belt loops for trousers that are located inside the waistband with "the loop in the middle of the back being located lower than the others, and a belt confined entirely within the trousers and secured to the trousers at the front only and at a point lower than the adjacent loops." (lines 71-77).
Date: September 28, 1915
Creator: Woodruff, William Douglas

Resilient Wheel.

Description: Patent for a resilient wheel showcasing adjustable or sectional rims. Modification also exhibits lightness quality, balance for proper distribution, and is noiseless with easy running abilities.
Date: February 23, 1915
Creator: Dysart, Marby P.


Description: Patent for hose support with pivoted standard having a part which is adapted to support the nozzle of the hose, with illustrations.
Date: October 20, 1914
Creator: Praeger, Ewald