UNT Libraries Government Documents Department - 646 Matching Results

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Well-Screen.

Description: Patent for a "well screen in which a maximum screening area is obtained without weakening the frame" (lines 11-13) including instructions and illustrations.
Date: July 23, 1918
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent

Well-Screen

Description: Patent for a well screen with a greater amount of screen space that allows for a better flow of water while still obstructing other objects.
Date: April 26, 1910
Creator: Hall, Samuel N.
Item Type: Refine your search to only Patent

Well-Screen

Description: Patent for a well screen which allows water to flow through easily while stopping any other items from going through into the well.
Date: November 8, 1910
Creator: Decker, Harry R. & Houk, Russell W.
Item Type: Refine your search to only Patent

Well-Screen.

Description: Patent for improvements in the construction of well-screens in order to increase efficiency and prevent clogs using a "cheap and durable construction" (lines 11-12) that includes illustrations and a description.
Date: May 27, 1913
Creator: Layne, Mahlon, E.
Item Type: Refine your search to only Patent

Well-Shooting Torpedo.

Description: Patent for "torpedoes of the type used in "shooting" wells, the object being to provide a torpedo which will be especially useful in the removal of casings from wells" (lines 9-13), such as easier removal from dry wells. Also, modifications to the hammer are noted to ensure explosion.
Date: June 25, 1918
Creator: Franklin, Henry L.
Item Type: Refine your search to only Patent

Well-Strainer.

Description: Patent for improvements to well strainers. Plugs with slats are applied throughout the pipe, making the plugs stronger and capable of enduring more strain.
Date: September 28, 1915
Creator: McEvoy, Joseph H.
Item Type: Refine your search to only Patent

Wheel.

Description: Patent for light weight wheels for use in wheelbarrows and trucks, which are capable of handling large, heavy loads and lubricating its own hub bearings.
Date: September 26, 1911
Creator: Heibeck, John
Item Type: Refine your search to only Patent

Winding Drum.

Description: Patent for a winding drum that will prevent the overlap of the coils during winding, including instructions and illustrations.
Date: September 22, 1914
Creator: Voigt, Philip H. & Kuehne, Oscar C.
Item Type: Refine your search to only Patent

Winding Drum

Description: Patent for an improved winding drum. This uses a different type of adjustable cam that allows for less oscillation and better control of winding and unwinding the cable.
Date: November 25, 1913
Creator: Voight, Phillip H. & Kuehne, Oscar C
Item Type: Refine your search to only Patent

Window-Shade and Roller

Description: Patent for a Window-Shade and Roller that does not use springs or analogous devices to coil the curtain around the roller. This device rolls the curtain more evenly.
Date: May 31, 1910
Creator: Lowe, Purley E. & De Young, Blanche
Item Type: Refine your search to only Patent

Wire-Tightener.

Description: Patent for improvements in wire-tighteners with an illustration. Specifically, the patented improvement is for a "device" that can "be used for the purpose of tightening strands of wire of a wire fence" (lines 11-14).
Date: June 24, 1919
Creator: Wilson, James G.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a chain wrench "in which both of the jaws are similar and interchangeable and provided with additional sets of teeth whereby the life of the jaws is increased" (lines 12-16) including instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.
Item Type: Refine your search to only Patent
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