UNT Libraries Government Documents Department - 625 Matching Results

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Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
Item Type: Refine your search to only Patent

Automobile Bed-Rack.

Description: Patent for a bed rack (bed roll) located at the rear of a car so that once the car cushions have been placed to form a mattress, the bed roll can be unwound to stretch and cover the cushions providing bedding and covering.
Date: December 23, 1919
Creator: Turner, John S.
Item Type: Refine your search to only Patent

Churn.

Description: Patent for improvements in churns, "specifically a churn disclosed in Patent No. 1268766, L. M. Payne, R. A. Thompson and L. P. Morris, June 4, 1918."
Date: March 9, 1919
Creator: Wilson, William W.
Item Type: Refine your search to only Patent

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Item Type: Refine your search to only Patent

Attachment for Cash-Registers.

Description: Patent for an attachment for cash registers which makes it impossible to remove paper to wrap a customer's purchase before the cash register has been opened, for the purpose of reducing "losses due to forgetfulness or dishonesty of clerks making sales" (lines 9-11), including illustrations and instructions.
Date: June 10, 1919
Creator: White, Robert N., Jr.
Item Type: Refine your search to only Patent

Cross-Roller Bit.

Description: Patent for a certain new and useful improvement in cross-roller bits. Invention relates to "improvements in rotary boring drills for use in drilling wells for water, oil or gas and has particular reference to drills of the so called cross roller type for use in hard formation."
Date: November 4, 1919
Creator: Hughes, Howard R.
Item Type: Refine your search to only Patent

AIR REGULATING ATTACHMENT

Description: Patent for an Air Regulating Attachment. This new invention for an air regulating attachment builds upon previous advancements to create an inexpensive air regulating attachment system, which will in turn be used to regulate engine carburetors (Oscar Kiessing).
Date: April 21, 1919
Creator: Kiessig, Oscar
Item Type: Refine your search to only Patent

Cooking Utensil.

Description: Patent for cooking utensil designed for roasting coffee, popping corn, roasting meat, and other food by hand over a fire or flame by rotating. The device is made of metal and mesh, turns by cranking, and the length of the shaft is adjustable for stability.
Date: June 17, 1919
Creator: Bogue, Robert J.
Item Type: Refine your search to only Patent

Weeding Device

Description: Patent for improving "the construction and increase the efficiency and utility" of "horse or motor drawn weeding devices." (Lines 8-11)
Date: May 31, 1919
Creator: Zetzman, William of Post, Texas
Item Type: Refine your search to only Patent

Collapsible Rim.

Description: Patent for new and useful improvements related to demountable rims that are collapsible. This improvement facilitates the removal of a tire in an easier and expeditious manner.
Date: May 20, 1919
Creator: King, Willis C.
Item Type: Refine your search to only Patent

Auto-Lock

Description: Patent for an invention of a valve locking device by which the fuel supply pipe can be cut off and a valve which is inserted in the said pipe locked in the cut off position.
Date: July 15, 1919
Creator: Melton, William C.
Item Type: Refine your search to only Patent
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