UNT Libraries Government Documents Department - 207 Matching Results

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Specific-Gravity Scale

Description: Patent for a type of weighing-scale, "designed for determining the specific gravity of any body, be it solid, liquid, or a gas" (lines 14-15) including illustration.
Date: January 21, 1902
Creator: Bogue, Robert Jackson

Appliance for Protecting Oil-Wells from Fires.

Description: Patent for an appliance for protecting oil-wells from fires. As stated within the patent, "this invention relates to certain new and useful improvements in appliances for protecting oil-wells from fires; and to this end it consists of the novel combination and arrangement of parts hereinafter more specifically described in the accompanying drawings, and particularly pointed out in the claims herein appended" (Lines 9-16).
Date: March 11, 1902
Creator: Cochran, James M.

Spring-Scale.

Description: Patent for improvements in spring-scales by providing novel means for measuring and indicating the quality of liquid left in or drawn from a container. (Lines 9-10) Illustration is included.
Date: April 22, 1902
Creator: Smith, John D.

Washing-Machine.

Description: Patent for washing machine. Objective is to make the machine inexpensive and capable of washing clothes with rapid cycles without any harm to the fabric.
Date: August 5, 1902
Creator: Sparkman, William

Saw-Set.

Description: Patent for an improved saw set with improved jaw design to improve locking of saw. This saw set makes up part of a saw filing machine.
Date: September 11, 1902
Creator: Smith, John D.

Wind-Motor.

Description: Patent for wind motors that has new and useful improvements," is simple and durable in its constructions, very effective and powerful in operation, transmits the force of a series of wind-wheels to a common shaft for driving pumps or other machines" (lines 11-16).
Date: December 16, 1902
Creator: Cochran, James M.

Rail-Joint.

Description: Patent for the improvement of railroad constructions by means of using a fishplate that provides an effective connection between two rail bars and secures the accuracy in lining the bars up.
Date: August 25, 1903
Creator: Starkey, Ollie B.

Saw-Filing Machine

Description: Patent for a Saw-Filing Machine. "This invention relates to saw-filing machines; and the object of the invention is to provide a simple and effective device of this character which is adapted to sharpen with accuracy and rapidity the teeth of different kinds of saws." (lines 8-13) including illustrations.
Date: August 25, 1903
Creator: Smith, John D.

Washing Apparatus.

Description: Patent for a "new and useful Washing Apparatus" (lines 6-7) that decreases the cost and increases the efficiency of current washing machines by automatically circulating hot water and steam through the clothes.
Date: December 1, 1903
Creator: Huffman, Wiliam Anthony & Huffman, Oscar Moses

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.

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.

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.
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