UNT Libraries Government Documents Department - 567 Matching Results

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Rotary Engine

Description: Patent for a rotary engine. This invention consists of a "stationary jacket and a rotor revoluble therein with a maximum degree of power and a minimum of friction" (lines 11-14). Illustrations included.
Date: August 6, 1912
Creator: Bosley, William C.
Item Type: Refine your search to only Patent

Vehicle-Hoist.

Description: Patent for vehicle hoist that "will be operated automatically by the momentum of the vehicle" (lines 17-19). The hoist is intended to be accessible to all users, professional and layperson, due to its simple design and lower price.
Date: December 6, 1921
Creator: Boutte, John G.
Item Type: Refine your search to only Patent

Cotton Knife and Hook.

Description: Patent for Cotton Knife and Hook, a tool used for cutting and pulling out cotton from the bales. The tool has a knife with a curved point at the tip, as well as a notch for the user to place a finger for support.
Date: May 6, 1913
Creator: Bowers, Jacob R.
Item Type: Refine your search to only Patent

Internal-Combustion Engine.

Description: Patent for "improved construction and arrangement of parts of two cycle motors" (lines 15-17) of gas engines involving the compression and introduction of additional explosive material into the explosion chamber at the end of each cycle of movement. This invention intends to improve the efficiency of gas use, cool the motor's cylinder walls more easily, and delay the wearing of piston rings.
Date: August 6, 1918
Creator: Brevard, Procter
Item Type: Refine your search to only Patent

Cultivator Attachment.

Description: Patent for cultivator attachment that is useful in breaking up the soil at opposite side of the plants and leveling the ground between the rows. It can be adjusted to any desired angle (vertical, horizontal) or level (up and down).
Date: January 6, 1903
Creator: Brewer, John Meed
Item Type: Refine your search to only Patent

Combined Clothes Washer and Churn.

Description: Patent for a new and improved combined clothes washer and churn. This design "is to facilitate the operations of washing clothes and churning, and also to avoid the necessity of having a separate mechanism for each use. The invention consists in the peculiar construction and arrangement of parts" (lines 16-21).
Date: March 6, 1883
Creator: Bridges, Mary Jane
Item Type: Refine your search to only Patent

Fishing Tool

Description: Patent for invention that improves fishing. Not only is the tool used for fishing, it can find and remove objects from the water.
Date: December 6, 1921
Creator: Brown, Charles Henry
Item Type: Refine your search to only Patent

Wrench

Description: Patent for an improved model of wrench, designed to work upon the bore of tubes, thimbles, and other forms of pipes. This invention improves on the construction of the wrench, allowing it to be inserted in the end of a tube, and when rotated, be effectively engaged with the tube to turn the same.
Date: March 6, 1917
Creator: Brown, Charley S.
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Handle for Pans, Tubs, &c.

Description: Patent for a wire handle for pans, tubs, &c that consists of two handles on either side of the tub, which are connected via a wire that fits in the lip of the rim of the receptacle. The handles, when taken out of the receptacle, consist of one single frame.
Date: February 6, 1894
Creator: Brown, John Stoddart
Item Type: Refine your search to only Patent

Padlock.

Description: Patent for a new and improved padlock. This design "has for its object to provide an improved lock which, while simple in construction and operation, is at the same time so constructed as to be proof against the possibility of picking by unauthorized persons, and one which when unlocked will automatically release itself from the object and which locks of itself when sprung together" (lines 7-15). It consists in "a locking-lever pivoted at its center in said casing and provided with a locking-pi… more
Date: September 6, 1892
Creator: Brown, Vories P.
Item Type: Refine your search to only Patent

Grapple.

Description: Patent for a grapple, a device "for handling brick - that is, for moving brick from one point to another" (lines 13-14).
Date: November 6, 1900
Creator: Brownfield, James G.
Item Type: Refine your search to only Patent
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