UNT Libraries Government Documents Department - 55 Matching Results

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Condenser for Cotton-Presses.

Description: Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.

Hat-Pin

Description: Patent for a hat pin. This hat pin utilizes a new form of guard to house the pin to prevent injury and keep it from accidentally slipping out. It is also designed to be ornamental, compact, and can be applied to many different types of hat.
Date: May 14, 1918
Creator: Collier, William Reid

Power-Transmitting Means

Description: Patent for improving power-transmitting means. The patent reduces the ratio of rotary to reciprocatory movement, with illustrations.
Date: May 31, 1921
Creator: Benson, Madison H.

Shoe-Sewing-Machine Attachment.

Description: Patent for sole channel cutting for shoe sole sewing machines in which "the sole will be channeled for the insetting of the stiches, the channel being continuous and the cutting thereof is had when the show is at a standstill." (lines 15-20)
Date: May 25, 1920
Creator: Malmberg, Anders G.

Car-Door Operating and Locking Device

Description: Patent for a car door operating and locking device that provides improved means for automatically closing and locking the doors before starting the car.
Date: May 18, 1915
Creator: Pitts, Hood

Vehicle.

Description: Patent for a vehicle that is "designed particularly for travel through the water but adapted through the peculiarity of its construction for travel with practically equal facility on the land." (p. 1, lines 9-12), including illustrations.
Date: May 4, 1915
Creator: Ramsey, Frank T.

Switch.

Description: Patent for a switch for electrically operated elevator doors or gates that ensures their proper closing before the car travels through the shaft.
Date: May 18, 1915
Creator: Pitts, Hood & Covert, Frank M.

Stock Food and Method of Preparing the Same

Description: Patent for a new method to produce stock feed at a low cost, by "treating finely divided organic matter containing cellulose with certain acids under pressure, thereby freeing the cellulose and other carbohydrates," to make the feed more easily absorbable by animals (lines 13-23).
Date: May 25, 1915
Creator: Walker, Thomas Bailey

Floor Selector-Switch for Electric Door-Operating Apparatus

Description: Patent for floor selector switch for electric door operating apparatus situated at the floor/landing near the elevator shaft to close and open the elevator gate/door. It also allows the elevator operator to use a switch to operate the elevator gate/door, and also lock the gate/door so it cannot be opened by accident. All said to work quickly and quietly.
Date: May 18, 1915
Creator: Pitts, Hood

Elevator-door-operating Apparatus

Description: Patent for an electrically controlled means of automatically "opening and closing the doors of the elevator shaft" without slamming or banging the doors, including illustrations.
Date: May 18, 1915
Creator: Pitts, Hood

Oil-Burner.

Description: Patent for a new and improved oil-burner which is capable of using any hydrocarbon in combination with pressurized air and steam and properly adjusting the ratios of each to provide optimal results.
Date: May 5, 1914
Creator: Matthews, Robert H.

Newspaper Holder

Description: Patent for a newspaper holder which may be eligible to hold other things, may be easily moved, and is cost-effective.
Date: May 22, 1917
Creator: Richter, Joseph

Door Operating and Locking Device.

Description: Patent for an electric door or gate operating and locking device that allows for automatically opening and closing a door or gate and locking it when it is open or closed. This device may be turned off if necessary to allow for manually moving the door or gate and may be installed cheaply in preexisting structures.
Date: May 18, 1915
Creator: Pitts, Hood

Churn and Freezer

Description: Patent for a churn that may also be used as an ice cream freezer. Illustrations included.
Date: May 26, 1908
Creator: Lambie, Robert Common

Crude-Oil Burner

Description: Patent for an oil feeder designed to burn crude oil. It features a carbon deposit chamber and a vent pipe.
Date: May 5, 1903
Creator: Hartung, Theodore A.

Clipping and Pruning Shears.

Description: Patent for clipping and pruning shears that can have the blades taken off for sharpening.
Date: May 2, 1911
Creator: South, John P.

Lock-Corner.

Description: Patent for a lock corner for attaching the corners of cardboard or paper boxes.
Date: May 31, 1910
Creator: Hall, Edgar R.

Vehicle-Tire.

Description: Patent for a vehicle tire composed of laminate fiber board and wooden spokes covered in a oil based mixture, which hardens on the outside of the tires to waterproof them.
Date: May 31, 1910
Creator: Carhart, John Wesley

Laminated Tire.

Description: Patent for a laminated tire for automobiles that is less rigid than previous tires and is easily built and repaired.
Date: May 21, 1907
Creator: Carhart, John Wesley

Tire

Description: Patent for a tire. Illustration included.
Date: May 9, 1905
Creator: Gordon, Mary S.

Generating Oil Burner

Description: Patent for generating oil burner. This invention "relates to apparatus by which steam is generated and petroleum or a hydrocarbon reduced to vaporous condition and mixed or combined with the steam" (line 8-12). Illustrations included.
Date: May 23, 1905
Creator: Spiller, Philip Samuel & Haldeman, Horace P.

Car Coupling

Description: Patent for a car coupling "which greatly facilitate the connection of two car couplings having the improvements and adapt the knuckle of the car coupling to automatically swing open when free to do so." (line 12-16)
Date: May 26, 1903
Creator: Yeiser, John Clarke
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