1,435 Matching Results

Search Results

Air-Chamber.

Description: Patent for an air-chamber that pumps in air confined with a flexible diaphragm to spray or diffuse fluid, including illustration.
Date: June 18, 1861
Creator: Creuzbaur, Robert
Partner: UNT Libraries Government Documents Department

[Interview with Earl Short]

Description: Photocopy of a transcription of an interview with Earl Short by Dorothy Depwe. Short talks about multiple murders that occurred in the Westlake, Texas area, as well as the lives of several families in the area.
Date: June 18, 1982
Creator: Depwe, Dorothy
Partner: Westbank Community Library District

Combined Automobile-Wheel and Flexible Tire.

Description: Patent for improving tires for the motor vehicles. The invention provides a wheel with a tieldably connected tire so as to take up the vibration upon the vehicle equipped with the wheel. Further, invention provides vehicle wheel with a yieldable rim. This rim is for a wheel formed from sheet metal instead of usual pneumatic tire, eliminating the expense of repairs from punctures and blow-outs.
Date: June 18, 1918
Creator: La Bauve, Henry John
Partner: UNT Libraries Government Documents Department

[Man Seated in Office]

Description: Photograph of a man seated near a desk in an office. The photographer's note on the negative sleeve reads "Bascom Giles and Yale Football Player".
Date: June 18, 1940
Creator: Douglass, Neal
Partner: Austin History Center, Austin Public Library

Water-Heater.

Description: Patent for a compact gas powered water heater that runs the water through firmly attached tubes that expand and contract with the water temperature and are placed in between heating elements. The machine can also be packed with ice to cool water in the tubes.
Date: June 18, 1907
Creator: Haynie, Brooks
Partner: UNT Libraries Government Documents Department

Improvement in Devices For Ringing Bells.

Description: Patent for an improvement to a mechanism that externally strikes a bell to ring it, "applicable to fire, hotel, school, church, factory and other bells. By it the striking may be performed with great rapidity and regularity" (para. 10).
Date: September 18, 1877
Creator: Perry, Elton
Partner: UNT Libraries Government Documents Department

Improvement in Saddle-Trees.

Description: Patent for "an improvement in riding-saddles, designed to secure greater strength in the pommel and fork; and it consists in forming the fork of the saddle-tree and the pommel from malleable cast-iron, and in one and the same piece, the neck of the pommel being cast hollow for greater lightness, with the upper end of the casting open, which opening is closed by a surmounting cap of wood or other material, which finishes the pommel." (Lines 13-23) Includes instructions and illustrations.
Date: September 18, 1877
Creator: Still, Henry C. & Still, Joseph R.
Partner: UNT Libraries Government Documents Department

Improvement in Fire-Lighters.

Description: Patent for a device which allows the lighting of "fires, lights, blasts, &c., by a person located some distance from the object to be ignited." (lines 7-10) Includes instructions and illustrations.
Date: November 18, 1879
Creator: Craig, Samuel M.
Partner: UNT Libraries Government Documents Department

Improvement in Paper Bags.

Description: Patent for an improvement in paper bags with design specifications and a description of their functionality and usage, including illustrations.
Date: June 18, 1878
Creator: Alexander, Newton J.
Partner: UNT Libraries Government Documents Department

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.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvements to the design of the butter churn, to ease labor and improve efficiency, including illustrations.
Date: April 18, 1876
Creator: Rost, Otto
Partner: UNT Libraries Government Documents Department

Oil Substitute.

Description: Patent for an oil paint substitute consisting of furniture glue, water, soda ash, and salicylic acid, rosin, and pigment. Includes instructions for three different formulas.
Date: May 18, 1897
Creator: Reynolds, Walter James
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department

Improvement in Gang Plow and Cultivator.

Description: Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date: December 18, 1877
Creator: Domschke, Charles
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in a "hollow hub or sleeve in combination with the universal joint composed of a band fitting loosely within said sleeve, a gimbal-ring pivoted to said band, and a knuckle pivoted to said gimbal-ring, whereby motion may be transmitted from one rotary body to another when the planes of rotation are or are not parallel to each other" (lines 88-95).
Date: October 18, 1887
Creator: Kirk, John P.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with the driving-wheel . . . the rotary mold-board, and the plow-beam, of the universal joint composed of the hollow portion of the hub of the driving-wheel, a ring pivoted thereto, a knuckle pivoted to said ring, and a band encircling the hollow portion of said hub and fixed to the said plow-beam" (lines 6-13).
Date: October 18, 1887
Creator: Kirk, John P.
Partner: UNT Libraries Government Documents Department

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
Partner: UNT Libraries Government Documents Department
Back to Top of Screen