UNT Libraries Government Documents Department - 18,572 Matching Results

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Combination Set-Collar for Well-Strainers.

Patent for a combination set-collar for well-strainers that combines a back pressure valve and a washer pipe which allows for the cleaning of the strainer.

Date: November 25, 1919

Creator: Thompson, Alexander

Automobile Headlight.

Patent for an improved automobile headlight equipped with a movable lens and reflector to cast light down towards the roadway.

Date: November 14, 1922

Creator: Head, James M.

Patent for an automobile road-light improvement that causes the lights of a moving vehicle to move in conformity of the vehicle itself. The device is readily attachable to automobiles of standard type.

Date: February 25, 1919

Creator: Tausch, Joseph H.

Combination Plow and Pulverizer.

Patent for a combination plow and pulverizer, designed for the purpose of improved plowing and sowing of seed, with illustrations and explanations.

Date: August 20, 1918

Creator: Curtis, W. W.

Composition of Matter for Treating Concrete Flooring

Patent for improvements to treating concrete flooring. The process described for mixing animal, mineral, and vegetable waxes to produce a treatment which renders already poured concrete floors (or other cement or stone) dustless and waxy to prevent disintegration of the floor's components.

Date: May 12, 1917

Creator: Annan, Alfred H.

Closure for Refrigerators and the Like

Patent is to "provide a simple and efficient construction of doors or lids for refrigerators, refrigerator cars, ice boxes, fireless cookers, telephone booths and the like, and as fire doors for storage houses, and wherever it is necessary or desirable to provide for facility of movement in opening or shrinking, due to head or cold, dampness or dryness, or other climatic or atmospheric or similar changes or conditions, while insuring an air tight, smoke, fire and bug proof, and heat insulating … more

Date: May 28, 1918

Creator: Seifert, John W. of Houston, TX

Combination Countersink and Bit-Gage.

Patent for a tool to be used with a drill or bit that allows the user to simultaneously drill and form a countersink. It also has a bit gauge that allows it to be used for drills of varying sizes.

Date: March 23, 1920

Creator: Storey, Henry L.

Auto-Carrier

Patent for an auto-carrier that applied to the running board for carrying various luggage. A second aspect is to provide a device to support a wide array of objects and to withstand the weight giving its location along the running board.

Date: July 8, 1919

Creator: Evans, Edward L.

Device for Cleaning Wells

Patent for improving the efficiency of oil wells.

Date: September 2, 1919

Creator: Sargent, Lemuel S.

Cotton-Seed Flour and Process of Making the Same.

Patent for cotton-seed flour and the process for producing it, including removal of the oils and hulls.

Date: August 20, 1918

Creator: Baumgarten, Gustav Adolph

Cultivator Attachment dated October 8, 1918

Patent for cutting cotton and maintaining it at a certain height. This can be mounted to different cultivators without any need of change or alteration.

Date: October 8, 1918

Creator: Fletcher W. Vaughn

Auto Body

Patent for an invention made for the improvements of the auto body and provide a way to convert a motor vehicle body to a comfortable bed with a foldable cushion for the back seat.

Date: September 16, 1919

Creator: Lawrence, John & Whitton, Orvil C.

Automatic Train-Gate.

Patent for "new and useful improvements in automatic train gates" (lines 5-7) including illustrations.

Date: February 3, 1920

Creator: Ivanhoe, George. C.

Apparatus for Curing Tire-Casings

Patent for an improved apparatus for Curing Tire-Casings (relates to molding devices for curing tire casings) which is easily and quickly set up and knocked down, holds casings safely in position while being cured, and highly efficient in curing tire casings.

Date: June 17, 1919

Creator: Bongio, Philip P. & Stephenson Elonzo

Air Pump

Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.

Date: October 28, 1919

Creator: Keating, P. W.

Automobile-Alarm.

Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.

Date: April 22, 1919

Creator: Smith, Thomas H.

Belt

Patent for a belt. The belt is used for fan belts in motor vehicles and to also have a resilient engagement with wheels without wear on wheels and pulleys.

Date: March 26, 1918

Creator: Blanton, John R.

Chute for Garbage

Patent for improvements to the conveyer and chutes associated with the disposal of garbage. Also delivers coal and wood to the house from outside.

Date: January 8, 1918

Creator: Roberson, Ella

Adjustable Window-Shade Support.

Patent for an adjustable window shade support that can readily attach a shade to a window frame and the roller can be adjusted to any desired location or elevation.

Date: July 9, 1918

Creator: Simmons, Oscar C.

Automatic Pipe Coupling

Patent for improvement on the methods of controlling oil flow.

Date: September 2, 1919

Creator: Childs, William L.

Crude-Oil Burner.

Patent for an improvement on a crude oil burner that can adapt to various grades of crude oil as well as providing intense heat to various sizes of boilers.

Date: May 11, 1920

Creator: Runyan, Benjamin F.

Building Tile.

Patent for "hollow blocks" or "tile and hollow corner blocks" that "prevent moisture from passing through walls" (lines 10-14).

Date: December 31, 1918

Creator: Bennett, Walter R.

Automobile-Tire

Patent for the improvement of cushion tires. The improvement produces a more resilient tire, less susceptible to punctures.