UNT Libraries Government Documents Department - 1,287 Matching Results

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Salad Dressing

Patent for improving salad dressing. This salad dressing has high quality ingredients to go with any salad.

Date: November 20, 1923

Creator: Scholl, William H. & Scholl, Barney

Wrench

Patent for tools used for construction, plumbing, machinery, home renovations, and many more.

Date: February 27, 1923

Creator: Edwards, Charles R.

Break-Out Pin.

Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.

Date: October 21, 1919

Creator: Headrick, James O.

Patent for a bale forming press to form bales of hay and automatically secure "baling wires around the bale as formed" (lines 13-14). It automatically stops the feeder when "the bale is being tied" (lines 19-20) and winds and automatically unwinds and winds the wire.

Date: February 26, 1918

Creator: Dudley, Andrew T.

Aerial Projectile

Patent for an aerial projectile for use as an anti-infantry bomb, dropped by planes. Specifically, it is a fragmentation bomb hand dropped from planes that will not only deliver an explosive blast and the subsequent shrapnel, but deliver such a blast as to destroy itself so it cannot be reverse engineered.

Date: September 25, 1918

Creator: Bury, Thomas J. & Bury, Oney

Core-Barrel.

Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.

Date: October 14, 1919

Creator: Humason, Granville A. & Childs, William L.

Concrete Wall Mold.

Patent for "a concrete wall mold which is so constructed as to produce a very strong wall having vertically extended channels which form ribs materially reinforcing the structure" (lines 10-14)

Date: June 11, 1920

Creator: Porter, Charles S.

Apparatus for Separating Liquids in Emulsion.

Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.

Date: May 27, 1919

Creator: McKibben, Charles W.

Boring-Drill.

Patent for detachable heads and plates for frusco-conical rollers that allow for space between drills, including illustrations.

Date: April 23, 1918

Creator: Reed, Clarence Edward

Bale-Forming Machine.

Patent for improvement on a bale forming machine that will operate easily, positively, and automatically. This invention described for forming and automatically securing wires around bales of hay and other like materials. It has a special object that is an improved form of clutch for connecting the wire twisters and needles and disconnecting them from a driving means. The clutch will permit the plunger in the bailing chamber to perform a predetermined number of strokes after the completion of t… more

Date: August 27, 1918

Creator: Freeman, Lawrence K.

Combination Swing and Couch.

Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.

Date: February 10, 1920

Creator: McDevitt, Leslie I.

Carpenter's Implement.

Patent for a carpenter's implement designed to be easily carried within one's pocket, with illustrations.

Date: August 5, 1919

Creator: Smith, Evander A.

Casing-Head

Patent for a casing head that is specially adapted for "use in connection with well drilling for letting the tubing down into the bore, and in withdrawing the tubing from the bore." (Lines 15-16), including illustrations.

Date: September 7, 1920

Creator: McGarry, Henry S. & Carr, John D.

Core-Taking Device

Patent for improvements to a core-taking device which will "form a core, in the process of drilling, and embodies means for severing the core, when formed, and retaining the same in the core barrel until, it is withdrawn for inspection" (lines 13-17), including illustrations.

Date: June 20, 1922

Creator: Christian, Walton G.

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.

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

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.

Conveyer System.

Patent for "an improved conveyer system that will take a package and automatically carry it to any selected point along the system, discharge the package and return to the starting point" (lines 8-12), including illustrations.

Date: March 18, 1919

Creator: Hanak, Edward

Cleaning Device for Wells

Patent for a device that removes loose debris in wells

Date: July 21, 1917

Creator: Carden, David A.

Charge Firing Pin

Patent for a new improvement in Charge - Firing Pens by John N. Swanson. Designed for bombs and torpedoes to create a simple firing pen mechanism that is simple, yet prevents accidental detonation of munitions

Date: January 14, 1918

Creator: Swanson, John N.

Compound Air-Compressor.

Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.

Date: February 17, 1920

Creator: Jones, Oceola

Apparatus for Treatment of Oil Emulsions.

Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.

Date: January 13, 1920