UNT Libraries Government Documents Department - 55 Matching Results

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Apparatus for Electrostatic-Magnetic Separation

Patent for an electrostatic-magnetic separator for separating particles in a mass.

Date: February 8, 1910

Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.

Bank Pass-Book.

Patent for an improved Bank Pass-Book that shows the identification of the individual written on the inside and outside of the book.

Date: December 8, 1914

Creator: Exline, Marcus P.

Patent for a blow-out boot (as it pertains to tire repair). The defining feature of this invention is that the edges are flexible and overlapping, containing slots and loops that correspond to each other to facilitate the joining of the edges.

Date: November 8, 1921

Creator: Williams, George G.

Book Adjuster.

Patent for a new and improved book-adjuster. This design consists in "[t]he combination, with the holder having the horizontal longitudinal recess and the vertical screw-threaded aperture, of the base-piece, the adjusting-screw swiveled at its lower end in the said base-piece, and the spring-catch" (lines 3-8).

Date: February 8, 1887

Creator: Adair, Irvine James

Burglar-Alarm

Patent for a burglar alarm that can be attached to a car door. Illustrations included.

Date: October 8, 1912

Creator: Halstead, Thomas J.

Catamenial Sack

Patent for a catamenial sack. This invention is a "catamenial sacks or shields and the object is to provided such a device which will be cleanly and sanitary in effect, which is pliable and easily and comfortably conformable to the form of the wearer" (lines 8-13). Illustration included.

Date: June 8, 1909

Creator: Frommann, Franklin A.

Child's Crib

Patent for new "suspended cribs or cradles for the use of children" (lines 17-18) including instructions and illustrations.

Date: June 8, 1880

Creator: Brown, Fred Harvey

Circuit Breaker For Storage Batteries

Patent for a circuit breaker for storage batteries. This invention is an improved upon device, specifically as it applies to breaking the main circuit of the battery when the voltage reaches a minimum limit. Illustration included.

Date: December 8, 1903

Creator: Garrett, Henry

Combination Muffler and Air-Heating Device

Patent for improvement for the muffler to silence the explosive exhaust of the internal combustion engines and to heating fresh air in facilitating the carburetion of liquid fuel oil to a combustible gaseous mixture.

Date: October 8, 1918

Creator: Rinehart, Thomas M.

Combustion Device

Patent for a combustion device that allows for the control of fuel to one or two burners of the same fire box. This device is also built in an upright position to assist in supporting the burner members of the box. This device is built stronger and simpler than other devices of its kind.

Date: September 8, 1914

Creator: Halliburton, Orville G.

Composition of Matter for Artificial Fuel.

Patent for artificial fuel by using coals called “lignite”, grinded it and add other ingredients to it. Formula, measurements and method of mixing is included. No illustration.

Date: December 8, 1903

Creator: Lohmann, August

Cotton-Cleaning Apparatus.

Patent for a cotton-cleaning apparatus made up of "a stationary foraminous case or drum having an inlet-opening in the upper side of its small end, a rotary shaft extending centrally through the case or drum and having a plurality of spirally-arranged at the large end of the foraminous case and having a discharge-pipe for conveying the cotton to the point where it is to be deposited or discharged - as, for instance, into gins or gin-feeders" (lines 9-19). The cotton goes in one end, the cotton … more

Date: October 8, 1895

Creator: Murray, Stephen D.

Cotton-Press.

Patent for an "apparatus adapted for continuously compressing and baling cotton in juxtaposition to the ginning machinery, by conducting cotton from the condenser to compressing rolls operating to progressively compress the fluffy mass into a compact bat or sheet which is laid in folds or laps and subsequently moved or transferred to a suitable baling press and subjected to final pressure to expel the air from between the folds or laps and enable the bale or package to be tied while under press… more

Date: January 8, 1895

Creator: Murray, Stephen D.

Cotton-Seed Linter

Patent for a new Cotton-Seed Linter (relates to a new and useful form of cotton seed linter) which operates efficiently in and about oil mills or other places where cotton seed is reduced to commercial products.

Date: July 8, 1919

Creator: Voorhies, Felix E.

Cultivator.

Patent for a cultivator with spring teeth that are stronger than ordinary cultivator teeth.

Date: December 8, 1908

Creator: Baker, Alonzo L. & Baker, Russell

Design for a Rein-Guide.

Design for a rein-guide that has a main feature of a segmental-guide bar.

Date: November 8, 1898

Creator: Johnston, Nathan

Device for Measuring and Folding Dress Goods, &c.

Patent for a device on which textiles can be "quickly and accurately measured and folded upon a revolving reel." (Lines 14-15) Includes instructions and illustrations.

Date: December 8, 1891

Creator: Talley, James Milton

Draft Equalizers

Patent for a draft equalizer that permits either three horses to travel at one side of the beam and two at the other, or three horses at one side of the beam and one at the other. Includes instructions and illustrations.

Date: September 8, 1914

Creator: Dudley, Thomas J.

Drainage Apparatus.

Patent for a drainage apparatus by using two siphon-pipes, a back-pressure valve and an automatic starting device to drain the water from one place to another when the water is at a predetermined level. Illustration is included.

Date: January 8, 1901

Creator: Carroll, Samuel C.

Dressing Block.

Patent for Dressing Block for well drilling tools. A further aim of this invention is to provide a means for adjusting the tool and the anvil so that tools of different lengths and different sizes, may be readily accommodated and properly dressed.

Date: November 8, 1921

Creator: Montgomery, Gustavus A.

Drilling and Riveting Machine

Patent for an improved drilling and riveting machine designed designed to drill through and rivet multiple layers of materials at once.

Date: April 8, 1919

Creator: Schoellkopf, Jacob Fred

Electric Regenerator

Patent for an electric regenerator. Illustration included.

Date: May 8, 1906

Creator: Slaughter, Joel C.

Electrical Fare-Box.

Patent for device "to improve the illumination and increase the efficiency and subserviency of street-care fare-boxes. To these ends the source of light is located in the interior of the box, instead of being placed in a separate chamber at the outside of the box, as is now done, and electrical agency is utilized to produce the light and also to notify the driver that a passenger requires change and when a fair has been deposited in the box" (lines 8-17).