33 Matching Results

Search Results

Results: 1 - 24 next

Wrench.

Description: Patent for "removable-jaw wrenches which can be converted into a pipe or monkey wrench at will." (Lines 12-14) Includes instructions and illustrations.
Date: December 29, 1896
Creator: Ezzell, Fletcher
Partner: UNT Libraries Government Documents Department

Improvement in Windmills.

Description: Patent for the improvement of windmills, including illustrations.
Date: September 29, 1874
Creator: Symthe, Peyton.
Partner: UNT Libraries Government Documents Department

Machine For Rebending Crown Caps Or Seals For Bottles.

Description: Patent for a new and useful machine for rebending crown caps or seals for bottles, including instructions and illustrations.
Date: August 29, 1899
Creator: Gebhardt, William
Partner: UNT Libraries Government Documents Department

Latch

Description: Patent for a latch. Illustration included.
Date: August 29, 1905
Creator: Praeger, Ewald
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for invention relates to improvements in hydrocarbon-burners of that class which are employed in apparatus for destroying vegetable growths, such as cactus-plants, for heating asphaltum, for concrete and surface drying, and for other purposes where great heat is required.
Date: January 29, 1901
Creator: Neuendorff, John B.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for a burner that can use kerosene for fuel and avoid clogging with carbon and to provide heat better in every way (including being hotter) while being easier to clean.
Date: September 29, 1914
Creator: Stone, Melvin T.
Partner: UNT Libraries Government Documents Department

Plastic Composition.

Description: Patent for a plastic composition that lasts indefinitely, especially for coffins or caskets.
Date: August 29, 1916
Creator: Stone, Oscar Ottoe
Partner: UNT Libraries Government Documents Department

Stamping-Machine

Description: Patent for new stamping device for "quickly and accurately stamping railroad tickets on their faces with the date of issue, the destination and the time limit or number of the train on which the ticket is to be used" (lines 11-15) including instructions and illustrations.
Date: July 29, 1913
Creator: Terry, James William
Partner: UNT Libraries Government Documents Department

Nut Cracking Machine

Description: Patent for an industrial pecan cracking machine. Illustrations included.
Date: January 29, 1907
Creator: Gebhardt, William
Partner: UNT Libraries Government Documents Department

Toy Torpedo Exploder

Description: Patent for a toy torpedo exploder. Illustration included.
Date: November 29, 1904
Creator: Hutchinson, Searcy T.
Partner: UNT Libraries Government Documents Department

Process of Preparing and Tempering Slurry for Portland Cement.

Description: Patent for improvements in the process of preparing and tempering slurry for Portland cement by expedite the process of production and to produce a uniform quality of cement. Detailed instructions included. No illustration.
Date: September 29, 1891
Creator: Kalteyer, George H.
Partner: UNT Libraries Government Documents Department

Laminated Fabric for Tire-Casings.

Description: Patent for a laminated fabric for tire casings that reinforces motor vehicle tires to reduce heat exposure and risk of damage. This type of laminated fabric is intended to resist wear and prevent tire blow-outs.
Date: July 29, 1919
Creator: Doolin, Charles B.
Partner: UNT Libraries Government Documents Department

Mechanical Rectifier.

Description: Patent for a mechanical rectifier for automobiles. This mechanical rectifier connects with the magneto or generator to turn alternating currents into to direct currents for charging a storage battery while operating the engine.
Date: January 29, 1918
Creator: Winterborne, Arthur William
Partner: UNT Libraries Government Documents Department

Power Mechanism.

Description: Patent for a "simple mechanism for use in connection with a prime mover of any of the well known types using as a motive agent steam, oil, gas, electricity, etc." (lines 13-16). The mechanism is meant to increase efficiency by reducing the number of its components.
Date: May 29, 1917
Creator: Dominguez, Salvador
Partner: UNT Libraries Government Documents Department

Ore Concentrator

Description: Patent for an ore concentrator. Illustration included.
Date: August 29, 1905
Creator: Journeay, William Orsborne
Partner: UNT Libraries Government Documents Department

Pipe-Clamp

Description: Patent for a pipe clamp for lifting and placing pipes and drill rods into and out of wells. Illustrations included.
Date: March 29, 1910
Creator: Rountree, Joseph G.
Partner: UNT Libraries Government Documents Department

Drawer.

Description: Patent to "provide the drawers of a bureau, a desk, or other piece of furniture with anti-friction devices to prevent their binding." (Lines 11-13) Includes instructions and illustrations.
Date: December 29, 1891
Creator: Baldwin, John. H, Jr.
Partner: UNT Libraries Government Documents Department

Shoe-Securing Device

Description: Patent for a fastening strap that secures baby shoes to baby feet, including illustrations.
Date: June 29, 1920
Creator: Elliot, Eloise Foster
Partner: UNT Libraries Government Documents Department

Wall-Block.

Description: Patent for an improved wall block that is designed in a T-shape so that the pieces will interlock providing stability and preventing cracks in a foundation.
Date: November 29, 1921
Creator: Hull, John W.
Partner: UNT Libraries Government Documents Department

Dental Clamp.

Description: Patent for a dental clamp "for holding pins for securement to metallic cover-plates for fillings" (lines 8-10), with illustrations.
Date: January 29, 1901
Creator: Mayes, Robert Martin
Partner: UNT Libraries Government Documents Department

Electric Switch for Automatic Passenger-Fare-Registering Mechanism.

Description: Patent for "improvements to electric switches for automatic passenger fare registering mechanisms" (lines 10-12). Illustration and instruction included.
Date: February 29, 1916
Creator: Savage, Harry & Baker, Willard L.
Partner: UNT Libraries Government Documents Department

Electrical Horometer.

Description: Patent for a new and improved electrical horometer. This design consists, in addition to a switch-board with electric circuit terminals, "of a bell-crank lever pivoted to the switch-board and making the connection between said terminals, said lever having at one end a handle and at the other end a detent engaging with the ratchet-wheel when the circuit is opened, the said wheel being mounted upon the extended portion of one of the shafts of a clock or other suitable registering mechanism" (line… more
Date: November 29, 1887
Creator: Hammond, Benjamin M.
Partner: UNT Libraries Government Documents Department

Scraper for Asphalt Cooking Drums

Description: Patent for a tool to facilitate the cleaning of the interior of asphalt cooking drums in order to prevent clogging, with illustrations.
Date: July 29, 1902
Creator: Nelson, John P.
Partner: UNT Libraries Government Documents Department

Flour-Separator

Description: Patent for "a machine of this class by means of which by a single operation the flour may be separated from the middlings and the tine from the coarser grade of middling-s, thus performing at a single operation that which heretofore has required two separate operations to accomplish" (lines 10-16).
Date: July 29, 1890
Creator: Sadravezt, Peter
Partner: UNT Libraries Government Documents Department
Back to Top of Screen