UNT Libraries Government Documents Department - 304 Matching Results

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Aerodrome

Description: Patent for an aerodrome. Illustrations included.
Date: June 6, 1911
Creator: Mayhew, Nathaniel L.

Air-Craft Propeller

Description: Patent for an air craft propeller that reduces air resistance.
Date: October 8, 1912
Creator: Koiw, Julius

Attachment for Motor-Vehicles

Description: Patent for an attachment for motor vehicles, specifically for Ford cars but compatible with any car, where the attachment prevents the reverse movement of the car's crank.
Date: August 12, 1919
Creator: Daniel, Ulysses S.

Automatic Fuel-Changing Valve.

Description: Patent for Automatic Fuel Changing Valve. The purpose of the invention is to provide a mechanism that switches to another gas supply when the one which is feeding the system runs low.
Date: March 26, 1918
Creator: Connelly, John S.

Automatic Safety Target.

Description: Patent for a target device for pistols and rifles which allows for the motion of the target being hit to move another target into view.
Date: August 3, 1920
Creator: Briggs, George F.

Automatic Slack-Take-Up and Cooling Device.

Description: Patent for new and useful improvements to Automatic Slack-Take-Up and Cooling Devices for the manufacturing of flexible roofing and other similar flexible materials, including illustrations.
Date: May 22, 1917
Creator: Smith, Frederick C.

Bandage.

Description: Patent for bandage that prevents and/or reduces the occurrence of "double chin."
Date: March 20, 1906
Creator: Hardee, Virginia E.

Bearing for Driving and Other Shafts.

Description: Patent for a bearing or other driving shafts which can be easily removed without harming the rest of the machine. Illustration is included.
Date: March 31, 1908
Creator: Wiggs, James A., Jr.

Bicycle Support

Description: Patent for a bicycle support, which can be attached to different bicycles and carried in the pocket.
Date: June 17, 1902
Creator: Moss, Eric

Book-Holding Device

Description: Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.
Date: April 20, 1920
Creator: Barry, David Redmond

Boring-Bit.

Description: Patent for a boring drill. The invention creates a new means "for connecting the constituent members of the head so as to provide novel means for assembling the head with a driving element" (lines 19-22).
Date: June 10, 1913
Creator: Larnce, John B.; Townsend, S. L. & Keith, Aubrey R.

Boring Tool

Description: Patent for a boring tool that allows for easy interchanging of the drill.
Date: October 31, 1916
Creator: Carroll, Monroe W.

Brake-Controlling Mechanism for Railway-Cars

Description: Patent for an "air brake controlling mechanism for use in connection with railway cars" (lines 10-12), one feature applies whereby if a wheel becomes derailed the brakes will be applied automatically. Includes illustrations.
Date: February 22, 1916
Creator: Halliburton, George M. & McBurney, Samuel L.

Building-Block.

Description: Patent for building block that is easily formed or molded. The building block forms tiers to easy move around and modify.
Date: February 1, 1921
Creator: Pace, Vara L.

Building Construction.

Description: Patent for "new and useful improvements in building construction" (lines 9-11), including illustrations.
Date: September 28, 1920
Creator: Laughlin, Edward A.

Burner.

Description: Patent for improvements in burners to allow them to use liquid fuel such as oil.
Date: June 1, 1920
Creator: Placette, Joeseph G.

Butt-Cutter

Description: Patent for a machine designed to cut off the butt ends of cereal sheaves should they become wet or muddy. Illustrations included.
Date: February 16, 1909
Creator: Janes, Ivey & Lanaux, Alfred A.

Can-Closure

Description: Patent for general use to securely close cans containing liquid so that invisible tampering, evaporation, and contamination cannot occur.
Date: January 6, 1920
Creator: Starcke, Eugene P.

Capping-Machine

Description: Patent for a capping machine. The object is to provide a machine of the character specified, designed for placing friction caps or covers of cans containing canned materials and for sealing the covers or caps in place on the cans, and arranged to be capable of use with cans of varying size.
Date: August 31, 1915
Creator: Peppers, Jerry Coatts

Car-Coupling.

Description: Patent for improved car couplings "of the Janney type, capable of readily coupling on short curved, and adapted to be either coupled or uncoupled without going between cars. A further object of the invention is to provide means whereby the parts may be readily set for automatic coupling, or to prevent coupling." (Lines 13-20) Includes instructions and illustrations.
Date: March 19, 1895
Creator: Armstrong, James P.

Car Truck Bolster

Description: Patent for a car-truck bolster. The design improves upon existing versions to bolster a car or truck in order to readily makes repairs in a simple and expeditious manner. The bolster can be taken apart which allows for each part to be replaced separately.
Date: January 30, 1906
Creator: Fowler, T.
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