UNT Libraries Government Documents Department - 604 Matching Results

Search Results

Results: 1 - 24 next

Nozzle.

Description: Patent for a hose nozzle with increased capacity and efficiency. Includes instructions and illustrations.
Date: March 16, 1897
Creator: Adams, Don B.

Electric Signal System

Description: Patent for electric signal system. Illustration included.
Date: May 16, 1905
Creator: Adams, Edwin Johnson

Emergency Rail-Brake.

Description: Patent for "a new and improved emergency rail-brake" (lines 1-5).
Date: January 16, 1906
Creator: Adams, Powell O.

Can-Opener.

Description: Patent for new and useful improvements for can openers. The principal purpose is to provide means for opening round cans of different sizes and also square cans.
Date: November 16, 1920
Creator: Adels, Rebecca Valencia.

Broom or Brush

Description: Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S.

Process of Heating Oil-Retorts and Apparatus Therefor.

Description: Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.

Rock-Drill

Description: Patent for a rock drill design for quick drilling.
Date: August 16, 1921
Creator: Alford, Allen

Driving Mechanism

Description: Patent for a driving mechanism. The object of the invention is to provide a simple and efficient mechanism for transforming reciprocatory motion into rotary motion. It can be adapted in order to connect to other mechanisms.
Date: January 16, 1906
Creator: Allison, Andrew J.

Weighing Machine

Description: Patent for a weighing machine. Illustration included.
Date: August 16, 1910
Creator: Allison, Joseph W.

Window Light Regulator

Description: Patent for a window light regulator. The light regulator is designed of two shades. The first shape is dark and the other is transparent. Illustration included.
Date: April 16, 1907
Creator: Alrich, Henry

Plow.

Description: Patent for a reinforced plow shoe that eliminates frictional wear on the landside bar and reduces wear on the landside plate of the plow.
Date: October 16, 1917
Creator: Alston, William H.

Fire-Alarm System.

Description: Patent for "an alarm system consisting of an electric circuit within which as thermally operated circuit closer was placed, which was adapted to sound an alarm when the circuit closer had been closed by an operation of the thermal elements of the circuit closer." (lines 78-84) including instructions and illustrations.
Date: March 16, 1915
Creator: Ammons, John B.

Automatic Fire-Alarm System.

Description: Patent for an automatic fire alarm system with a simple arrangement of alarm devices (positioned throughout different rooms) with sound or visual indicators for fire awareness and closer thermal circuits (assisted with spring contact and circuit closer). The automatic fire alarm system will have a more immediate reaction by making an alert noise or visual and propping open the spring contact.
Date: March 16, 1915
Creator: Ammons, John Burck; Ammons, Evander & McGaffey, Otis

Heater for Gaseous Fluids.

Description: Patent for "an attachment for use in connection with internal combustion engines whereby heavy oil...may be advantageously used as fuel" (lines 9-12) including instructions and illustrations.
Date: March 16, 1915
Creator: Anderau, Joseph Engelbert

Transportation or Storage Receptacle

Description: Patent for a transportation or storage receptacle. The invention is ment for the transportation of perishable item requiring temperature control.
Date: June 16, 1903
Creator: Anderson, Richard C. & McKee, Clifford E.

Improvement in Scrapers.

Description: Patent for a horse-drawn excavator that includes a scoop attached to wheels.
Date: June 16, 1874
Creator: Arcos, Ignacio

Post driver

Description: Patent for a portable post driver.
Date: March 16, 1900
Creator: Armstrong, Joseph Milton

Telegraph Instrument

Description: Patent for a telegraph instrument. It is designed to simplify and improved telegraph-transmitter for use by individuals with no knowledge of Morse code.
Date: June 16, 1903
Creator: Armstrong, Martin

Steam Engine Governor.

Description: Patent for a new and improved steam-engine governor. This design consists in "the combination, with the valve-stem and governor-balls, of a lever connected with the said valve-stem, a weighted lever connected with the said valve-stem lever, a piston-rod connected with the said weighted lever, a piston attached to the said piston-rod, and a small cylinder in which the said piston operates, and which is connected at one end with the interior of the steam-chest" (lines 93-102).
Date: August 16, 1887
Creator: Arnold, Eliphalet L.

Vehicle Wheel.

Description: Patent for a new and improved vehicle wheel. This design is "to improve the felly-expanding devices, to provide a strong, durable, and efficient metallic connection between the spoke and felly, to provide novel means whereby the expanding movement of the felly is amplified by a partial rotation of a screw, and to otherwise improve vehicle-wheels" (lines 13-20).
Date: December 16, 1890
Creator: Ashford James A.

Valve-Grinder.

Description: Patent for a valve grinder that fit together perfectly to prevent leakage and a consequent loss of power.
Date: May 16, 1916
Creator: Atkin, Frank R.

Apparatus for Molding Silos and the Like.

Description: Patent for an apparatus of simple structure that allows for the easy adjustment and manipulation of parts. It is "used for molding silos and similar structures from concrete cement material" (lines 10-12).
Date: July 16, 1918
Creator: Atkins, Thomas B.

Bee-Shipping Cage

Description: Patent for transferring bees to a different hive without injury and preventing bees from escaping. The bee-cage offers different ways to transfer the bees.
Date: August 16, 1921
Creator: Ault, Eugene B.
Back to Top of Screen