UNT Libraries Government Documents Department - 1,437 Matching Results

Search Results

Results: 1 - 24 next

Abstract-Book for County Records, &c.

Description: Patent for a "book leaf or page for abstracting county and like records" (lines 12-14) with illustrations included.
Date: February 3, 1903
Creator: Lutz, John E.

Acetylene-Gas Generator.

Description: Patent for certain new and useful improvement sin acetylene gas generators, including instructions and illustrations.
Date: February 20, 1900
Creator: Pitts, William Wirt

Acetylene Gas Generator

Description: Patent for acetylene gas generator. Illustration included.
Date: February 28, 1905
Creator: Gribble, William A.

Acetylene Gas Generator.

Description: Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.

Acetylene-Gas Lamp.

Description: Patent for certain new and useful improvements in acetylene gas lamps, including instructions and illustrations.
Date: February 20, 1900
Creator: Josserand, Peter

Adding-Machine.

Description: Patent for a new and improvement in adding-machines in which a mechanical wheel has teeth. " The object of the invention is to provide the means for adding columns of figures by machinery"(lines 13-15), with instruction and illustration
Date: February 12, 1884
Creator: Barmore, Albert King

Adding-Machine

Description: Patent for adding machine that has improvements such as a controllable disk to avoid over or under rotation and simpler means of adding and removing adding disks.
Date: February 16, 1915
Creator: Sweet, William F. & Tideman, S.

Adhesive and Method of Making the Same

Description: Patent for starch used for paper that can act as an adhesive coating. Illustrations included.
Date: February 18, 1913
Creator: Dunham, Andrew A. & Dunham, Henry V.

Adjustable End Die.

Description: Patent for improvements to adjustable end dies. These improvements allow convenient rethreading of bolts while it is engaged with an object.
Date: February 8, 1921
Creator: Wright, John G.

Adjustable Head Gate

Description: Patent for "an adjustable gate adapted to be used in connection with irrigation ditches" (lines 10-12).
Date: February 22, 1916
Creator: Bogard, John H.

Adjustable Plow Mechanism

Description: Patent for an adjustable plow with an improved adjustable and reversible mechanism in plow construction, Allows for properly spaced elevated ridges for planting crops.
Date: February 23, 1915
Creator: Popp, Edward

Advertising Device.

Description: Patent for a new and improved advertising sign. This design "consist[s] in the fixed staff or upright having pulley, bent rotary vane having the opening, and adapted for the display of advertisements, inside [the] bent rotary vane, and the governor adapted to regulate automatically the speed at which the vanes are to revolve" (lines 68-80).
Date: February 19, 1884
Creator: Carly, John Wesly

Advertising-Machine.

Description: Patent for a machine that displays advertisements in a rotation.
Date: February 19, 1918
Creator: Barnett, John B.

Advertising Street Car Sign

Description: Patent for an advertisement sign located on the top of street cars. Illustration included.
Date: February 11, 1908
Creator: King, Alphonse

Aeroplane

Description: Patent for an aeroplane. Illustrations included.
Date: February 11, 1913
Creator: Goodrich, Luman L., Jr.

Aeroplane.

Description: Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.
Date: February 3, 1920
Creator: Cartwright, Andrew

Agitator.

Description: Patent for an improved device to produce a useful agitation of liquid in washing machines by configuring the paddles or blades in the most effective manner, including illustrations.
Date: February 23, 1915
Creator: Babek, Aloysius S.

Air-Brake

Description: Patent for an air brake for trains that reduces jerking when the brakes are applied.
Date: February 6, 1912
Creator: Mead, William E.

Air Filtering Gas Burner

Description: Patent for device that helps prevent air from choking burners when used in cooking.
Date: February 6, 1917
Creator: Parks, William B.

Air-Valve Cage for Air-Brake Pumps

Description: Patent for an air valve cage for air brake pumps which reduces the wear on the air brake pump and substantially reduces the maintenance costs of the system.
Date: February 16, 1909
Creator: Mattingly, James
Back to Top of Screen