Resource Type

1,474 Matching Results

Results open in a new window/tab.

Abstract-Book for County Records, &c. (open access)

Abstract-Book for County Records, &c.

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.
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for certain new and useful improvement sin acetylene gas generators, including instructions and illustrations.
Date: February 20, 1900
Creator: Pitts, William Wirt
System: The Portal to Texas History
Acetylene Gas Generator (open access)

Acetylene Gas Generator

Patent for acetylene gas generator. Illustration included.
Date: February 28, 1905
Creator: Gribble, William A.
System: The Portal to Texas History
Acetylene Gas Generator. (open access)

Acetylene Gas Generator.

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.
System: The Portal to Texas History
Acetylene-Gas Lamp. (open access)

Acetylene-Gas Lamp.

Patent for certain new and useful improvements in acetylene gas lamps, including instructions and illustrations.
Date: February 20, 1900
Creator: Josserand, Peter
System: The Portal to Texas History
Actinide halide complexes (open access)

Actinide halide complexes

A compound of the formula MX{sub n}L{sub m} wherein M = Th, Pu, Np,or Am thorium, X = a halide atom, n = 3 or 4, L is a coordinating ligand selected from the group consisting of aprotic Lewis bases having an oxygen-, nitrogen-, sulfur-, or phosphorus-donor, and m is 3 or 4 for monodentate ligands or is 2 for bidentate ligands, where n + m = 7 or 8 for monodentate ligands or 5 or 6 for bidentate ligands, a compound of the formula MX{sub n} wherein M, X, and n are as previously defined, and a process of preparing such actinide metal compounds including admixing the actinide metal in an aprotic Lewis base as a coordinating solvent in the presence of a halogen-containing oxidant, are provided.
Date: February 7, 1991
Creator: Avens, Larry R.; Zwick, Bill D.; Sattelberger, Alfred P.; Clark, David L. & Watkin, J. G.
System: The UNT Digital Library
Adding-Machine. (open access)

Adding-Machine.

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
System: The Portal to Texas History
Adding-Machine (open access)

Adding-Machine

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.
System: The Portal to Texas History
Adhesive and Method of Making the Same (open access)

Adhesive and Method of Making the Same

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.
System: The Portal to Texas History
Adjustable End Die. (open access)

Adjustable End Die.

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.
System: The Portal to Texas History
Adjustable Handle for Sweep-Stocks and the Like (open access)

Adjustable Handle for Sweep-Stocks and the Like

Patent for adjustable handles for sweep stocks, plows, cultivators, and related equipment.
Date: February 26, 1907
Creator: Hoerhold, Theodore
System: The Portal to Texas History
Adjustable Head Gate (open access)

Adjustable Head Gate

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.
System: The Portal to Texas History
Adjustable Plow Mechanism (open access)

Adjustable Plow Mechanism

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
System: The Portal to Texas History
Adjusting and Locking Device for Skid Chains. (open access)

Adjusting and Locking Device for Skid Chains.

Patent for anti-skid chains for use on automobile wheels and tires which may be locked to prevent slipping.
Date: February 26, 1918
Creator: Boyd, James S.
System: The Portal to Texas History
Advertising Device. (open access)

Advertising Device.

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
System: The Portal to Texas History
Advertising-Machine. (open access)

Advertising-Machine.

Patent for a machine that displays advertisements in a rotation.
Date: February 19, 1918
Creator: Barnett, John B.
System: The Portal to Texas History
Advertising Street Car Sign (open access)

Advertising Street Car Sign

Patent for an advertisement sign located on the top of street cars. Illustration included.
Date: February 11, 1908
Creator: King, Alphonse
System: The Portal to Texas History
Aeroplane (open access)

Aeroplane

Patent for an aeroplane. Illustrations included.
Date: February 11, 1913
Creator: Goodrich, Luman L., Jr.
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

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
System: The Portal to Texas History
Agitator. (open access)

Agitator.

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.
System: The Portal to Texas History
Air-Brake (open access)

Air-Brake

Patent for an air brake for trains that reduces jerking when the brakes are applied.
Date: February 6, 1912
Creator: Mead, William E.
System: The Portal to Texas History
Air-Brake, Lighting, and Signaling System for Railway-Trains (open access)

Air-Brake, Lighting, and Signaling System for Railway-Trains

Patent for an electrical system which provides air brake, lighting, and signaling mechanisms for trains. Illustrations included.
Date: February 18, 1908
Creator: Mayo, William C. & Houlehan, John
System: The Portal to Texas History
Air Filtering Gas Burner (open access)

Air Filtering Gas Burner

Patent for device that helps prevent air from choking burners when used in cooking.
Date: February 6, 1917
Creator: Parks, William B.
System: The Portal to Texas History
Air Heating and Regulating Means for Internal Combustion Engines (open access)

Air Heating and Regulating Means for Internal Combustion Engines

Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.
Date: February 18, 1919
Creator: Brooks, Howard
System: The Portal to Texas History