8 Matching Results

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Composition for Removing Boiler-Scale (open access)

Composition for Removing Boiler-Scale

Patent for "an extract of the plant know to botanists by the name 'Larrea Mexican,' to be used in removing boiler-scale and in preventing the reformation of the same" (lines 9-13).
Date: April 16, 1901
Creator: Pena, Benjamin
System: The Portal to Texas History
Blind Stop. (open access)

Blind Stop.

Patent for a new and improved blind-stop. This design is "to provide a cheap and simple device designed to be secured to a window-casing and be interposed between any two adjacent pivoted slats, and thus support the same and the series in an open position and against accidental closing by their own weight or by the wind" (lines 9-16). It consists in the "holder for slats of blinds, consisting of a spring-metal strip bent at its center to form an eye and opposite terminals, the latter being adapted to be interposed between two adjacent slats, and the ends of the terminals oppositely bent" (lines 72-77).
Date: April 19, 1892
Creator: Deats, Wallen S. & Brown, Daniel
System: The Portal to Texas History
Lock (open access)

Lock

Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
System: The Portal to Texas History
Lock (open access)

Lock

Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
System: The Portal to Texas History
Music-Holder. (open access)

Music-Holder.

Patent for an adjustable, simple, inexpensive, and light music-holder that does not let the music slip and does not damage the music. The clamps will not get in the way of the music, and holds a book as easily as a sheet of music. Springs are not used, the staff is telescopic, and should be made from aluminum.
Date: April 30, 1895
Creator: Gross, Frederick D.
System: The Portal to Texas History
Refrigerating Apparatus. (open access)

Refrigerating Apparatus.

Patent for "improvements in refrigerating apparatuses, more particularly to those for the purpose of hardening ice cream" (lines 8-11) including instructions and illustrations.
Date: April 28, 1914
Creator: Mackin, Sam
System: The Portal to Texas History
Electric Battery. (open access)

Electric Battery.

Patent for a new and improved electric battery. This design consists "[i]n an electric generator, a receptacle for steam, and means for admitting steam thereto, in combination with electrodes consisting of two parallel disks suspended within said steam-receptacle, electrodes of opposite polarity to the aforesaid electrodes arranged between the disks of the first-named electrodes, a shaft extending through the said receptacle upon which the latter electrodes are mounted, and means for rotating the said shaft" (lines 41-50).
Date: April 19, 1892
Creator: Emley, James Edward
System: The Portal to Texas History
Derailer (open access)

Derailer

This is a patent for a railway Derailer. This new derailer is less expensive, easier to manufacture, and will be an improvement over older models. For example, it is easier to attach to the rail track and more efficient at stopping railroad collisions.
Date: April 22, 1919
Creator: Gravis, James. C
System: The Portal to Texas History