Engine. (open access)

Engine.

Patent for a rotary engine with a coupled rotary shaft and piston. This engine uses a lubricant for keeping parts of the engine cool, including illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for a rotary engine to be used as "a pump for liquids, as an air compressor, as a vacuum pump and for other purposes"(lines 10-12) including instructions for assembly and illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.
System: The Portal to Texas History
Automobile-Alarm. (open access)

Automobile-Alarm.

Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.
Date: April 22, 1919
Creator: Smith, Thomas H.
System: The Portal to Texas History
Lacing-Eyelet. (open access)

Lacing-Eyelet.

Patent for the improved construction and efficiency of a Lacing-Eyelet. The device is used for supporting lacing in fashion wear, including shoes and corsets. Improvements include providing quicker implementation of the device without risk of damaging the garment it is used on. Additional improvements include the device having uniform and interchangeable parts which can be manufactured in quantities so as to be easily replaced if necessary. Accompanied with illustrations.
Date: April 8, 1919
Creator: Langford, Joseph O.
System: The Portal to Texas History
Ore-Separating Apparatus. (open access)

Ore-Separating Apparatus.

Patent for an apparatus that separates pulverized ore into its constituents while in a dry condition. Eliminating the previous need to use water when separating constituents.
Date: April 8, 1919
Creator: McElwain, George
System: The Portal to Texas History
Punture-Healing Composition. (open access)

Punture-Healing Composition.

Patent for "improvements in puncture healing compounds". A beeswax, paraffin, rosin, and linseed oil mixture will be injected into the innertube or other air compartment of a "pneumatic tire" and will repair any punctures without deteriorating the material of the inner tube.
Date: April 1, 1919
Creator: Weaber, Marie R. & Clemens, Hermann
System: The Portal to Texas History
Method of Welding (open access)

Method of Welding

Patent for an improved method of welding broken frames in portions of machinery that are difficult to access, with illustrations and instructions.
Date: April 23, 1918
Creator: Brown, Charles Henry
System: The Portal to Texas History
Pie-Carrier Cabinet (open access)

Pie-Carrier Cabinet

Patent for an improved pie carrier cabinet. This cabinet is designed to be strong, light, and produced cheaply. It provides increased accessibility and convivence when it comes to viewing or removing pies from it.
Date: April 23, 1918
Creator: Blalock, Clovis Coffey
System: The Portal to Texas History
Toy Projectile (open access)

Toy Projectile

Patent for toy arrows and similar projectiles "which may be safely shot or projected by children without danger of the arrow injuring any object or hurting the child" (lines 12-15). Additionally it can be used to kill flies without smashing them.
Date: April 9, 1918
Creator: Pewther, Judson C.
System: The Portal to Texas History
Gangway. (open access)

Gangway.

Patent for a ramp for use by the Army in loading farm animals and wagons on train cars and other transports. This gangway is designed in sections to be adaptable for different needs and to be collapsible for storage and easy transportation.
Date: April 24, 1917
Creator: Titsworth, Richard
System: The Portal to Texas History
Dehydrator. (open access)

Dehydrator.

Patent for a continuous dehydrator that has specific use for gold and silver ores, including instructions and illustrations.
Date: April 17, 1917
Creator: Biesel, Charles
System: The Portal to Texas History
Automatic Air Device for Gas Engines. (open access)

Automatic Air Device for Gas Engines.

Patent for a removable automatic air device for delivering air to gas engines in proportion to the speed of the engine.
Date: April 3, 1917
Creator: Rivers, Charles A.
System: The Portal to Texas History
Process and Apparatus for Separation of Ores by Flotation. (open access)

Process and Apparatus for Separation of Ores by Flotation.

Patent for a improved process and apparatus use commercially to separate ores using flotation. By "introducing a novel step in the flotation process which results in the complete breaking down of the froth and at the same time keeping the volume of water used within the smallest practical limits thus preventing the washing away of valuable concentrates by an unnecessarily large volume of water" (lines 54-60).
Date: April 18, 1916
Creator: Thompson, W. Albert & Cole, David
System: The Portal to Texas History
Combined Shade and Curtain-Pole Bracket. (open access)

Combined Shade and Curtain-Pole Bracket.

Patent for combined shade and curtain pole brackets to "be attached to the upper sash of the window" (lines 14), removable, and adjustable, with illustrations.
Date: April 11, 1916
Creator: Levingston, Thomas C. & Van Epps, Nettie M.
System: The Portal to Texas History
Threshold. (open access)

Threshold.

Patent for an improvement for thresholds to consist of a single metal plate with an arched central portion and laterally-projected flanges that is cheaper and easier to make. The threshold will create a tight joint with the bottom of a door to prevent water and dust from entering through the bottom of the door.
Date: April 11, 1916
Creator: Krause, Ernest
System: The Portal to Texas History
Car Journal Lubricating Machine. (open access)

Car Journal Lubricating Machine.

Patent for employed who related to car journal lubricating machine and oiling all classes of railroad cars and streetcars. Also, its benefits to improve the construction and increase the efficiency of machines of this character.
Date: April 4, 1916
Creator: Fleischer, Lewis Bernard
System: The Portal to Texas History
Device for Preventing Overflow of Tanks. (open access)

Device for Preventing Overflow of Tanks.

Patent for preventing the "repeated discharge of the contents of a flush tank" (lines 10-11) and enhance overall utility that require a flush tank. Information and illustration provided.
Date: April 4, 1916
Creator: Logan, Paul H.
System: The Portal to Texas History
Necktie (open access)

Necktie

Patent for a pre-made necktie. This is a pre-made four in hand necktie that is designed to be adjustable to various neck sizes and made to not tear a shirt collar.
Date: April 27, 1915
Creator: Allen, Joseph H.
System: The Portal to Texas History
Engine-Starting Device (open access)

Engine-Starting Device

Patent for engine starting device to prevent back-fires when cranking, complete with illustrations.
Date: April 13, 1915
Creator: Kneezell, Edward
System: The Portal to Texas History
Gas-Producer. (open access)

Gas-Producer.

Patent for an improvement to a gas producing apparatus which makes gas continuously from "combustible material mixed with air and the subsequent combination of gases formed by the decomposition" (lines 13-15) of resulting gases, including instructions and illustrations.
Date: April 28, 1914
Creator: Hirt, Jules H.
System: The Portal to Texas History
Ticket-Holder. (open access)

Ticket-Holder.

Patent for device to hold car tickets, and to administer these tickets one at a time.
Date: April 14, 1914
Creator: Wohl, Charles J.
System: The Portal to Texas History
Pulverizing or Grinding Machine (open access)

Pulverizing or Grinding Machine

Patent for an improved, efficient pulverizing or grinding machine. Primarily used for pulverizing or grinding limestone and used is assistance with manufacturing cement, this improved machine focuses on a larger output through improvements in the cycling of surplus air.
Date: April 7, 1914
Creator: Steckle, Edward J.
System: The Portal to Texas History
Automatic Car-Dump (open access)

Automatic Car-Dump

Patent for automatic dumpers that can be readily and inexpensively fitted and adapted to most forms of dump car.
Date: April 22, 1913
Creator: Putnam, John J.
System: The Portal to Texas History
Controlling System for Motor-Traction Cars. (open access)

Controlling System for Motor-Traction Cars.

Patent for controlling systems for motor traction cars. These controlling systems provide automatic control outside the volition of the motorman.
Date: April 2, 1912
Creator: Mayo, William C.; Briggs, George E. & Houlehan, John
System: The Portal to Texas History