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874 Matching Results
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Molding Apparatus
Patent for an improved model of a molding apparatus for producing blocks of concrete that is cheaper to manufacture and more durable and adjustable than its predecessor.
Date:
March 20, 1920
Creator:
Nelson, William E.
System:
The Portal to Texas History
Auxiliary Door-Lock
Patent for an auxiliary door lock, that may be used with any type of door, and that is portable, with illustrations.
Date:
March 2, 1920
Creator:
Shirley, William Arthur
System:
The Portal to Texas History
Tractor Turning Mechanism.
Patent for a tractor turning mechanism that will allow tractors to turn at any angle up to a right angle by locking one of the driving ground wheels into a pivot point for the other wheels of the tractor.
Date:
February 17, 1920
Creator:
Chenoweth, William B.
System:
The Portal to Texas History
Hydrocarbon-Burner.
Patent for "new and useful improvements in Hydrocarbon-Burners" (lines 6-7) including instructions and illustrations.
Date:
February 10, 1920
Creator:
Wynne, William P. & Wynne, James Harry
System:
The Portal to Texas History
Indicator for Vehicles.
Patent for a device for vehicles which can signal turns and stops. Designed to be used in place of the driver's hand, this device consists of indicator arms mounted of either side of a vehicle and button controls placed near the driver's seat. Illustrations included.
Date:
December 30, 1919
Creator:
Hutchison, William F., Sr.
System:
The Portal to Texas History
Aircraft Propelling and Manipulating
Patent for air craft propelling systems for improvements in control of the aircraft by way of a "universal connection" (Lines 13-14) which makes for easier manipulation of the craft and aids in the prevention of air disasters.
Date:
December 23, 1919
Creator:
Schelb, Peter J.
System:
The Portal to Texas History
Wire-Working Machine.
Patent for improvements in Wire-Working Machines that forms hangers for "coats, trousers, and other clothing" (lines 11-12). Provides a more inexpensive, faster, and more accurate machine that uses less power, includes illustrations.
Date:
December 16, 1919
Creator:
Shelton, John F.
System:
The Portal to Texas History
Screen-Hanger.
Patent for more accessible window screen hangers. The inventors claimed that these improved screen hangers eliminated the challenge of hanging window screens on the exterior of tall buildings. These screen hangers allowed customers to hang, adjust, and clean screens from the inside of buildings.
Date:
December 9, 1919
Creator:
Agee, Howard L. & Agee, Sidney A.
System:
The Portal to Texas History
Apparatus for Curing Tire Casings.
Patent for a more efficient system for curing tire casings. The new patented apparatus was capable of providing both smooth and ribbed tire textures by way of aluminum tips and molds. Additionally, the apparatus provided retreading and faster curing of pneumatic tires.
Date:
December 2, 1919
Creator:
Bongio, Philip P. & Stephenson, Elonzo
System:
The Portal to Texas History
Molding Device
Patent for the improvement of multi-pieced molds through the introduction of a gate and tube that allows for rapid coring of a mold.
Date:
December 2, 1919
Creator:
Hawkins, Alda F.
System:
The Portal to Texas History
Automobile -Tire.
Patent for a wire-wrapped casing for car tires.
Date:
November 29, 1919
Creator:
MIchero, William A.
System:
The Portal to Texas History
Crude Oil Refining Process
Patent for the refinement of crude oil, producing refined oil in an economic manor.
Date:
November 11, 1919
Creator:
Evens, Jewett G. P.
System:
The Portal to Texas History
Dehydrating Apparatus.
Patent for an improved food dehydrating apparatus, in which the air pressure in bins of items being dehydrated can be regulated individually, including illustrations.
Date:
October 28, 1919
Creator:
Taylor, Clarence R.
System:
The Portal to Texas History
Center Rail for Key-Actions.
Patent for an easily adjustable, simple, and durable center rail for key actions in pianos which does not require chiseling holes.
Date:
October 21, 1919
Creator:
Swallow, Oscar L.
System:
The Portal to Texas History
Machine for Buffing Inner Tubes and the Like.
Patent for a more efficient and adjustable machine to buff inner tubes and other fabrics.
Date:
October 21, 1919
Creator:
Hibbs, Cassell D.
System:
The Portal to Texas History
Plow
Patent for a modification of a plow that improves ease of use. Additionally the plow adds wings that allow plowing of soil at different angles.
Date:
October 21, 1919
Creator:
Richardson, William T.
System:
The Portal to Texas History
Power-Jack.
Patent for improvements on the power-jack, which help bring liquids to the surface. Specifically designed "to provide a power mechanism for balancing the load or work at all points of the stroke." (lines 11-13), including illustrations.
Date:
October 21, 1919
Creator:
Dayton, William L.
System:
The Portal to Texas History
Well-Cleaner.
This invention relates to an improved well cleaner, and has for its principal object to provide a device of this kind adapted to be positioned in a well casing to direct a volume of air into the casing for cleaning the valves and straining elements thereof. A further object of the invention is to provide an automatic means for sealing the cleaner for holding the fluid within the well casing, against back pressure, during the cleaning operation. (Lines 8-19)
Date:
October 18, 1919
Creator:
Sargent, Lemuel H.
System:
The Portal to Texas History
Automatic Gas Control for Gas Water-Heaters.
Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date:
October 7, 1919
Creator:
Hamilton, Paul H.
System:
The Portal to Texas History
Gas-Purifier
Patent for a device that separates impurities and contaminants from gas used in generators. A series of filters, and baffles are used to extract impurities to the gas supplied to a generator.
Date:
September 16, 1919
Creator:
Modlin, Frank E.
System:
The Portal to Texas History
Hairpin
Patent for preventing "the accidental displacement of the dislodgment of the pin from the hair of the wearer." (Lines 11-12).
Date:
September 11, 1919
Creator:
Nalle, Charles R. of Forth Worth, TX
System:
The Portal to Texas History
Device for Cleaning Wells
Patent for improving the efficiency of oil wells.
Date:
September 2, 1919
Creator:
Sargent, Lemuel S.
System:
The Portal to Texas History
Saw-Gummer.
Patent for saw gummers with simplified operation and adjustable attachments, enabling quicker gumming or sharpening of gin or metal saws, such as those in a cotton gin.
Date:
August 12, 1919
Creator:
Helm, Clyde D.
System:
The Portal to Texas History
Hollow Building-Tile.
Patent for hollow building blocks or tile in a block form with a groove to easily insert a nailing strip which can be secured with nails or screws.
Date:
July 15, 1919
Creator:
Taylor, James T.
System:
The Portal to Texas History