Resource Type

Apparatus for Sulfur Mining (open access)

Apparatus for Sulfur Mining

Patent for "new and useful improvement" for sulfur mining by Mr. Robert Carmichael. This device has particular application for mining in subterranean environments, "by use of pumping a heated fluid down into contact with a sulfur strata" (lines 14-15).
Date: December 9, 1919
Creator: Carmichael, Robert E.
System: The Portal to Texas History
Lawn Swing (open access)

Lawn Swing

Patent for an improved version of a Lawn Swing that is easily constructed and weather resistant, including illustrations.
Date: December 12, 1919
Creator: Galipp, Herman C.
System: The Portal to Texas History
Aircraft Propelling and Manipulating (open access)

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
Apparatus for Curing Tire Casings. (open access)

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
Window-Shade-Operating Device (open access)

Window-Shade-Operating Device

Patent for a window-shade-operating device that "revolv[es] the shade roller and [retains] the roller in position whereby the shade is held at the desired point" (lines 14-17).
Date: December 16, 1919
Creator: Minnis, Henry M.
System: The Portal to Texas History
Window Shade Guide. (open access)

Window Shade Guide.

Patent for window shade roller guides. This invention ensured a smooth and successful unrolling of the window shade, allowing the shade to be guided by a two-part attachment on the sides of the window shade spool. The inventor claimed that the use of this apparatus could preserve the integrity of the roller by minimizing damage during operation.
Date: December 2, 1919
Creator: Orr, James E.
System: The Portal to Texas History
Valve Remover. (open access)

Valve Remover.

Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Date: December 2, 1919
Creator: Ingram, George W.
System: The Portal to Texas History
Indicator for Vehicles. (open access)

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
Lawn Mower (open access)

Lawn Mower

Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.
Date: December 5, 1919
Creator: Coniglio Carmelo
System: The Portal to Texas History
Tunneling-Machine. (open access)

Tunneling-Machine.

Patent for a tunneling machine that has the ability to easily change course and utilizes a conical shaped shell to receive loose earth and convey it towards the mouth of the tunnel. The invention also has a rotating head connected to the carrying vehicle meaning that the machine is supported and driven forward against the tunnel as it is cut away.
Date: December 30, 1919
Creator: Dana, Frank L.
System: The Portal to Texas History
Windmill Pipe Attachment (open access)

Windmill Pipe Attachment

Patent for a windmill pipe attachment that is meant to close the vent opening of a windmill and drain from an opening of the user's choosing.
Date: December 30, 1919
Creator: Boerner, Fredrick W.
System: The Portal to Texas History
Waterproofing Composition and Process of Making the Same. (open access)

Waterproofing Composition and Process of Making the Same.

Patent for a new and useful improvement to a soluble composition that when applied to fabrics as a fluid, allows for making it waterproof and also fabric preservation.
Date: December 23, 1919
Creator: Mayer, Max B.
System: The Portal to Texas History
Water-Gage. (open access)

Water-Gage.

Patent for a water-gage measuring the height or volume of water in a steam boiler, particularly those "held closed by the weight of the operating handle" (lines 11-12). The device is designed for simple manufacture and easy assembly & disassembly without tools, and features a valve seat that stays in place, illustrations included.
Date: December 30, 1919
Creator: Leidecker, Helmoth M.
System: The Portal to Texas History
Windmill Attachment. (open access)

Windmill Attachment.

Patent for an attachment for hand or windmill pumps in order to reduce stress of upward and load moving strokes, including instructions and illustrations.
Date: December 23, 1919
Creator: Bertrand, Rabb A.
System: The Portal to Texas History
Wire-Working Machine. (open access)

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
Improving Oils. (open access)

Improving Oils.

Patent for a method of improving the quality of more volatile petroleum oils, such as gasoline and burning oils.
Date: December 23, 1919
Creator: McAfee, Almer M.
System: The Portal to Texas History
Traffic-Signal. (open access)

Traffic-Signal.

Patent for a traffic signal that provides a way for automobiles to notify other vehicles that the operator is about to make a turn or bring his vehicle a stop, with illustrations.
Date: December 23, 1919
Creator: Tillery, John F.
System: The Portal to Texas History
Well Capping Device. (open access)

Well Capping Device.

Patent for "new and useful improvements in a well capping device." [lines 9-10]
Date: December 2, 1919
Creator: Thrift, Homer C.
System: The Portal to Texas History
Trap (open access)

Trap

Patent for a bird-catching trap that has an entrance that is always open but prevents exit; also includes a device that keeps the bait visible but never attainable
Date: December 23, 1919
Creator: Mayse, Henry F.
System: The Portal to Texas History
Washboiler (open access)

Washboiler

Patent for an improved wash boiler that contains a false bottom and ejectors to more efficiently clean the wash boiler, and to better control the passage of water.
Date: December 16, 1919
Creator: McFarland, James W.
System: The Portal to Texas History
Traffic-Signal. (open access)

Traffic-Signal.

Patent for a traffic signal designed especially for use while attached to an automobile, illustrations included. The device is intended to indicate the direction of proposed turning and travel of the vehicle via controls that are convenient to the vehicle operator.
Date: December 9, 1919
Creator: Wilke, Edward V.
System: The Portal to Texas History
Storage-Rack. (open access)

Storage-Rack.

Patent for a mounted storage rack for automobiles that can be folded onto the running board. The rack may be shortened or lengthened for running boards of different lengths, or to provide a storage space of a given length.
Date: December 23, 1919
Creator: Turner, John S.
System: The Portal to Texas History
Tire Tool (open access)

Tire Tool

Patent for improvements in tire tools by Mr. Preston G. Taylor. These improvements relate to "expanding demountable tire-carrying rims of split tires," the object of which is the provision of a tool by which the rim, "can easily be contracted for removal from the tire," and "expanded to its proper position after the tire has been put back on the rim" (lines 8-15).
Date: December 2, 1919
Creator: Taylor, Preston G.
System: The Portal to Texas History
Mail Delivery Apparatus (open access)

Mail Delivery Apparatus

Patent for improvements to mail delivery through sorting and distribution to different destinations with illustrations.
Date: December 16, 1919
Creator: Cobb, Albert C.
System: The Portal to Texas History