27 Matching Results

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Boll Weevil Catcher (open access)

Boll Weevil Catcher

The objective of the invention is to improve to catching and destroying boll weevils with a device that is easily attached to a cultivator. This device includes "receptacles filled with an insect destroying liquid." (lines 23-24).
Date: July 5, 1921
Creator: Ploch, Alex
System: The Portal to Texas History
Aircraft (open access)

Aircraft

Patent for Improvements to aircraft steering. The invention allows the pilot to adjust the center of mass.
Date: April 5, 1921
Creator: Johnson, Louis V.
System: The Portal to Texas History
Priming-Cup (open access)

Priming-Cup

Patent for an improved version of the priming cup "shown in Patent No. 1,329,464, granted February 3, 1920" (lines13-14). Includes illustrations.
Date: April 5, 1921
Creator: Martinek, Stanley A.
System: The Portal to Texas History
Means For Protecting Vaults. (open access)

Means For Protecting Vaults.

Patent for protecting bank vaults by using metal shells (that are adapted to receive frangible gas containers containing asphyxiating or other disabling gas) as inner linings inside and next to the brick wall of the vault. The metal shells containing the gas containers will break upon contact when a person or persons are trying to breach the outer (brick wall) to gain access to the bank vault.
Date: April 5, 1921
Creator: Bumpass, Leonard E.
System: The Portal to Texas History
Adjustable Luggage-carrier (open access)

Adjustable Luggage-carrier

Patent for a luggage carrier that attaches to vehicles to carry packages of various sizes. Includes illustrations.
Date: April 5, 1921
Creator: Green, John R.
System: The Portal to Texas History
Antileak Composition. (open access)

Antileak Composition.

Patent for improvements in antileak composition in order to prevent leaks in liquid holding containers like radiators, boilers, etc.
Date: July 5, 1921
Creator: Shrum, Will N.
System: The Portal to Texas History
Combined Brace and Angle-Bar for Vehicle-Bodies. (open access)

Combined Brace and Angle-Bar for Vehicle-Bodies.

Patent for braces and angle bars on vehicle bodies that improves the brace to hold buggy beds together with illustration that shows improvements. "When these braces are secured on the bed they will prevent the adjacent parts of the bed from splitting, spreading or dropping down and they will hold the ends and sides, as well as the bottom of the bed securely in place" (lines 61-66).
Date: April 5, 1921
Creator: Kilpatrick, Robert L.
System: The Portal to Texas History
Animal-Trap (open access)

Animal-Trap

Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.
Date: April 5, 1921
Creator: Brewington, Philip Jennings
System: The Portal to Texas History
Digging-Machine. (open access)

Digging-Machine.

Patent for a digging machine specialized in breaking hard soil and creating ridges that attempt to reduce erosion.
Date: April 5, 1921
Creator: Holly, Charles
System: The Portal to Texas History
Garment-Hanger. (open access)

Garment-Hanger.

Patent for a new garment hanger with supported arms that can be folded for storage, including illustrations.
Date: April 5, 1921
Creator: Morton, John R.
System: The Portal to Texas History
Automatic Separator and Evaporator. (open access)

Automatic Separator and Evaporator.

Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date: April 5, 1921
Creator: Allen, Charles
System: The Portal to Texas History
Fire-Extinguisher for Aeroplanes and the Like. (open access)

Fire-Extinguisher for Aeroplanes and the Like.

Patent for a fire extinguisher apparatus to be used in air crafts, boats, and other vehicles designed to be lightweight and to quickly extinguish fires.
Date: July 5, 1921
Creator: Clark, Walter C.
System: The Portal to Texas History
Rubber Razor. (open access)

Rubber Razor.

Patent for a rubber razor. The rubber razor provides a flexible support for multiple blade and will allow the blades to contour to one's face.
Date: July 5, 1921
Creator: Billingsley, Rennie E.
System: The Portal to Texas History
Mower. (open access)

Mower.

Patent for a new mower designed for use with a single horse and provide a device where the sickle bar may be adjusted at various heights.
Date: July 5, 1921
Creator: John Bryon Nelson
System: The Portal to Texas History
Paving Apparatus. (open access)

Paving Apparatus.

Patent for "a device or apparatus for transmitting the vibrations of a vibrating machine...for the purpose of solidifying the paving by driving out air and water and surplus moisture" (lines 12-18), including illustration.
Date: July 5, 1921
Creator: Stubbs, Robert C.
System: The Portal to Texas History
Sanitary Bed-Spring Cover. (open access)

Sanitary Bed-Spring Cover.

Patent for an invention that relates to the improvements in sanitary covers for attachment to the spring of a bed and the spring of the mattress. The sanitary cover provides a solution to repel vermin and noxious insects.
Date: July 5, 1921
Creator: Luedecke, Henry H.
System: The Portal to Texas History
Automobile-Spring. (open access)

Automobile-Spring.

Patent for improvements in automobile-springs, specifically a means of suspending the front and rear springs of an automobile and cushioning and absorbing shocks.
Date: July 5, 1921
Creator: Jones, George Chester & Jones, George C.
System: The Portal to Texas History
Valve. (open access)

Valve.

Patent for improvements to valves, specifically valves that have a sliding movement on the valve seat and to disk valves. The invention is to provide a valve of this type which is used in the interior of vats, tanks, or similar receptacles containing liquids.
Date: July 5, 1921
Creator: Spencer, Elmer H. & Block, A.C.
System: The Portal to Texas History
Peanut-Digger. (open access)

Peanut-Digger.

Patent for improvements to peanut-diggers, specifically a curved frame attached to a plow beam.
Date: July 5, 1921
Creator: Stevens, Shed P.
System: The Portal to Texas History
Vignetting Attachment for Multiple-Exposure Cameras. (open access)

Vignetting Attachment for Multiple-Exposure Cameras.

Patent for a multiple exposure camera attachment that allows multiple exposures to be made on a single plate or film, blending the exposures perfectly while avoiding harsh lines. The attachment is a telescopic tubular attachment with "a plurality of apertured light ray interrupting diaphragms" (lines 77-78).
Date: April 5, 1921
Creator: Moine, Selest E.
System: The Portal to Texas History
Well-Drilling Tool. (open access)

Well-Drilling Tool.

Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date: April 5, 1921
Creator: Clore, Franklin H.
System: The Portal to Texas History
Sample-Taking Device (open access)

Sample-Taking Device

Patent for new and useful improvements for devices to take samples from wells. Specifically designed to take samples from hard formations, such as rock or other hard surfaces, being pierced from the drill from any depth in a well.
Date: April 5, 1921
Creator: Dodds, Redus D.
System: The Portal to Texas History
Traction Device. (open access)

Traction Device.

Patent for a traction device to be attached to the wheels of a motor vehicle to provide greater traction than the treads of the wheels. The traction device is meant to attach to and detach from the wheels as needed and to be adjustable to the dimensions of the wheels and their treads.
Date: July 5, 1921
Creator: Houston, Hugh Edward
System: The Portal to Texas History
Railroad-Tie (open access)

Railroad-Tie

Patent for a metallic tie and fastener designed to replace the wooden tie that was in general use. The purpose of this railroad tie is to secure the rail (preventing spreading) and and to prevent lateral moment (creeping) of the rail when the train is passing over.
Date: July 5, 1921
Creator: Jones, Charles James
System: The Portal to Texas History