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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
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
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
Apparatus for Training Troop in the Pointing of Guns
Patent for improvements to apparatus to train troops in pointing and aiming various firearms. An electric lamp shines light through a tube to point at the target, with a shutter that can operate simultaneously with the trigger or remain open.
Date:
April 26, 1921
Creator:
Place, Olney
System:
The Portal to Texas History
ATTACHMENT FOR INTERNAL COMBUSTION MOTORS
Patent for an Attachment for Internal Combustion Motors. This new attachment provides many improvements in the regulation of auxiliary air, whether it enters or leaves the internal combustion motor (Shine). It also regulates hot or cold air, or can shut off the air supply entirely (Shine).
Date:
April 26, 1921
Creator:
Shine, John
System:
The Portal to Texas History
Automatic Sand Trap
Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Date:
April 12, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
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
Automatically-Operated Gate and Door
Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date:
April 9, 1921
Creator:
Brown, George W.
System:
The Portal to Texas History
Automobile-Fender
Patent for improvements in automobile-fenders. A simple and efficient cushioning fender for breaking.
Date:
April 19, 1921
Creator:
Dodson, George W.
System:
The Portal to Texas History
Building Construction.
Patent for new and improved building constructions which will help the economy, steadiness, benefit, and rapidity of erection.
Date:
April 26, 1921
Creator:
Eldridge, Leonard L.
System:
The Portal to Texas History
Cake-Forming and Cage-Loading Mechanism for Oil-Presses.
Patent for a cake-forming and cage-loading mechanism for oil presses, specifically designed for extracting vegetable oil from cooked meats. The mechanism includes a revolving mold member and presser, allowing cooked meats to be compacted and ejected into a cake receiving cage.
Date:
April 26, 1921
Creator:
Henry, Nelson B. (Nelson Bollinger), Jr., 1883-1969
System:
The Portal to Texas History
Carbon-Removing Tool
Patent for a new and improved carbon removing tool, which allows for the removal of carbon from the pistons of internal combustion engines. Includes illustrations.
Date:
April 12, 1921
Creator:
Slagle, Eugene H.
System:
The Portal to Texas History
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
Concrete Building Mold.
Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.
Date:
June 14, 1920
Creator:
Rossiter, Jay A
System:
The Portal to Texas History
Condiment-Holder.
Patent for condiment holder that can be filled with different condiments that can be dispensed separately or both at the same time. This design is also more durable, efficient, and low cost.
Date:
April 26, 1921
Creator:
Peters, Shafeh
System:
The Portal to Texas History
Cotton-Chopper
Patent for a machine that can be drawn along a row of cotton to chop the adjacent plants and cultivate the ground under the machine. The device is height adjustable by the operator.
Date:
April 12, 1921
Creator:
Schwab, Bruno; Schneider, Richard & Hoegenauer, Haver
System:
The Portal to Texas History
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
Dredge-Pump
Patent for new and useful improvements to Dredge-Pumps. The pump is used to draw up sand and gravel from the bottom of a river.
Date:
April 12, 1921
Creator:
Stenberg, Anders Gustaf
System:
The Portal to Texas History
Electrically-Controlled Puller For Oil-Well Casings.
Patent for an improved oil well casing puller that has electromagnets that will lock against the inside of the casing and be pulled out of the well. The pulley within the casing can be used accordingly and can also be locked with the casing or released from it.
Date:
April 12, 1921
Creator:
Dooley, William D.
System:
The Portal to Texas History
Feed Spout Barrier
Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date:
April 12, 1921
Creator:
Allen, Charles
System:
The Portal to Texas History
Filtering Material.
Patent for "improved filtering stuff composition" (lines 8-9), containing vegetable ashes and an insoluble binding agent for the purpose of purifying liquids.
Date:
April 19, 1921
Creator:
Müller, Enrique
System:
The Portal to Texas History
Floor System.
Patent for improved T-beams for floor support, which improve bonding between the beams and poured flooring and columns.
Date:
April 26, 1921
Creator:
Moore, Stuart B.
System:
The Portal to Texas History
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
Grapple.
Patent for improving grapples for regaining tools, particularly those that can be hidden and submerged.
Date:
April 26, 1921
Creator:
James. C. Ginter.
System:
The Portal to Texas History