Resource Type
Degree Department
Country
States
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
Automatic Heat-Regulator for Incubators.
Patent for a device that allows for automatic temperature regulation in incubators. It operates by extinguishing and lighting the incubator's heating lamp wick to maintain a predetermined temperature.
Date:
March 29, 1921
Creator:
Wiedner, Charles
System:
The Portal to Texas History
Aeroplane.
Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date:
November 15, 1921
Creator:
Smith, Joseph A.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date:
April 12, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Polish-Box Opener.
Patent for a tool designed to open boxes of shoe polish paste.
Date:
June 14, 1921
Creator:
Ramon, Zaragoza Gonsalez
System:
The Portal to Texas History
Holder for Dental X-Ray Films.
Patent for dental X-Ray holders that securely hold the film in place and categorize the X-Rays into series that comprise views of the whole mouth.
Date:
May 17, 1921
Creator:
Martin, James Madison
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
Cotton-Pest-Destroying Machine
Patent for a machine that destroys boll weevils and other agricultural pests. It distributes moisture and poisonous powder that adheres to plants.
Date:
June 21, 1921
Creator:
Saladiner, Joseph M.
System:
The Portal to Texas History
Broom.
Patent for a broom that has replaceable straw sections.
Date:
June 7, 1921
Creator:
Blasingame, Frank P.
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
Farm-Gate
Patent for an improved hinge mounting for a gate to swing and to served as a stay or brace connecting a pair of posts supporting the gate. Also, a provision of a novel mounting and operating means for such a gate, including springs for raising the operating levers on the gate used to move the gate.
Date:
August 23, 1921
Creator:
Rawley, Fleming C.
System:
The Portal to Texas History
Necktie-Holder
Patent for improvements to necktie-holders, particularly to prevent the neck-tie from sliding down toward the lower portion of the collar.
Date:
April 21, 1921
Creator:
Potter, Arthur C.
System:
The Portal to Texas History
Blade-Holder
Patent for a new and useful improvements to a blade holder. It can hold any form of razor blades can be securely held and easily released. The holder allows blades to be inserted safely and then hold blades firmly into place.
Date:
September 27, 1921
Creator:
Lightfoot, Roy L.
System:
The Portal to Texas History
Cooking Utensil
Patent for a device to heat a cooking utensil's content. The object provides a device which will support a receptacle in or outside any type of heating medium. It also requires only a minimal heating surface to radiate heat to all sides of the receptacle as well as the very bottom.
Date:
December 13, 1921
Creator:
Kirk, Robert B. & Young, Joseph 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 for Oil-Wells and the Like.
Patent for an improved grapple device that can help recover rigging parts from oil wells, including illustrations.
Date:
April 19, 1921
Creator:
Reed, Clarence E.
System:
The Portal to Texas History
Ice-Carrier.
Patent for an adjustable ice carrier which can be attached to and removed from the running board of an automobile, including illustrations.
Date:
April 19, 1921
Creator:
Cronin, John J.
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
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
Rolling Fender
Patent for improvements in rolling fenders. The invention can be attached to an earth working device, such as a cultivator, to prevent clods of dirt being thrown and crushing small plants. Multiple discs will crush the clods and prevent the dirt from sticking to the rolling fender.
Date:
May 3, 1921
Creator:
Wright, Joseph Hansel
System:
The Portal to Texas History
Hair-Clipper.
Patent for "certain new and useful Improvements" (line 6) in the Hair Clipper, concerning the introduction of more efficient "double-acting clippers" (line 12), including illustrations.
Date:
April 26, 1921
Creator:
Jones, Sidney P. & Wallace, David P.
System:
The Portal to Texas History
Fishing-Tool.
Patent for improvements on the Fishing-Tool, including illustrations. The tool was improved in order to make the boring of wells using pipes more efficient.
Date:
October 4, 1921
Creator:
McMillian, John F.
System:
The Portal to Texas History
Metal-Working Device.
Patent for a hand-operated device that bends and shears metal at any desired angle and length.
Date:
August 16, 1921
Creator:
Bussel, H.
System:
The Portal to Texas History
Oil-Burner.
Patent for oil burner that simultaneously ignites and vaporizes liquid fuel.
Date:
August 16, 1921
Creator:
Mills, V.H.
System:
The Portal to Texas History