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
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
Game-Board. (open access)

Game-Board.

Patent for a game board that includes barriers, inclines, and depressions in the board which is meant to simulate a game similar to baseball (as well as other games) using a cue ball. The game board also comes with auxiliary barriers to adjust gameplay.
Date: July 12, 1921
Creator: Sterling, Don L.
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
Self-Lining Interlocking Building-Block. (open access)

Self-Lining Interlocking Building-Block.

Patent for interlocking building-blocks that allow for the formation of strong insulated and properly lined walls without the use of skilled labor and with or without reinforcements.
Date: July 12, 1921
Creator: Merren, John Jay
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
Ironing-Board. (open access)

Ironing-Board.

Patent for an ironing board that has no legs or braces, but is securely held and provided with a cabinet that can be attached to the side of a wall or built into a wall to not take up space in the room by being placed out. Makes for easier ironing of garments, such as dresses and skirts, by allowing them to be inserted on the board.
Date: July 12, 1921
Creator: Trammell, Earl, M. & Carothers, Willam C.
System: The Portal to Texas History
Motorcycle-Stand. (open access)

Motorcycle-Stand.

Patent for a motorcycle stand that can be released manually through a lever near the saddle to lock the stand into place until the operator unlocks it.
Date: July 21, 1921
Creator: Swenson, Carl J.
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
Method of Repairing Scored Cylinders. (open access)

Method of Repairing Scored Cylinders.

Patent for repairing scored cylinders in internal combustion engines by making the cylinders as smooth and hard as before they were scored and by filling the scores with metal to maintain the firmness.
Date: July 12, 1921
Creator: Eury, Zebulon J.
System: The Portal to Texas History
Bailer. (open access)

Bailer.

Patent for improved bailer for deep wells (e.g., oil wells), cheaper to use and manufacture, with a better delivery gate and improved method for triggering gate closure upon bailer withdrawal.
Date: July 26, 1921
Creator: Swartz, Ira
System: The Portal to Texas History
Electric-Current Relay (open access)

Electric-Current Relay

Patent for Electric-Current Relay to allow capability of use with either a direct or alternating current. This is adapted for economical use in constant temperature apparatus. Further, this technology avoids the possibility of "sticking of relay movable contacts".
Date: July 19, 1921
Creator: Lorenz, Charles O.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.
Date: July 19, 1921
Creator: Duda, Oswald
System: The Portal to Texas History
Wagon. (open access)

Wagon.

Patent for "a vehicle such as a wagon with means for automatically pulling cotton bolls." (lines 16-17)
Date: July 12, 1921
Creator: Jennings, William L.
System: The Portal to Texas History
Portable Locomotive-Valve-Seating Machine. (open access)

Portable Locomotive-Valve-Seating Machine.

Patent for improvements to valve-seating machines that allows for them to be constructed simply.
Date: July 19, 1921
Creator: Mooney, James J. & Bennet, Richard E.
System: The Portal to Texas History
Safety Oil-Can. (open access)

Safety Oil-Can.

Patent for "an improvement in safety oil cans...to provide in an oil can, [a] mechanism for securely closing the spout, to prevent waste and evaporation..." (lines 9-13).
Date: July 26, 1921
Creator: Richey, James David
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
Eyeglass Mounting (open access)

Eyeglass Mounting

Patent for the creation of new and useful improvements in eyeglass mounting.
Date: July 1, 1921
Creator: Henderson, W. T.
System: The Portal to Texas History
Safety-Razor (open access)

Safety-Razor

Patent for a razor held in place by a guard that protects the user against injury and the razor against dulling. The safety razor is easy to clean and is designed to be "cheaply and easily manufactured" (lines 21-22).
Date: July 5, 1921
Creator: Benton, Columbus A.
System: The Portal to Texas History
Watch Belt-Buckle. (open access)

Watch Belt-Buckle.

Patent for a watch belt-buckle. This invention allows a novel belt buckle to retain a watch therein so that time can be observed. Additionally, this invention allows for the watch to be readily open or closed with respect to the buckle via a removable hinge.
Date: July 5, 1921
Creator: Perry, Charles, Jr. & Currie, Neil
System: The Portal to Texas History
Strap Binder or Lock and Record-Check. (open access)

Strap Binder or Lock and Record-Check.

Patent for an improved strap-binder or lock and record-check that is "simple, effective, and comparatively inexpensive" to manufacture (lines 8-11).
Date: July 7, 1921
Creator: Glisson, Amos A.
System: The Portal to Texas History