Tractor. (open access)

Tractor.

Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date: March 23, 1920
Creator: Weaver, William S.
System: The Portal to Texas History
Pump (open access)

Pump

Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date: April 23, 1920
Creator: Scott, Floyd L.
System: The Portal to Texas History
Measuring Device (open access)

Measuring Device

Patent for improvements to the measuring device used to ascertain the depth of a well.
Date: May 23, 1922
Creator: Bevel, Jack H.
System: The Portal to Texas History
Nut and Pipe Wrench. (open access)

Nut and Pipe Wrench.

Patent for a nut and pipe wrench that has a detachable handle member which allows the shank to be reduced and extended.
Date: November 23, 1920
Creator: Hunter, Arthur G.
System: The Portal to Texas History
Surgical Instrument. (open access)

Surgical Instrument.

Patent for a medical instrument used to perform circumcisions "without pain and bloodlessly" (lines 10-11) and illustration.
Date: May 23, 1922
Creator: Couch, Albert B.
System: The Portal to Texas History
Unscrewing Device for Pipe-Joints. (open access)

Unscrewing Device for Pipe-Joints.

Patent for an unscrewing device for pipe-joints, in the event that the drill stem gets stuck while drilling wells. This invention allows the user to unscrew "the joints of the drill stem" and withdraw "the same without the use of the left hand threaded string of pipe" (lines 35-38).
Date: March 23, 1920
Creator: Edwards, Charles R.
System: The Portal to Texas History
Tire-Chain (open access)

Tire-Chain

Patent for improved tire chains which can withstand greater strain.
Date: March 23, 1920
Creator: Fields, James A. & Witte, Jessie J.
System: The Portal to Texas History
Gate-Latch. (open access)

Gate-Latch.

Patent for a gate-latch that latches closed with extension of the gate, but allows the gate to open by elevating said latch.
Date: November 23, 1920
Creator: Bramblett, Benjamin F.
System: The Portal to Texas History
Hair Clipper (open access)

Hair Clipper

Patent for improving structure of clipper forming co-pending application Serial No. 469,842. Simplifying manufacturing and adding other features.
Date: May 23, 1922
Creator: Monroe, Collier
System: The Portal to Texas History
Ensilage-Packer for Silos. (open access)

Ensilage-Packer for Silos.

Patent for a device in "which the center and edges" of a silo "will be packed with equal firmness and solidity" (lines 14-16) of materials, including an illustration and description of the device.
Date: March 23, 1920
Creator: Comer, John H.
System: The Portal to Texas History
Puzzle. (open access)

Puzzle.

Patent for a puzzle made of interlocking blocks that are attached by a cord through holes in the blocks, that, when fully assembled, forms the shape of a Chinese cross.
Date: August 23, 1921
Creator: Hime, Clint T.
System: The Portal to Texas History
Process of Treating Wood. (open access)

Process of Treating Wood.

Patent for less expensive chemical wood treatment that will not leach out, will make wood more durable, and preserve wood for multiple uses including marine construction.
Date: August 23, 1921
Creator: Chandler, Asa C. (Asa Crawford), 1891-1958
System: The Portal to Texas History
Flush-Tank Valve (open access)

Flush-Tank Valve

Patent for a Flush-Tank Valve. This is an improved Flush-Tank Valve, which will ensure that their is so waste of water if the float in the tank ceases to operate. For example, if the float does not work properly, the valve will activate and shut off the remaining water. The invention also provides a valve that can be easily fitted to any flush tank.
Date: November 23, 1920
Creator: Hardt, Benjamin F.
System: The Portal to Texas History
Elevator. (open access)

Elevator.

Patent for a new and improved design of elevators "for the purpose of preventing accidents" (lines 26-27) by locking the entrance doors while the elevator is moving, including illustrations. It is designed to be used by passengers but can also be adapted to be used as a freight elevator.
Date: November 23, 1920
Creator: Williams, George M.
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for a cotton-chopper with two disk-cutters mounted to a supporting frame, which can be positioned parallel or at an angle to each other. Each disk-cutter is attached by a projecting arm, which provides foot support and allows each disk to be operated independently. Patent includes illustrations.
Date: November 23, 1920
Creator: Jones, John W.
System: The Portal to Texas History
Sliding Caster (open access)

Sliding Caster

Patent for improvements to furniture sliding casters for protecting the furniture, as well as floors and carpets when moving furniture. Improvements include caster prongs "which are set back from the outer margin of the caster so as not to split or mutilate the [furniture] leg" (lines 23-25) and casters that are "easily casted or stamped out from sheet metal [ . . . ] which therefore may be cheaply and easily manufactured" (lines 29-32).
Date: November 23, 1920
Creator: Preston, Charles L.
System: The Portal to Texas History
Double-Lever Brake. (open access)

Double-Lever Brake.

Patent for "new and useful improvements in Double-Lever Brakes." (lines 6-7) and how the invention will provide more power to the brake and equally distribute that power. Includes illustrations.
Date: March 23, 1920
Creator: Roberts, George P.
System: The Portal to Texas History
Display-Stand. (open access)

Display-Stand.

Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
System: The Portal to Texas History
Culvert. (open access)

Culvert.

Patent for a culvert which is to be used for sewers or other underground conveyers. Its is to be composed of varying materials that can be easily shipped and jointed together to form the sewer or other underground conveyer.
Date: March 23, 1920
Creator: Charliss, Charles F. J.
System: The Portal to Texas History
Brake. (open access)

Brake.

Patent for a brake (as it pertains to vehicles), that is operated by hand and that employs the use of brake bands and a drum to alter the momentum of a vehicle.
Date: May 23, 1922
Creator: White, John W.
System: The Portal to Texas History
Grain Bag Holder (open access)

Grain Bag Holder

Patent for Grain Bag Holder which is a simple device that will enable an operator to hold a bag securely at one side of a chute and which holder will quickly release the bag at the will of the operator.
Date: August 23, 1921
Creator: White, Ira B.
System: The Portal to Texas History
Tool-Handle. (open access)

Tool-Handle.

Patent for a hammer handle with an inner reinforcing plate which is strong and slightly flexible, so as to "be practically unbreakable" (lines 25-26) and "afford the necessary yielding action or spring to avoid jarring the hands of the operator while in use" (lines 26-29). Application of the design principle to other similar tools, such as "hatchets, axes, shovels, spades, hoes, etc." (lines 22-23), is also suggested.
Date: August 23, 1921
Creator: Johnson, George T.
System: The Portal to Texas History
Roller Boring-Drill. (open access)

Roller Boring-Drill.

Patent for a roller boring-drill with improved arrangement of cutters on the head, and formation of teeth on the cutters. This new head design is better for drilling formations that are not brittle.
Date: August 23, 1921
Creator: Fletcher, Harold W.
System: The Portal to Texas History
Cotton-Tramper. (open access)

Cotton-Tramper.

Patent for an improvement in the "apparatus for tramping and packing cotton" and "for automatically feeding cotton to a tramper at predetermined intervals." The invention is to be used in a two-story ginhouse alongside a condenser and press box.
Date: August 23, 1921
Creator: Hopkins, Andrew J.
System: The Portal to Texas History