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Process of and Apparatus for Progressive Electrostatic Separation of Comminuted Material

Description: Patent for a new process and equipment that improves upon prior work to separate comminuted materials. This patent explores the new process which "provides means for moving the electro-static waves or charges across the line of normal movement of the material upon a support of between two opposing stationary electrodes by so directing and controlling the electric charges, that each bar electrode is charged in succession across the deck and at an angle to the movement of such deck, whereby the d… more
Date: April 26, 1921
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Underreamer.

Description: Patent for a strengthened and improved underreamer for more effective well drilling.
Date: February 15, 1921
Creator: Montgomery, Gustavus A.
Partner: UNT Libraries Government Documents Department

Well-Tubing Catcher

Description: Patent for an improved well tubing catcher, which "provides an equal and positive bearing surface for the gripper slips or dogs in all their adjusted positions" (lines 16-18), including illustrations.
Date: April 12, 1921
Creator: Wilson, Robert A.
Partner: UNT Libraries Government Documents Department

Arrangement and Construction of Self-Service-Store Fixtures

Description: Patent for new and useful improvements in arrangement and construction of self-service-store fixtures. This invention provides an arrangement of shelving in sections with other parts of store furnture, the shelving being so arranged and constructed that all available space is economically utilized and at the same time permits the goods displayed on the shelves to be visible from a designated point in the store to avoid surreptitious removal of any goods while providing ample room for customers … more
Date: October 4, 1921
Creator: Hill, Leslie A.
Partner: UNT Libraries Government Documents Department

Apparatus for Separating Substances of Different Dielectric Capacities.

Description: Patent for an apparatus for separating substances of different dielectric capacities; the objective of this invention is to provide means for the material to be separated into its component particles for the purpose of producing material of dielectric hysteric impedance and collecting the separated particles according to the difference in time that the particles maintain their polarity due to the impedance generated from them.
Date: August 2, 1921
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Game-Board.

Description: 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.
Partner: UNT Libraries Government Documents Department

Book-Support and Writing-Table.

Description: Patent for book support and writing table that adjusts to the item being used by the person. The tray is able to hold the item either a book or writing materials while adjusting to the user's needs. The book support and writing table can be folded to occupy little space.
Date: May 10, 1921
Creator: Taylor, Henry S.
Partner: UNT Libraries Government Documents Department

Street-Directory.

Description: Patent for business guide and street directory to help identify locations of business houses, streets, and street numbers more quickly and effectively.
Date: August 2, 1921
Creator: Marshall, Fred N.
Partner: UNT Libraries Government Documents Department

Liquid or Gaseous Fuel Burning Furnace.

Description: Patent for a furnace that can be powered either by gas or liquid fuel. Designed specifically for improved insulation and fuel efficiency.
Date: March 1, 1921
Creator: Hoover, Orvill Lockwood Mead
Partner: UNT Libraries Government Documents Department

Cotton-Cleaner and Boll-Breaker.

Description: Patent for cotton cleaning and boll-breaking apparatus that simplifies assembling, disassembling, and adjusting parts. The apparatus uses a suction that feeds the material into the rotating blades for cleaning. Special features include removable screen frames, refuse collecting pockets, and replaceable blades.
Date: November 15, 1921
Creator: Stacy, Grover C.
Partner: UNT Libraries Government Documents Department

Embroidery-Needle.

Description: Patent for an embroidery needle that is simplified version for easy use and avoid complications. The embroidery needle has a better grip for the user.
Date: March 15, 1921
Creator: Pade, George V. & Neitzel, Conrad T.
Partner: UNT Libraries Government Documents Department

Pipe-Coating Machine.

Description: Patent for a pipe coating machine which coats the pipes used for oil and gas pipe lines with a safety material like tar.
Date: April 26, 1921
Creator: Taber, Rock G.
Partner: UNT Libraries Government Documents Department

Elevator Controlling Device

Description: Patent for improvements to the elevator controlling device. These improvements have to do with the main circuit being broken while the elevator doors are open, thus stopping the elevator from moving before the doors are fully closed.
Date: September 13, 1921
Creator: Quick, Charles F.
Partner: UNT Libraries Government Documents Department

Motor- Driven Tire- Pump

Description: Patent for Motor-Driven Tire Pump. Motor tire pump that helps inflate tires.
Date: February 8, 1921
Creator: Guthrey Gordon N.
Partner: UNT Libraries Government Documents Department

Cotton-Cultivator.

Description: Patent for an improved cultivator used for tillage when the plows are not in the ground. The cultivator can also lighten the heaviness felt by the operator while the plow is being used.
Date: May 17, 1921
Creator: Barnett, James Samuel
Partner: UNT Libraries Government Documents Department

Means For Protecting Vaults.

Description: 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.
Partner: UNT Libraries Government Documents Department

Building Construction.

Description: 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.
Partner: UNT Libraries Government Documents Department

Plastic Base for Poles.

Description: Patent for a plastic base for poles which aims to lengthen the life of the average pole and enable the use of poles of shorter lengths.
Date: May 17, 1921
Creator: Hoyle, Millard F.
Partner: UNT Libraries Government Documents Department

Clutch and Transmission Device

Description: Patent for new and useful improvements in the development of clutch and transmission devices.
Date: February 22, 1921
Creator: Hubbard, Adra M.
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater with a two-part jacket that allows the circulation of heat and products of combustion to maximize its fuel efficiency.
Date: June 21, 1921
Creator: Fowles, Alfred T.
Partner: UNT Libraries Government Documents Department

Dressing Block.

Description: Patent for Dressing Block for well drilling tools. A further aim of this invention is to provide a means for adjusting the tool and the anvil so that tools of different lengths and different sizes, may be readily accommodated and properly dressed.
Date: November 8, 1921
Creator: Montgomery, Gustavus A.
Partner: UNT Libraries Government Documents Department

Cycle-Car

Description: Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date: November 29, 1921
Creator: Payne, Luther M.; Miller, Lee A. & Douglas, John J.
Partner: UNT Libraries Government Documents Department

Lift for Gin-Breasts.

Description: Patent for safely positioning the gin breast by including a operating lever to raise, swing, or lower the breast.
Date: June 7, 1921
Creator: Pool, Charles R. P.
Partner: UNT Libraries Government Documents Department

Motor-Driven Surface-Treating Machine.

Description: Patent for a surface-treating machine propelled by a motor. The design is compact, economic, and more efficient than previous machines.
Date: September 13, 1921
Creator: Clarke, Alex A.
Partner: UNT Libraries Government Documents Department
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