26 Matching Results

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Process For The Reduction Of Iron And Lead Ores. (open access)

Process For The Reduction Of Iron And Lead Ores.

Patent for a process that reduces iron and lead ores. This is done through two distinct combustion processes, the first of which converts the fuel and oxygen into carbon dioxide and the second process which produces carbon monoxide, that can produce iron or steel of different grades.
Date: June 14, 1921
Creator: Anderson, Robert J.
System: The Portal to Texas History
Cleaning Device (open access)

Cleaning Device

Patent for a cleaning tool that attaches to the windshields of automobile windows to clean snow, rain, and dust. It is operated from the interior of the car and can be easily attached and removed. Includes illustrations.
Date: March 29, 1921
Creator: Rivers, Charles A. & Stuart, Francis B.
System: The Portal to Texas History
Automatic Separator and Evaporator. (open access)

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
Metal-Working Device. (open access)

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
Valve and Valve-Seat. (open access)

Valve and Valve-Seat.

Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date: September 20, 1921
Creator: Bevelle, Joseph C. & Smith, Joseph J.
System: The Portal to Texas History
Locking Device for Motor-Vehicles. (open access)

Locking Device for Motor-Vehicles.

Patent for a simple, inexpensive locking mechanism that would prevent an automobile from being used in an unauthorized way, while still allowing the vehicle to be manually moved or towed if needed, including illustrations.
Date: June 21, 1921
Creator: Harris, Robert E.
System: The Portal to Texas History
Foldable Hacksaw. (open access)

Foldable Hacksaw.

Patent for a foldable hacksaw, including illustrations. The foldable hacksaw is "of rigid construction, at the same time being foldable...so that it may be readily carried in the pocket" (lines 13-16).
Date: June 7, 1921
Creator: Barner, Lawrence Dunston
System: The Portal to Texas History
Fluid-Conditioning Apparatus. (open access)

Fluid-Conditioning Apparatus.

Patent for an air conditioning apparatus that provides "new and improved means for moistening and cooling air," including the "collection and accumulation" of the cooling fluid (lines 10-12).
Date: May 31, 1921
Creator: Lindauer, William A.
System: The Portal to Texas History
Dirigible Headlight (open access)

Dirigible Headlight

Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.
System: The Portal to Texas History
Locking Device for Motor-Vehicles. (open access)

Locking Device for Motor-Vehicles.

Patent for locking devices for Ford automobiles and trucks, which have a particular steering and control mechanism. The purpose is to provide a locking device, particularly well adapted to Ford automobiles and trucks, to limit the movement of the steering wheel and prevent the movement of the throttle lever from a closed position.
Date: June 21, 1921
Creator: Harris, Robert E.
System: The Portal to Texas History
Filtering Material. (open access)

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
Container (open access)

Container

Patent for container of heavy fluids and greases able to expel the contents through an opening. This is intended to replace ordinary salve jars, which do not protect contents from contaminants.
Date: June 14, 1921
Creator: Bronson, Arthur S.
System: The Portal to Texas History
Coin-Wrapping Device. (open access)

Coin-Wrapping Device.

Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.
System: The Portal to Texas History
Locking Device for Motor-Vehicles. (open access)

Locking Device for Motor-Vehicles.

Patent for motor vehicle locking device to prevent theft or unauthorized use of motor vehicle. Suited for motor vehicles with the "throttle and spark levers below the steering wheel" (lines 18-19).
Date: May 3, 1921
Creator: Harris, Robert E.
System: The Portal to Texas History
Method and Plant for Storing and Averaging Materials. (open access)

Method and Plant for Storing and Averaging Materials.

Patent for improved storing and retrieval of mining materials through the use of new mechanisms, procedures, and building structures.
Date: August 30, 1921
Creator: Cole, David & Bergman, Julius
System: The Portal to Texas History
Piston Packing (open access)

Piston Packing

Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date: September 27, 1921
Creator: Williams, Nolan S.
System: The Portal to Texas History
Process for Converting Sodium Sulfate to Sodium Sulfid. (open access)

Process for Converting Sodium Sulfate to Sodium Sulfid.

Patent for converting sodium sulfate to sodium sulfid, it is a process conversion of chemical compounds sodium sulfate to sodium sulfid.
Date: November 22, 1921
Creator: Anderson, Robert James
System: The Portal to Texas History
Irrigator (open access)

Irrigator

Patent for an irrigator used to treat piles (hemorrhoids) and similar diseases. A nozzle delivers liquid to wash the surface of the mucus coating of the afflicted area, and then drains the liquid without obstructing the flow of the liquid. Patent includes illustrations.
Date: January 18, 1921
Creator: Phillips, Edwin R.
System: The Portal to Texas History
Lateral-Wear Reducer for Locomotives. (open access)

Lateral-Wear Reducer for Locomotives.

Patent for lateral wear reducer for locomotives that prevent or reduces wear on the train wheels.
Date: March 29, 1921
Creator: Paxton, Thomas
System: The Portal to Texas History
Snap Fastener (open access)

Snap Fastener

Patent for a snap fastener for fastening snap buttons, hooks, and eyes. Intended to replace the need for sewing fasteners onto garments, particularly women's dresses
Date: January 18, 1921
Creator: Warrington, Samuel W.
System: The Portal to Texas History
Feed Spout Barrier (open access)

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
Fiber Extracting Machine (open access)

Fiber Extracting Machine

Patent for "new and improved Fiber-Extracting Machine." (6-7). These improvements are specific to equipment used to separate fibers from vegetable and plant matter. The primary function of this equipment is to extract fiber from the agave plant.
Date: September 6, 1921
Creator: Lambert, William O.
System: The Portal to Texas History
Toupee and Wig Retainer (open access)

Toupee and Wig Retainer

A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date: May 17, 1921
Creator: Tapscott, John Christoper
System: The Portal to Texas History
Sprinkling Device (open access)

Sprinkling Device

Patent for a lawn sprinkling device composed of multiple pipes that are configured into one self-sufficient structure. The discharge nozzle is angular and can be adjusted to point in different lawn areas.
Date: March 29, 1921
Creator: Gomez, Blas
System: The Portal to Texas History