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Ice-Cream Freezer (open access)

Ice-Cream Freezer

Patent for an ice cream freezer that has an attachment at the top which can be grasped by hand to keep the ice cream freezer rigid while operating.
Date: August 16, 1921
Creator: {Neyland, William M.}
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
Oil-Burner. (open access)

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
Oil-Burner. (open access)

Oil-Burner.

Patent for "an improved apparatus for and method of consuming liquid fuel", particularly low-cost heavy oils that are more difficult to burn.
Date: August 16, 1921
Creator: Mills, Virgil H. & Mills, John H. T.
System: The Portal to Texas History
Plaiting-Machine. (open access)

Plaiting-Machine.

Patent for a machine that folds or plaits cloth in the desired style.
Date: August 16, 1921
Creator: Odle, Ophelia.
System: The Portal to Texas History
Pressure-Screw. (open access)

Pressure-Screw.

Patent for a pressure screw where the screw can freely rotate, and the shoe may pivot slightly. It is also designed for easy maintenance and lubrication of the bearing and to be cheap to manufacture, efficient and durable.
Date: August 16, 1921
Creator: Menger, Edward W.
System: The Portal to Texas History
Process of Heating Oil-Retorts and Apparatus Therefor. (open access)

Process of Heating Oil-Retorts and Apparatus Therefor.

Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
System: The Portal to Texas History
Rock-Drill (open access)

Rock-Drill

Patent for a rock drill design for quick drilling.
Date: August 16, 1921
Creator: Alford, Allen
System: The Portal to Texas History
Water-Motor. (open access)

Water-Motor.

Patent for a more powerful and efficient water motor which is durable and comparatively affordable to manufacture.
Date: August 16, 1921
Creator: Brady, Enoch J.
System: The Portal to Texas History
Well-Casing Extractor (open access)

Well-Casing Extractor

Patent for a well-casing extractor that provides gripping rollers for engaging the casing, provides a supporting frame for the movable parts of the apparatus, and provides the means to drive the rollers by power or hand.
Date: August 16, 1921
Creator: {Price, Filmore M.}
System: The Portal to Texas History
Well-Drilling Bit. (open access)

Well-Drilling Bit.

Patent for a well drilling bit with a removable point and cutting edges "at a greater radial distance from the center of the bit" (lines 18-19). The point may be removed for sharpening or replacement.
Date: August 16, 1921
Creator: Midgett, Penelton G.
System: The Portal to Texas History
Automobile-Signal. (open access)

Automobile-Signal.

Patent for a visual indicator signal for motor vehicles.
Date: August 9, 1921
Creator: Cobb, A.C.
System: The Portal to Texas History
Bagging-Cutter (open access)

Bagging-Cutter

Patent for a Bagging-Cutter in order to cut lengths of bagging in an efficient manner. An innovation this provides is in shaping the bags into a roll or rope-shape before being cut, which negates the use of a knife to cut a longer width. This improves ease of handling roles of bagging and requires a shorter fixed-place knife.
Date: August 9, 1921
Creator: Lively, Louis P.
System: The Portal to Texas History
Bandage (open access)

Bandage

Patent for a bandage made of elastic material which includes a flap that can be fastened, or unfastened, and which acts as a holder for an absorbent material that can be replaced.
Date: August 9, 1921
Creator: Kirwan, Leah M.
System: The Portal to Texas History
Charcoal-Burning Apparatus. (open access)

Charcoal-Burning Apparatus.

Patent for a durable, more efficient charcoal-burning device which yields higher quality product and in greater quantity than those existing at the time.
Date: August 9, 1921
Creator: McGee, William H.
System: The Portal to Texas History
Cultivating-Hoe. (open access)

Cultivating-Hoe.

Patent for cultivating hoe in which operating segment is adapted to be multifaceted and prevent becoming dull.
Date: August 9, 1921
Creator: Church, R.D.
System: The Portal to Texas History
Ditch-Filling Machine (open access)

Ditch-Filling Machine

Patent for a Ditch-Filling Machine, focusing on improved operational efficiency and cost-effectiveness. The upgraded machine boasts user-friendly features, making it easily operable, while simultaneously reducing production costs in comparison to its predecessor.
Date: August 9, 1921
Creator: Witt, William C.
System: The Portal to Texas History
Fountain-Pen Blotting Attachment. (open access)

Fountain-Pen Blotting Attachment.

Patent for an attachment for fountain pens that would hold a roll of blotting paper or other ink absorbing material on a revolving stem to be used to remove extra ink from paper after using the fountain pen. The attachment is contained in a cap that is attached to the end of the fountain pen.
Date: August 9, 1921
Creator: Odom, Blaine W.
System: The Portal to Texas History
Four-Wheel Drive Mechanism (open access)

Four-Wheel Drive Mechanism

Patent for improvements toward four-wheel drive mechanisms. This includes adding a vertical and central drive to the front wheels so that they have the same speed rate as the back wheels.
Date: August 9, 1921
Creator: Smith, George W.
System: The Portal to Texas History
Game. (open access)

Game.

Patent for a "a game of skill, rather than a game of chance" (lines 11-12), albeit with elements of a game of chance, in the style of a carnival game. The game consists of a motorized, revolving model airplane and a circular arrangement of nets (one for each player); the airplane drops candy into the winning player's net.
Date: August 9, 1921
Creator: Auffurth, Erwin, Jr. & Hjerpe, Erick
System: The Portal to Texas History
Garment-Hanger. (open access)

Garment-Hanger.

Patent for a garment hanger "for the support of outer garments...and which will also embody a rack for shoes, the hanger being so constructed that it will occupy a minimum amount of space..." also "to support a considerable weight without any likelihood of sagging or breakage...that the greater the weight imposed thereon, the more firm will be the connection between these parts" (lines 11-15, 21-28). It also includes an illustration.
Date: August 9, 1921
Creator: Fulford, Marcus F.
System: The Portal to Texas History
Harrow (open access)

Harrow

Patent for new and useful improvements in Harrows or cultivators that can be set to any height and any degree.
Date: August 9, 1921
Creator: McConal, Wiliam
System: The Portal to Texas History
Internal Combustion Engine (open access)

Internal Combustion Engine

Patent for a improved Internal Combustion Engine. The improvement is the construction of the ignition of the internal combustion engine where the fuel in the compression chamber is ignited explosion of a different fuel of a more highly explosive nature.
Date: August 9, 1921
Creator: Simpson, Joseph Ryan.
System: The Portal to Texas History
Printing-Case (open access)

Printing-Case

Patent for a printing case which can hold a camera and other appliances for printing photographs. This printing case can also be compactly folded for easy carry and transportation.
Date: August 9, 1921
Creator: Kelly, Leo A.
System: The Portal to Texas History