Resource Type
States
14 Matching Results
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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
Rock-Drill
Patent for a rock drill design for quick drilling.
Date:
August 16, 1921
Creator:
Alford, Allen
System:
The Portal to Texas History
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
Hoe.
Patent for a hoe with "a colter shank at the oval top, affording means whereby the hoe may clear itself from large branching weeds, which is frequently a trouble met with in using hoes having a shank in the center."
Date:
August 16, 1921
Creator:
Clark, James Robert.
System:
The Portal to Texas History
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
Fountain Brush.
Patent for the improvement of fountain brushes. The brush would be in the shape of a pencil which would stop ink or dye from spreading on fabric.
Date:
August 16, 1921
Creator:
Bates, William P.
System:
The Portal to Texas History
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
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
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
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
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
Oil-Burner.
Patent for oil burner that simultaneously ignites and vaporizes liquid fuel.
Date:
August 16, 1921
Creator:
Mills, Virgil H.
System:
The Portal to Texas History
Plaiting-Machine.
Patent for a machine that folds or plaits cloth in the desired style.
Date:
August 16, 1921
Creator:
Odle, Ophelia & Odle, Leo Estelle
System:
The Portal to Texas History
Bee-Shipping Cage
Patent for transferring bees to a different hive without injury and preventing bees from escaping. The bee-cage offers different ways to transfer the bees.
Date:
August 16, 1921
Creator:
Ault, Eugene B.
System:
The Portal to Texas History