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113 Matching Results
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Adjustable Split Lock-Nut or Union.
Patent for an affordable and efficient coupling device for use "on valve rods of internal combustion engines, especially those used in automobiles and aeroplanes or on those motors or engines employing overhead valves and whereby the union or coupling may be readily and securely locked on a valve rod with sufficient resistance to withstand the strain of direct pressure" (lines 14-21).
Date:
August 17, 1920
Creator:
Dickinson, Harry E.
System:
The Portal to Texas History
Ant Trap
Patent for an ant trap designed as a ring-shaped trough and which allows for the drainage of rainwater through a pipe fitted with a porous plug. Both walls of the trough are capped with inward and downward curved flanges.
Date:
August 1, 1922
Creator:
Scrivner, Jefferson Davis
System:
The Portal to Texas History
Automatic Safety Target.
Patent for a target device for pistols and rifles which allows for the motion of the target being hit to move another target into view.
Date:
August 3, 1920
Creator:
Briggs, George F.
System:
The Portal to Texas History
Bed.
Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date:
August 17, 1920
Creator:
Hellweg, Rudolph F.
System:
The Portal to Texas History
Coating Apparatus and Mathod.
Patent for a new apparatus into which long objects such as pipes can be placed, dipped into coating material, and spun so that objects are coated evenly.
Date:
August 24, 1920
Creator:
Watrous, Edward L.
System:
The Portal to Texas History
Cuff-Link.
Patent for new and useful improvements in cuff links that do not separate from sleeves and help with any decoration.
Date:
August 17, 1920
Creator:
Hall, James L.
System:
The Portal to Texas History
Automatic Train-Stopping Mechanism.
Patent for an affordable and easily operable mechanical train stopper designed to be installed directly on a locomotive.
Date:
August 10, 1920
Creator:
Evans, Alva A.
System:
The Portal to Texas History
Apparatus for Separating or Concentrating Ores
Patent for improvements in apparatus for separating or concentrating ores through a flotation method.
Date:
August 31, 1920
Creator:
Cole, David
System:
The Portal to Texas History
Automobile-Signal.
Patent for a door-mounted automobile turn signal that swings out on an arm to appear at a right angle to the vehicle and is operated by the driver's knee or elbow. The signal is illuminated by an electric lamp and sounds the car horn when deployed.
Date:
August 31, 1920
Creator:
Carnes, Sam D.
System:
The Portal to Texas History
Binding Attachment for Baling-Presses.
Patent for bale binding devices that takes wire from spools and binds each bale and then twists the ends of the bale so they hold their shape.
Date:
August 3, 1920
Creator:
Leavitt, William H.
System:
The Portal to Texas History
Colter.
Patent for a Colter attachment for plows that can be adjusted to various angles and increases the efficiency of the plow.
Date:
August 31, 1920
Creator:
Dillon, Robert L.
System:
The Portal to Texas History
Farm-Gate
Patent for an improved hinge mounting for a gate to swing and to served as a stay or brace connecting a pair of posts supporting the gate. Also, a provision of a novel mounting and operating means for such a gate, including springs for raising the operating levers on the gate used to move the gate.
Date:
August 23, 1921
Creator:
Rawley, Fleming C.
System:
The Portal to Texas History
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.
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
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
Door Attachment.
Patent for a weather strip attachment for doors which would automatically extend from the bottom of the door to the floor when the door is in the closed position and retract to the bottom edge of the door when the door is opened.
Date:
August 2, 1921
Creator:
Swenson, Frank O.
System:
The Portal to Texas History
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
Rock-Drill
Patent for a rock drill design for quick drilling.
Date:
August 16, 1921
Creator:
Alford, Allen
System:
The Portal to Texas History
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
Door-Hook.
Patent for a low-cost door hook designed for securing screen doors in a closed position which may be operated from either side of the door.
Date:
August 30, 1921
Creator:
Randazzo, Lillian
System:
The Portal to Texas History
Apparatus for Separating Substances of Different Dielectric Capacities.
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.
System:
The Portal to Texas History
Street-Directory.
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, F.N.
System:
The Portal to Texas History
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
Culinary Utensil
Patent for a culinary utensil designed as a unique fork which can retrieve articles from a boiling pot without having to expose the hands to the steam.
Date:
August 2, 1921
Creator:
Brown, Elmer D.
System:
The Portal to Texas History