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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
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
Crank.
Patent for automobile attachments where the motor can be cranked to start without danger to the operator from an engine back-fire.
Date:
August 31, 1920
Creator:
Gilley, Zachriah E.
System:
The Portal to Texas History
Cultivator Attachment
Patent for a device that can be easily attached to riding cultivators.
Date:
August 31, 1920
Creator:
Starch, Thomas
System:
The Portal to Texas History
Dental Impression-Tray.
Patent for improvements in dental impression trays that is adaptable for when there is only one or a partial set of teeth. There is a separate, smaller dental impression tray that is easily accessible and can be adapted to take impressions of one tooth or partial teeth.
Date:
August 31, 1920
Creator:
Littlejohn, Thomas F.
System:
The Portal to Texas History
Dirigible Headlight Mechanism.
Patent for improvements in headlights in which the headlights can be adjusted more easily, the headlights can be more readily applied to the automobile, and to provide new connected for the devices.
Date:
August 31, 1920
Creator:
Meeks, Mack O.
System:
The Portal to Texas History
Fire-Engine.
Patent for "an apparatus for extinguishing the fire in oil wells and the principal object of the invention is the provide means for creating a suction at the mouth of the well for extinguishing the fire."
Date:
August 31, 1920
Creator:
Smith, Paul E.
System:
The Portal to Texas History
General-Delivery Post-Office Cabinet.
Patent for a postal mail cabinet in which the arrangement of the compartments can be adjusted and allow for consideration of both the surname and given name of the recipient.
Date:
August 31, 1920
Creator:
Conine, James B.
System:
The Portal to Texas History
Tire-Casing.
Patent for a new type of puncture-proof tire casing.
Date:
August 31, 1920
Creator:
Anderson, Arthur V. & Morgan, Alfred M.
System:
The Portal to Texas History
Trailer.
Patent for trailers for attachment to trucks that is strong and compact and will not be distorted by the turning of the trailer relative to the truck.
Date:
August 31, 1920
Creator:
Feigelson, Alexander
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
Hose Reel
Patent for a hose reel that makes water easily available to the people in a building that has caught fire and is more easily maneuverable.
Date:
August 24, 1920
Creator:
Hamner, Edward M.
System:
The Portal to Texas History
Oil-Burner.
Patent introduces the inventor's specific improvements to oil-burning stoves. The air and oil are fed into the chamber of the stove and thoroughly mixed before burning.
Date:
August 24, 1920
Creator:
Beckman, William
System:
The Portal to Texas History
Pusher Attachment for Tractors.
Patent for an improved tractor attachment that is efficient to operate. The attachment can be fixated to connect both traditional tractors and grain headers.
Date:
August 24, 1920
Creator:
Records, Paul A.
System:
The Portal to Texas History
Railroad-Bed and Rail-Support.
Patent for increased construction and durability of railway beds and their supports. The new design allows for rail supports to be removed and replaced without disrupting the road bed portion.
Date:
August 24, 1920
Creator:
Usher, George S.
System:
The Portal to Texas History
Shaft Bearing.
Patent for Improvements in Shaft Bearing. This bearing shaft is used to withstand heavy thrusts.
Date:
August 24, 1920
Creator:
Ball, Authur T.
System:
The Portal to Texas History
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
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
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
Dental Handpiece.
Patent for an improvement on a dental handpiece that is made of fewer parts and is cheaper to make. It makes insertion and removal of the drill easier, and keeps the drill in place more securely.
Date:
August 17, 1920
Creator:
Graves, Robert E.
System:
The Portal to Texas History
Electrical Testing Device.
Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date:
August 17, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Electrical Testing Device
Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date:
August 17, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Hand Harvester.
Patent for a hand harvester that contains a plate and cutter to be used for harvesting corn and maize with more ease.
Date:
August 17, 1920
Creator:
Taylor, Joseph S.
System:
The Portal to Texas History