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Filing Cabinet
Patent for filing cabinet designed to accommodate blue prints and large papers.
Date:
August 30, 1921
Creator:
Southwell, Charles R.
System:
The Portal to Texas History
Rotary Plowshare
Patent for rotary plowshare that allows for improvements in plows. This detachable element rotates as it moves within the earth, pulverizing and disintegrating it while doing so. This rotary plowshare will accelerate cultivation and provide cost savings in time and labor.
Date:
August 30, 1921
Creator:
Billingsley, Rennie E.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a spring cushioned tire. The springs are positioned between the wheel ferry and the tread.
Date:
August 30, 1921
Creator:
Allan, William N.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for improving vehicular tires by making them more durable for heavier vehicular use.
Date:
August 30, 1921
Creator:
Allan, William N.
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
Attachment for T-Stands
Patent for improvement of T stands, which includes a vertical rod that makes attachment and removal easier.
Date:
August 2, 1921
Creator:
Adamson, John Selden
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
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
Roller-Distributor.
Patent for the invention of a roller distributor, or roller cam, that can "provide novel means whereby friction will be reduced" (lines 12-13) through the use of "a novel spring means being employed" (lines 13-14) in certain affordable, widely used vehicles.
Date:
August 17, 1920
Creator:
Lopez, Bruno
System:
The Portal to Texas History
Steering-Adjuster for Automobiles.
Patent for an automatic adjuster for the steering gear of a Ford automobile, for "attachment to the steering knuckle arms and the front radius yoke" (lines 12-13), improving wheel alignment and tension and reducing "wabbling movement" (line 46).
Date:
August 10, 1920
Creator:
Moulder, Duncan
System:
The Portal to Texas History
Transmission-Gear
Patent for improvements in motor vehicle transmissions in which all gears mesh at one time as opposed to being shifted and are "obtained by clutching different selected drive gears to the drive shaft of the transmission." (lines 18-20)
Date:
August 3, 1920
Creator:
Downie, James H.
System:
The Portal to Texas History
Shade-Bracket
Patent for shade-brackets which connects window shades or blinds to a wall or ceiling
Date:
August 26, 1919
Creator:
Overman, Benjamin Franklin
System:
The Portal to Texas History
Advertising-Sign.
Patent for an advertisement sign with a translucent display band that illuminates different sections of letters, numbers, or figures, in various colors, giving the appearance of animation.
Date:
August 5, 1919
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Advertising-Sign
Patent for large outdoor advertising sign that is inexpensive to illuminate but still catches attention by providing the illusion of movement.
Date:
August 20, 1918
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Silo.
Patent for a feed storage building that allows silage to be discharged from bottom, removing the opportunity for air and spoilage organisms to affect remaining feed when silage is removed. A screw- or auger-like conveying device moves feed downward and eliminates the need for multiple points of door or window access in upper portions of the silo.
Date:
August 13, 1918
Creator:
Holmgreen, Julius H.
System:
The Portal to Texas History
Trailer.
Patent for "...an improved construction and arrangement of trailers and has for an object that provision of means which will allow as easy turning movement where a number of trailers are connected while admitting of strain between the various trailers, whereby they are propelled properly around a curve." (lines 5-15) including illustrations.
Date:
August 28, 1917
Creator:
Watkins, Leigh
System:
The Portal to Texas History
Automatic Railway-Switch.
Patent for new and useful Improvements in Automatic Railway-Switches, "particularly to automatic railway switches for use in street railways or steam railways" (lines 13-15), including instructions and illustrations.
Date:
August 21, 1917
Creator:
Eisenberg, Louis
System:
The Portal to Texas History
Traffic-Signal.
Patent for a traffic signal apparatus for installation in automobiles, including illustrations.
Date:
August 21, 1917
Creator:
Valdes, Salvador M.
System:
The Portal to Texas History
Cotton Tramper and Baler.
Patent for an improved cotton tramper and baler that can more efficiently compress cotton into bales that are convenient for handling and shipping.
Date:
August 7, 1917
Creator:
Crowell, Pearl K.
System:
The Portal to Texas History
Plastic Composition.
Patent for a plastic composition that lasts indefinitely, especially for coffins or caskets.
Date:
August 29, 1916
Creator:
Stone, Oscar Ottoe
System:
The Portal to Texas History
Camera.
Patent for "means for accurately focusing the main or photographic lens without relying upon the scale; to provide means for determining the full extent of the view to be photographed; and to provide for seeing the image upon a ground glass up to the moment of exposure." (lines 10-16)
Date:
August 15, 1916
Creator:
Overman, Charles Joseph
System:
The Portal to Texas History
Frame Construction for Bicycles, Motor-cycles, and the like.
Patent for a spring connection in the motorcycle frame that will work as necessary while providing a cleaner and more appealing appearance.
Date:
August 8, 1916
Creator:
White, Edward Young
System:
The Portal to Texas History
Flash-Light
Patent for flashlights to provide certain new and useful improvements designed and adapted for use in the handles of umbrellas, canes, and the like. The invention comprises a metallic tube or sleeve adapted to be inserted into a bore of an umbrella handle or sleeve having an enlargement in which a bulb carrier is mounted and over the end of the lens. The configuration will not interfere with the free use of the handle. There is a special construction of the circuit closer to the metallic sleeve and one battery being held within and insulated from the metallic sleeve.
Date:
August 24, 1915
Creator:
Matthies, Gustav & Rehberg Jr., August
System:
The Portal to Texas History