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43 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
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
Linting Machine.
Patent for a linting machine (Carver type) that contains an air pocket at the end of the passage to prevent cotton from clogging the machine.
Date:
August 10, 1920
Creator:
Woodrow, George N. & Bruce, Thomas D.
System:
The Portal to Texas History
Water-Level.
Patent for an instrument to determine a level at widely distant points or determining inclinations and which may be correctly read under conditions where a level cannot be held erect. Also known as hydrostatic leveling, this instrument is comprised of flexibly connected liquid containers that are spaced apart at certain distances.
Date:
August 17, 1920
Creator:
Kaspar, John & Beran, Rud F.
System:
The Portal to Texas History
Rail-Joint
Patent for an improved rail joint that doesn't need bolts.
Date:
August 17, 1920
Creator:
Ryan, George R. & Ryan, William M.
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
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
Well-Cleaner.
Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date:
August 6, 1920
Creator:
Bashara, Samuel F.
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
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
Tool Joint.
Patent for a screw-threaded tool joint used for drill pipes on rotary drilling rigs.
Date:
August 10, 1920
Creator:
Lyle, Henry Claude
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
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
Sod Cutting and Disintegrating Machine.
Patent for a sod cutting and disintegrating machine that has a wheel-supported frame, inclined elevator, plow attached to the elevator, front truck, and disintegrating rollers.
Date:
August 17, 1920
Creator:
Thompson, Robert L.
System:
The Portal to Texas History
Spring Wheel.
Patent for a spring wheel with a pneumatic tire that neither punctures nor becomes flat. The spring wheel construction has springs between the inner and outer rims.
Date:
August 10, 1920
Creator:
Horne, Henry M.
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