Language

Ant Trap (open access)

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. (open access)

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. (open access)

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
Automatic Train-Stopping Mechanism. (open access)

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 (open access)

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. (open access)

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. (open access)

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
Internal Combustion Engine (open access)

Internal Combustion Engine

Patent for a improved Internal Combustion Engine. The improvement is the construction of the ignition of the internal combustion engine where the fuel in the compression chamber is ignited explosion of a different fuel of a more highly explosive nature.
Date: August 9, 1921
Creator: Simpson, Joseph Ryan.
System: The Portal to Texas History
Linting Machine. (open access)

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
Well-Drilling Bit. (open access)

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
Water-Level. (open access)

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
Transmission-Gear (open access)

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. (open access)

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. (open access)

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 (open access)

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. (open access)

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
Pump Plunger. (open access)

Pump Plunger.

Patent for pump plungers usable in deep wells for either oil or water. It is designed to be used for long periods without wear and tear.
Date: August 8, 1922
Creator: Livergood, Gerald R.
System: The Portal to Texas History
Price-Tag Holder. (open access)

Price-Tag Holder.

Patent for "an improvement in price tag holders" (lines 9-10) such that the price tag holder is connected to a garment hanger, including one illustration.
Date: August 30, 1921
Creator: Newton, Andre Hutt
System: The Portal to Texas History
Tool-Joint (open access)

Tool-Joint

Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Date: August 2, 1921
Creator: Thomas, Avery H.
System: The Portal to Texas History
Tool Joint. (open access)

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. (open access)

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. (open access)

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. (open access)

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. (open access)

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