Antiskid Device (open access)

Antiskid Device

Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.
Date: February 17, 1920
Creator: Smith, Ross
System: The Portal to Texas History
Bit Cleaner (open access)

Bit Cleaner

Patent for a device that will clean drill bits used for wells without needing to remove them from the ground. Additional aspects of the patent cover fittings and attachments necessary for better operation of the drill bits and the cleaner.
Date: February 17, 1920
Creator: Robichaux, Sosthene
System: The Portal to Texas History
Compound Air-Compressor. (open access)

Compound Air-Compressor.

Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date: February 17, 1920
Creator: Jones, Oceola
System: The Portal to Texas History
Lock-Nut. (open access)

Lock-Nut.

Patent for a nut lock that secures two nuts of a pair within a tubular casing through opposing threading and rotation, where one nut is immobilized and the other remaining adjustable to meet situational need. Illustrations included.
Date: February 17, 1920
Creator: Greer, Benjamin J.
System: The Portal to Texas History
Tractor Turning Mechanism. (open access)

Tractor Turning Mechanism.

Patent for a tractor turning mechanism that will allow tractors to turn at any angle up to a right angle by locking one of the driving ground wheels into a pivot point for the other wheels of the tractor.
Date: February 17, 1920
Creator: Chenoweth, William B.
System: The Portal to Texas History
Trombone. (open access)

Trombone.

Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
System: The Portal to Texas History
Shovel-Plow. (open access)

Shovel-Plow.

Patent for the improvement of the shovel plow. The improvement of the shovel plow allows for the adjustment of the plow height as needed.
Date: February 17, 1920
Creator: Urban, John
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for the improvement of existing rail joints by creating a tie or bond at the end of rails to allow them to lock together. The improved rail joint will make the use of bolts and nuts, or other connectors unnecessary when connecting rails.
Date: February 17, 1920
Creator: Ryan, William M.
System: The Portal to Texas History
Railroad-Signal (open access)

Railroad-Signal

Patent for a railroad signal which will prevent train collisions at railway crossings, with illustrations.
Date: February 17, 1920
Creator: Humphrys, Sidney E.
System: The Portal to Texas History
Peanut-Planter (open access)

Peanut-Planter

Patent for an improved peanut planting machine with illustrations.
Date: February 17, 1920
Creator: Harnsberger, Joseph Adam
System: The Portal to Texas History
Signaling Device. (open access)

Signaling Device.

Patent for a signaling device for vehicles, also known as a turning signal. This invention is meant to allow the signaling device to be seen by the driver of the vehicle and the driver of a vehicle approaching the turning vehicle.
Date: February 17, 1920
Creator: Wetter, Ralph E.
System: The Portal to Texas History
Separator for Secondary Batteries. (open access)

Separator for Secondary Batteries.

Patent for separators, made of celluloid or similar material, designed to separate secondary or storage batteries in an efficient and affordable way.
Date: February 17, 1920
Creator: Luthy, Josesph O.
System: The Portal to Texas History