A New Interferential Dilatometer (open access)

A New Interferential Dilatometer

Scientific paper issued by the Bureau of Mines over development of a dilatometer. The instrument is used in tests of thermal expansion. The methods are presented and discussed. This paper includes an illustration.
Date: February 28, 1920
Creator: Priest, Irwin G.
Object Type: Report
System: The UNT Digital Library
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
Object Type: Patent
System: The Portal to Texas History
Combination Swing and Couch. (open access)

Combination Swing and Couch.

Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date: February 10, 1920
Creator: McDevitt, Leslie I.
Object Type: Patent
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
Object Type: Patent
System: The Portal to Texas History
Automobile-Rack. (open access)

Automobile-Rack.

Patent for improved automobile racks that are elevated to accomplish the following tasks: removing paint from the automobile, and make the automobile more accessible during construction.
Date: February 10, 1920
Creator: Cleveland, David P.
Object Type: Patent
System: The Portal to Texas History
Automatic Train-Gate. (open access)

Automatic Train-Gate.

Patent for "new and useful improvements in automatic train gates" (lines 5-7) including illustrations.
Date: February 3, 1920
Creator: Ivanhoe, George. C.
Object Type: Patent
System: The Portal to Texas History
Automatic Trailing Device (open access)

Automatic Trailing Device

Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date: February 24, 1920
Creator: Sloan, Charles Lee
Object Type: Patent
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
Object Type: Patent
System: The Portal to Texas History
Boiler-Stand. (open access)

Boiler-Stand.

Patent for an improved boiler stand by creating space for air flow between the burner and the boiler to increase combustion.
Date: February 24, 1920
Creator: Fowles, Alfred T.
Object Type: Patent
System: The Portal to Texas History
Aeroplane. (open access)

Aeroplane.

Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.
Date: February 3, 1920
Creator: Cartwright, Andrew
Object Type: Patent
System: The Portal to Texas History
Building-Slab (open access)

Building-Slab

Patent for new invention that would improve in the construction of upright walls.
Date: February 11, 1920
Creator: Hanszen, Oscar A.
Object Type: Patent
System: The Portal to Texas History
Clamp (open access)

Clamp

Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date: February 24, 1920
Creator: Ferguson, William D.
Object Type: Patent
System: The Portal to Texas History
Anti-Agitating Device. (open access)

Anti-Agitating Device.

Patent for anti-agitating device, including two figures describing said device, with illustrations. Author describes improvements for liquid dispensers on previous anti-agitating devices by altering the cylinder duties during its performance.
Date: February 3, 1920
Creator: Catron, John J.
Object Type: Patent
System: The Portal to Texas History
Crossing for Railway-Tracks. (open access)

Crossing for Railway-Tracks.

Patent for incorporating durable gaps within railway-rails to improve performance, with illustrations.
Date: February 24, 1920
Creator: Thomas, Lester V.
Object Type: Patent
System: The Portal to Texas History
Clevis Attachment for Plows. (open access)

Clevis Attachment for Plows.

Patent for an agricultural plow attachment that allows for more precision concerning the measurement of depth of the plow point against different types of terrain/soil conditions.
Date: February 13, 1920
Creator: Wolter, Fred W.
Object Type: Patent
System: The Portal to Texas History
Patent for Extracting Liquid from Pulpous Material Machine (open access)

Patent for Extracting Liquid from Pulpous Material Machine

Patent for Extracting Liquid from Pulpous Material Machine that extracts oils and liquids from the remaining pulpous material from the process of grinding and cooking cotton. The main goal of this machine is to extract oil from cotton seed meal.
Date: February 10, 1920
Creator: Kinney, William L. & Cagle, Wiiliam E.
Object Type: Patent
System: The Portal to Texas History
Wagon Unloading Device (open access)

Wagon Unloading Device

Patent for "Improvements in Wagon-Unloading Devices" including illustrations.
Date: February 3, 1920
Creator: Ford, John Owen
Object Type: Patent
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.
Object Type: Patent
System: The Portal to Texas History
Well-Drilling Rig. (open access)

Well-Drilling Rig.

Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).
Date: February 3, 1920
Creator: Bradford, Robert M.
Object Type: Patent
System: The Portal to Texas History
Well-Drilling Device. (open access)

Well-Drilling Device.

Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date: February 10, 1920
Creator: Church, Walter Lee
Object Type: Patent
System: The Portal to Texas History
Window Shade (open access)

Window Shade

Patent for "Improvements in Window-Shades" (line 6) including illustrations.
Date: February 10, 1920
Creator: Johnson, Charles G.
Object Type: Patent
System: The Portal to Texas History
Improvements to Storage House Aerating System (open access)

Improvements to Storage House Aerating System

Patent for improvements to storage house aeration systems for agriculture and the storage of vegetables.
Date: February 2, 1920
Creator: Vaughan, Robert B. & Love, Ralph M.
Object Type: Patent
System: The Portal to Texas History
Tractor. (open access)

Tractor.

Patent for an improvement in tractors that allowed adjustment to the tread or allowed distance between traction elements.
Date: February 10, 1920
Creator: Franklin, Floyd P.
Object Type: Patent
System: The Portal to Texas History
Trap. (open access)

Trap.

Patent for a simple live trap suitable for use both on land and in water.
Date: February 10, 1920
Creator: Peavy, Josiah
Object Type: Patent
System: The Portal to Texas History