Adjustable Friction-Grab for Fishing-Tools. (open access)

Adjustable Friction-Grab for Fishing-Tools.

Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.
System: The Portal to Texas History
Amusement Device. (open access)

Amusement Device.

Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date: May 24, 1921
Creator: Lindamood, Roy S.
System: The Portal to Texas History
Automatic Air and Gas Relief Valve for Oil-Distributing Systems. (open access)

Automatic Air and Gas Relief Valve for Oil-Distributing Systems.

Patent for an air and gas relief valve for oil piping systems that improves upon the need for pumps to get rid of the accumulation of air and gas before pumping oil, with illustrations.
Date: May 24, 1921
Creator: Mobley, Henry Grady
System: The Portal to Texas History
Condenser for Cotton-Presses. (open access)

Condenser for Cotton-Presses.

Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.
System: The Portal to Texas History
Coupling. (open access)

Coupling.

Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date: May 24, 1921
Creator: Speece, Russell. W.
System: The Portal to Texas History
Hydraulic Swivel. (open access)

Hydraulic Swivel.

Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date: May 24, 1921
Creator: King, Walter E.
System: The Portal to Texas History
Metal-Coating Composition. (open access)

Metal-Coating Composition.

Patent for a metal coating composition to form a protective coating on metals and steel to prevent rust and corrosion.
Date: May 24, 1921
Creator: Ethridge, Thomas Jefferson
System: The Portal to Texas History
Non-Skid Device (open access)

Non-Skid Device

Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Date: May 24, 1921
Creator: Williams, Harry S.
System: The Portal to Texas History
Sample-Taking Device. (open access)

Sample-Taking Device.

Patent for a sample-taking device to be used in well-drilling processes, which is unique in its simple construction, low manufacturing costs, and ease of use.
Date: May 24, 1921
Creator: Christian, Walton G.
System: The Portal to Texas History
Tractor. (open access)

Tractor.

Patent for a tractor in which the placement of the power source reduces dead weight and provides a low center of gravity, thereby increasing stability.
Date: May 24, 1921
Creator: Martin, John J.
System: The Portal to Texas History
Wire Fabric (open access)

Wire Fabric

Patent for an improvement on wire fabrics for multiple usages. Designed to be used without external fasteners, which in turn increase the durability of the wire.
Date: May 24, 1920
Creator: Baker, William E.
System: The Portal to Texas History
Adjustable Trace Clip (open access)

Adjustable Trace Clip

Patent for Adjustable Trace Clip. "The invention relates to an adjustable trace clip, and has for its primary object to provide a clip of this character in which the connecting strap between the back and belly bands may be adjusted with relation to the trace so as to permit the back band to properly fit the animal and also allow the longitudinal adjustment of the trace" (lines 9-16).
Date: May 24, 1912
Creator: Bradfute, Benjamine F.
System: The Portal to Texas History
Advertising Chair (open access)

Advertising Chair

Patent for a rocking chair for displaying advertisements. Illustrations included.
Date: May 24, 1910
Creator: Biehl, Antonio
System: The Portal to Texas History
Crude-Oil Burner. (open access)

Crude-Oil Burner.

Patent for a crude oil burner for stoves, which will convert most of the oil put into the stove into gas to provide better heating of the stove.
Date: May 24, 1910
Creator: Bass, Robert E.
System: The Portal to Texas History
Electric Sign. (open access)

Electric Sign.

Patent for an electric sign, which lights up each letter individually and turns them all off at the same time after being on a short while.
Date: May 24, 1910
Creator: Miller, Leonard
System: The Portal to Texas History
Front Truck for Planters &c. (open access)

Front Truck for Planters &c.

Patent for a front truck for planters, which can be used for steering the machine.
Date: May 24, 1910
Creator: Brim, Isaac D.
System: The Portal to Texas History
Mop-Wringer. (open access)

Mop-Wringer.

Patent for a mop wringer inside a bucket, which is permanently attached below the mouth of the bucket and still allows for buckets to be stacked for storage.
Date: May 24, 1910
Creator: Atkin, Samuel Thatcher
System: The Portal to Texas History
Piano-Hammer. (open access)

Piano-Hammer.

Patent for a piano hammer, which has a strip of striking material that can be moved over to a new section when one section wears out, to increase the life of the hammer.
Date: May 24, 1910
Creator: Young, Henry E.
System: The Portal to Texas History
Roller-Drill (open access)

Roller-Drill

Patent for a roller drill for boring holes into rocks which is stronger than other roller drills and is constructed differently than his previous patent for a roller drill.
Date: May 24, 1910
Creator: Hughes, Howard R.
System: The Portal to Texas History
Convertible Neck Yoke and Swingletree (open access)

Convertible Neck Yoke and Swingletree

Patent for a convertible neck yoke and swingletree. Illustration included.
Date: May 24, 1904
Creator: Hall, Thomas I.
System: The Portal to Texas History
Cotton Elevator and Gin Feeder (open access)

Cotton Elevator and Gin Feeder

Patent for a cotton elevator and gin feeder. Illustration included.
Date: May 24, 1904
Creator: Sory, Benjamin D.
System: The Portal to Texas History
Cotton Picker (open access)

Cotton Picker

Patent for a cotton picker. This invention consists is a "pneumatic apparatus for conveying cotton when picked from the plant, and comprises a suction-fan and casing therefor, which latter has pipes and through which air is drawn" (lines 15-19). Illustration included.
Date: May 24, 1904
Creator: Bennie, William
System: The Portal to Texas History
Fence Post (open access)

Fence Post

Patent for a fence post. Illustrations included.
Date: May 24, 1904
Creator: Witt, Samuel
System: The Portal to Texas History
Harrow or Cultivator (open access)

Harrow or Cultivator

Patent for a harrow or cultivator. Illustrations included.
Date: May 24, 1904
Creator: Cutter, Oliver C.
System: The Portal to Texas History