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Pipe-Perforator
Patent for pipe-perforator made for well screens. This perforator is designed to provide staggered rows of perforations.
Date:
November 29, 1921
Creator:
Dunsworth, George W.
System:
The Portal to Texas History
Pneumatic Tire
Patent for pneumatic tire (for use on motor vehicle wheels) with application to inner tubes that are employed within the outer casing of tire. Tire provides self-sealing inner tube for piercings or punctures.
Date:
November 29, 1921
Creator:
Allyn, Harley H.
System:
The Portal to Texas History
Attachment For Internal-Combustion Motors
Patent for improvements in attachments for internal- combustion motors. The invention is about new and useful improvements to a specific attachment. The two stated objectives are to provide a device adapted for application to the intake pipe on an internal combustion motor and to provide a device which may be locked in a closed position, thereby preventing theft.
Date:
March 29, 1921
Creator:
Thomas, James Clarence
System:
The Portal to Texas History
Cable-Clamp.
Patent for improved cable-clamps for oil drilling and water wells, such that the gripping member will accommodate a variety of cable sizes.
Date:
March 29, 1921
Creator:
Lacy, Benjamin B.
System:
The Portal to Texas History
Lubricator.
Patent for new and improved lubricator. The invention is connected to lubricators used in earth boring drills for deep well drilling.
Date:
March 29, 1921
Creator:
Scott, Floyd L.
System:
The Portal to Texas History
Device for Unscrewing and Withdrawing Pipe.
Patent for a device for unscrewing and withdrawing pipe from wells, mines, or other similar uses. This tool is attached at the end of a drill stem and threaded in the ordinary right hand direction to unscrew and withdraw.
Date:
July 29, 1919
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Drilling Apparatus
Patent for a drilling apparatus able to simultaneously bore into objects and rearm itself.
Date:
April 29, 1919
Creator:
Layne, Mahlon E.
System:
The Portal to Texas History
Power-Transmitting Mechanism
Patent for improvements in a power transmitting mechanism.
Date:
April 29, 1919
Creator:
Smith, Robert W. J.
System:
The Portal to Texas History
Method of and Apparatus for Earth-Boring
Patent for earth-boring apparatus.
Date:
October 29, 1918
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Rotary Disk Drill
Patent for rotary disk drills with an illustration included. This drill is meant to be "efficient and strong and so arranged as to be inexpensive of manufacture and easily kept in serviceable condition." (lines 18-23)
Date:
May 29, 1917
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Silo.
Patent for a reinforced concrete silo, including specifications and illustrations.
Date:
May 29, 1917
Creator:
Abbett, Edgar J.
System:
The Portal to Texas History
Smoothing-Drag.
Patent for useful improvements to smoothing-drags which are "designed for the purpose of smoothing roads".
Date:
May 29, 1917
Creator:
Parker, William H.
System:
The Portal to Texas History
Brake for Marine Vessels
Patent for Brake for Marine Vessels
Date:
August 29, 1916
Creator:
Harriss, Wade. H
System:
The Portal to Texas History
Car Journal-Box.
Patent for "new and useful improvements in car journal boxes, and more particularly to the box in which the journal of the axle of the ordinary railway car has a bearing." (lines 8-12)
Date:
August 29, 1916
Creator:
Law, Charles R.
System:
The Portal to Texas History
Vehicle-Wheel
Patent for an improvement to the general construction of the wheel in order to make it easier to assemble and disassemble. The improvement also is intended to make the wheel cheaper and easier to manufacture.
Date:
February 29, 1916
Creator:
Downing, Otto P.
System:
The Portal to Texas History
Air-Lift for Elevating Liquids.
Patent for a pneumatic lift that maintains the air pressure needed to effectively move liquid through a pipe.
Date:
June 29, 1915
Creator:
Andrews, Benjamin
System:
The Portal to Texas History
Well-Strainer
Patent for a well strainer made of sheet metal.
Date:
August 29, 1911
Creator:
Layne, Mahlon E.
System:
The Portal to Texas History
Saw Attachment
Patent for a saw attachment for cutting bevels or rafters for roofs. Illustrations included.
Date:
November 29, 1910
Creator:
Newton, Charles W.
System:
The Portal to Texas History
Weighing and Filling Machine
Patent for a weighing and filling machine. Illustrations included.
Date:
November 29, 1910
Creator:
Dunkerly, Harry
System:
The Portal to Texas History
Bolt-Jack
Patent for a bolt jack with which bolts may be pulled without bending. Illustrations included.
Date:
March 29, 1910
Creator:
Smith, Henry H.
System:
The Portal to Texas History
Combined Tie-Plate and Rail Anticreeper
Patent for a railroad tie plate designed to remained locked to the base of the rail and to prevent dislocation of the base. Illustrations included.
Date:
March 29, 1910
Creator:
Clarke, Marcus S. & Adreon, Edward L., Jr.
System:
The Portal to Texas History
Hopper-Scale
Patent for a hopper scale for weighing grain, flour, meal, etc. Illustrations included.
Date:
March 29, 1910
Creator:
Dunkerly, Harry
System:
The Portal to Texas History
Plow
Patent for a plow. Illustrations included.
Date:
March 29, 1910
Creator:
Foltin, Frank
System:
The Portal to Texas History
Water-Heater
Patent for a water heater operated by heating pipes and coils. Illustrations included.
Date:
December 29, 1908
Creator:
Wood, Charles A.
System:
The Portal to Texas History