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103
Improvement in Railroad-Switches.
Patent for improvement in railroad-switches by “mounting a frog on a plate, and provided with pivoted rails or rail-sections, arranged for operation in connection with fixed rail-sections upon the plate, to form a continuity with either line of main rail, and connected below the plate by pivoted bars or levers, to secure a relative action or adjustment of the pivoted or movable rail-sections, whereby a very perfect and simple frog operating to prevent break in the main line or lines is obtained, and which is capable of being adjusted by passing trains in opposite directions of travel.” (Lines 5-18) Illustration is included.
Date:
July 16, 1872
Creator:
Fitzsimmons, Henry
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
Device for Controlling the Flow of Fluid from Wells
Patent for device controlling fluid flow from wells which allows for drawing off oil where oil and water are both present in a reservoir.
Date:
July 30, 1918
Creator:
Summerrow, Edward D.
System:
The Portal to Texas History
Device for Heating and Applying Coating Material
Patent for a device for heating and applying coating materials, and more particularly for applying asphalt to surfaces, which it is desirable to coat therewith.
Date:
July 4, 1916
Creator:
Seale, Elbert E.
System:
The Portal to Texas History
Display Rack
Patent for store window display racks which can be easily removed and altered in appearance, allowing for more unique showings of commercial goods.
Date:
July 14, 1914
Creator:
Adamson, John Seldon
System:
The Portal to Texas History
Cutter
Patent for a corn or feed cutter with adjustable blades.
Date:
July 16, 1912
Creator:
Currie, Malcolm M.
System:
The Portal to Texas History
Device for the Protection of Vessels.
Patent for a device that protects boats and consists of supporting plates, two of which are firmly secured to the side of the boat, springs between the supporting plates, and chains that limit the movement of supporting plates.
Date:
July 24, 1894
Creator:
Bailey, William Henry, Sr.
System:
The Portal to Texas History