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Automatic Circuit-Control Apparatus
Patent for an automatic circuit control that uses electro-magnetics. The invention is primarily used for making or breaking circuits.
Date:
November 29, 1913
Creator:
Barron, Melvil
System:
The Portal to Texas History
Valve
Patent for a "blow-off valve" (line 16). Illustrations included
Date:
December 29, 1908
Creator:
Koch, Rudolph
System:
The Portal to Texas History
Air-Brake Mechanism.
Patent for "a new and useful air-brake mechanisms in relation to a pressure controller and distributer designed to perform the several independent and joint functions of a triple valve, a pressure-retaining valve, and a pressure relief or reducing valve."
Date:
May 29, 1900
Creator:
Dillander, John
System:
The Portal to Texas History
Knee-Pad.
Patent for knee pads that are "simple, inexpensive, and durable, and which is so constructed as to hold the knee of the user in an elevated position above the ground or other surface upon which the pad may be placed, thereby preventing the knee contacting with the ground or other surface and causing injury to the knee (lines 10-17).
Date:
December 29, 1897
Creator:
Rice, John T.
System:
The Portal to Texas History
Quilting-Frame.
Patent for a quilting frame "pivotally attached to a suspending-bar, whereby either part may be brought beneath the arm of the sewing-machine without requiring the shifting of the goods to bring a new part into position to be quilted until after the exposed portions of the two parts have been quilted." (Lines 24-30) Includes instructions and illustrations.
Date:
June 29, 1897
Creator:
Scoby, William E. & Spoonts, Joseph L.
System:
The Portal to Texas History
Thill-Tug.
Patent for a simple thill-tug that can be easily connected and disconnected, and is strong and durable. It does not use spring latches, and the device attaches to the harness.
Date:
January 29, 1895
Creator:
Carton, William
System:
The Portal to Texas History
Baling-Press
Patent for new and improved construction of the class of machine baling press.
Date:
October 29, 1889
Creator:
Forniraseo, Domaneco
System:
The Portal to Texas History