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12 Matching Results
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12
Attachment for Coffee-Roasters.
Patent for an attachment to a coffee-roaster that assists in separating coffee beans from foreign matter.
Date:
December 25, 1917
Creator:
Liberto, Samuel
System:
The Portal to Texas History
Clothes Pin or Clamp
Patent for a more durable metal clothes pin.
Date:
November 25, 1919
Creator:
Townley, Percy
System:
The Portal to Texas History
Insulator.
Patent for an insulator for water pipes that conducts away electric current to be utilized elsewhere.
Date:
December 25, 1917
Creator:
Stone, Oscar Otto
System:
The Portal to Texas History
Tire Construction
Patent for an improvement to rubber tires. The inner tube is enclosed within a thick detachable shoe to withstand shocks and jars, and also uses side guards to protect from dirt accumulation.
Date:
November 25, 1919
Creator:
Luck, John J.
System:
The Portal to Texas History
Switch Operating Mechanism for Electric Railways.
Patent for a switch-operating mechanism for electric railways that uses a movable display band to control movement through an electrically operated switch. The arrival of the railway car or street car at a point adjacent to the switch automatically throws the switch to automatically shunt the car from one line to another without a motorman or switchman's intervention.
Date:
May 25, 1915
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Machine for Shelling Nuts.
Patent for a machine for shelling pecans that keeps the nut meat intact.
Date:
April 25, 1911
Creator:
Roach, Walter Albert Joseph
System:
The Portal to Texas History
Lineman's Chair
Patent for a chair which allows a lineman to connect cables and lines more easily. Illustrations included.
Date:
October 25, 1910
Creator:
Davis, John W.
System:
The Portal to Texas History
Paper File and Binder.
Patent for a paper file and binder, which is expandable for varying amounts of pages and holds the papers firmly in the binder, but also allows easy removal.
Date:
January 25, 1910
Creator:
Springall, Walter A.
System:
The Portal to Texas History
Spark-Arrester
Patent for a spark arrester designed to extinguish the glowing cinders of smoke stacks. Illustrations included.
Date:
October 25, 1910
Creator:
Goodrich, Luman L., Jr.
System:
The Portal to Texas History
Roof-Jack
Patent for a roof jack that will hold up scaffolding.
Date:
February 25, 1913
Creator:
Darnall, Benjamin P.
System:
The Portal to Texas History
Revolving Case and Account Register
Patent for revolving case and cash register. This device is designed as an account system and provides customers with and account book for keeping records. Illustrations included.
Date:
June 25, 1912
Creator:
Trenton, Albert E.
System:
The Portal to Texas History
Door Operating Means
Patent for a mechanism to operate jail doors. The mechanism is "operated with a single movement of the hand to open and close a plurality of doors simultaneously" (14-19). Illustrations included.
Date:
June 25, 1912
Creator:
Youngblood, David Franklin
System:
The Portal to Texas History