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8 Matching Results
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Change-Speed Mechanism for Tractor-Truck Motor-Vehicles
Patent for a machine that can be used either as a truck for traveling over highways or as a tractor for farm work.
Date:
October 28, 1919
Creator:
Miller, William J.
System:
The Portal to Texas History
Building Construction.
Patent for "new and useful improvements in building construction" (lines 9-11), including illustrations.
Date:
September 28, 1920
Creator:
Laughlin, Edward A.
System:
The Portal to Texas History
Train-Pipe Coupling.
Patent for a train pipe coupling that holds tightly together.
Date:
March 28, 1911
Creator:
Moss, Dexter W. & Olschner, Clarence E.
System:
The Portal to Texas History
Mill-Carriage-Wheel Guard.
Patent for a new mill-carriage-wheel guard "to prevent obstruction falling on the wheels or on the [railroad] track, this guard also carries scrapers in front and in rear and on each side of the wheel, whereby the obstructions are scraped off the track." (Lines 23-28) This guard can be used with a wood-working machine carriages and/or rail.” Illustration is included.
Date:
April 28, 1891
Creator:
Zimmerman, Joseph W.
System:
The Portal to Texas History
Process of Making Aluminum Chlorid.
Patent for the process of making aluminum chlorid (chloride) wherein solid materials are preheated to alleviate heating supply issues during the process.
Date:
May 28, 1918
Creator:
King, George H. & Roberts, Gerald I.
System:
The Portal to Texas History
Match Box
Patent for form of single delivery match box. Illustrations included.
Date:
June 28, 1904
Creator:
Pevoto, Calvit F.
System:
The Portal to Texas History
Rotary Motor
Patent for a Rotary Motor. Illustrations included.
Date:
June 28, 1904
Creator:
Pattinson, James
System:
The Portal to Texas History
Refrigerator
Patent for a refrigerator. This design is for use with blocks of ice. Illustrations included.
Date:
December 28, 1909
Creator:
Mitchel, Elias Walter
System:
The Portal to Texas History