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4 Matching Results
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Spark-Extinguisher.
Patent for a spark extinguisher "to prevent the burning of buildings and other combustible matter by steam engines" (lines 15-17).
Date:
March 9, 1880
Creator:
Blewett, George L.
System:
The Portal to Texas History
Gas-Generating Machine.
Patent for "...an improved method of and means for generating hydrocarbon vapors for heating and lighting purposes; and it consists in the novel manner in which the process is carried out and in the novel construction and combination of parts comprising the generating apparatus..." (lines 18-24) including instructions and illustrations.
Date:
March 9, 1897
Creator:
Mitchell, Francis L.
System:
The Portal to Texas History
Car-Ventilator.
Patent for a railroad car ventilator, which supplies fresh air to the car and sends stale air out of the car. It also is equipped with an ice cooling system and a disinfectant spray system.
Date:
March 9, 1909
Creator:
Carroll, Samuel C.
System:
The Portal to Texas History
Churn.
Patent for improvements in churns, "specifically a churn disclosed in Patent No. 1268766, L. M. Payne, R. A. Thompson and L. P. Morris, June 4, 1918."
Date:
March 9, 1919
Creator:
Wilson, William W.
System:
The Portal to Texas History