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7 Matching Results
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Compressor.
Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date:
April 19, 1910
Creator:
Mayhew, John Daugherty
System:
The Portal to Texas History
Axle-Box.
Patent for a simple, inexpensive, and durable wheel-axle box that is "adapted to contain a supply of lubricating material and constructed to feed the same continuously to the axle-spindle to prevent overheating, and furthermore, to provide means for preventing ingress of dust" (lines 9-14).
Date:
November 19, 1895
Creator:
Casto, Tony Lo
System:
The Portal to Texas History
Car Door Fastening.
Patent for a new and improved car-door fastening. This design "consists in a novel construction and arrangement of a staple, a hook-hasp, key, and a key-plate, whereby several advantages are obtained . . . for securing the sliding doors of box-cars and other railway-cars" (lines 8-14).
Date:
April 19, 1881
Creator:
Alexander, Francis Marion
System:
The Portal to Texas History
Type-Writing Machine.
Patent for a type-writing machine that has an improved variable line spacer. The simple and durable line spacer has the minimum number of parts and is easily adjustable to any distance.
Date:
June 19, 1894
Creator:
Hudson, John Horace
System:
The Portal to Texas History
Watch-Case Bow
Patent for improvements in fastenings for bows of watch-cases.
Date:
March 19, 1889
Creator:
Cooper, Jonathan H.
System:
The Portal to Texas History
Packing for Doors and Like Closures.
Patent for new packing for closures for air-tight and temperature-regulating containers (i.e. refrigerators), with illustrations included.
Date:
March 19, 1907
Creator:
Carter, William H.
System:
The Portal to Texas History
Roller Cotton-Press
Patent for a new improved Roller Cotton-Press. The "invention relates to machines for compressing cotton and other similar material into the form of cylindrical bales." (lines 15-18). Includes description and illustrations.
Date:
July 19, 1887
Creator:
Evans, Henry A.
System:
The Portal to Texas History