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Furnace
Patent for "an improvement in furnaces, and more particularly to such as are employed for burning offal, refuse from slaughtering-houses" in which the furnace is surrounded by water, and any liquid inside the furnace can be expelled in the form of vapor (lines11-14).
Date:
January 27, 1891
Creator:
Hatcher, William Andrew
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved coupling for railroad cars. This design "consist[s] of a draw-head having a spring-actuated sliding piece projecting into the draw-head, with a shouldered end therein, and a hole adapted to register with the coupling-holes in the draw-head, a coupling-link having yielding slotted pieces pivoted at its ends above slots in the ends of the link, and a coupling-pin with reacting spring mounted in a frame having a winding-drum, and a rope connected with the coupling-pin, the latter projecting through and engaging the sliding piece and link" (lines 76-87).
Date:
July 24, 1888
Creator:
Griffith, William H.
System:
The Portal to Texas History
Wrench
Patent for a wrench. Illustration included.
Date:
November 6, 1906
Creator:
Land, Henry Clay
System:
The Portal to Texas History
Dynamo Electric Machine
Patent for Improvement of Dynamo-Electric Machines. The improvement turns electric energy into mechanical entry.
Date:
August 10, 1920
Creator:
Reynolds, William T. & Reynolds, Bruce A.
System:
The Portal to Texas History