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Car-Coupling
Patent for "a single structure in which the airbrake pipes and steam-heating pipes will be coupled together when the cars are coupled, and in which the several parts will be very compactly arranged. A further object is to provide means whereby the cars may be uncoupled by the use of compressed air" (lines 12-19).
Date:
December 24, 1889
Creator:
Thomas, James Bryant
System:
The Portal to Texas History
Seed Planter.
Patent for a new and improved seed planter. This design "entirely do[es] away with the use of belts in the operation of the two dropping-cylinders, so that there will be no slipping of the belts upon the pulleys, and thus caus[ing] the seed[s] to be planted at different distances apart" (lines 22-27).
Date:
August 24, 1880
Creator:
Ward, Michael
System:
The Portal to Texas History