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6 Matching Results
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Combined Crutch and Chair.
Patent for a combined crutch and chair.
Date:
December 27, 1910
Creator:
Johnson, Samuel J.
System:
The Portal to Texas History
Car-Coupling
Patent for an improvement of car coupling design so as to be automatic so that it can couple and uncouple without needing a person to move from car to car that can be used alongside pin and link couplings (lines 11-16).
Date:
December 27, 1892
Creator:
Millican, Joel W.
System:
The Portal to Texas History
Rotary Engine
Patent for rotary engine, with improvements to rotary engine fluid pressure for motors or engines which pump fluids (such as water motor, water pump, oil pump, ammonia pump or compressor).
Date:
December 27, 1921
Creator:
Johnson, Louis V.
System:
The Portal to Texas History
Exhibitor.
Patent for a rotating exhibitor for putting things on display that is lighted with electric lights.
Date:
December 27, 1910
Creator:
Turnpaugh, Walter S.
System:
The Portal to Texas History
Rail-Bond.
Patent for a rail bond that connects rails electronically.
Date:
December 27, 1910
Creator:
Dunivant, Robert L.
System:
The Portal to Texas History
Mold for Making Fan-Belts.
Patent for a three-piece mold which allows for fan belts to be made using a single piece of rubber or composition material. The fan belts would primarily be used in motor vehicles.
Date:
December 27, 1921
Creator:
Hibbs, Cassell D.
System:
The Portal to Texas History