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5 Matching Results
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Combination Harrow and Cultivator.
Patent for a combined harrow and cultivator that can easily change between the two. It consists of a beam with front and back removable tooth-seats, handles, adjusting holes in the beam, a perforated plate on the top and bottom sides of the beam, pins, and a wedge-shaped key between the bar and a slot in a tooth.
Date:
July 25, 1893
Creator:
West, Edward B.
System:
The Portal to Texas History
Improvement in Oscillating Steam-Engine
Patent for improvements to steam-engines that employ oscillating cylinders for the drive-shaft.
Date:
July 6, 1869
Creator:
Richer, F. C.
System:
The Portal to Texas History
Baling Press.
Patent for an invention composed of various tools used to compress bail hay and/or other similar materials. Nature and scope of invention are explained and illustrations are included.
Date:
July 31, 1917
Creator:
Preston, Cyrus
System:
The Portal to Texas History
Rotary Engine.
Patent for a rotary engine, which provides a high level of power from steam and is more durable than previous engines.
Date:
July 30, 1907
Creator:
Wright, William Lee Andrew
System:
The Portal to Texas History
Mole Trap.
Patent for a new and improved mole trap. This design "relates to mole-traps, and to that class of the same which are placed above the mole-hill and communicate with the hole therein, so that the passage of the mole through the latter will actuate the trap to impale the mole in the usual manner" (lines 9-14).
Date:
July 7, 1885
Creator:
Payne, David, Hinsley
System:
The Portal to Texas History