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Wind Engine.

Description: Patent for a new and improved wind engine. This design "relates to an improvement in wind-engines, in which a vertical circular frame having a wind-wheel is covered to the half by a hemispherical roof supported by posts" (lines 8-12).
Date: February 2, 1886
Creator: Serdinko, John
Partner: UNT Libraries Government Documents Department

Steam Engine.

Description: Patent for a new and improved steam-engine. This design "relates to certain improvements in compound steam-engines; and it has for its objects to lessen friction and provide for the effective working of such engines" (lines 8-11).
Date: September 23, 1884
Creator: Catlin, Eli
Partner: UNT Libraries Government Documents Department

Rotary Steam Engine.

Description: Patent for a new and improved rotary steam engine. This design "first, provide[s] a novel form of valve for regulating the induction and eduction of steam to and from the cylinder; second, [it] provide[s] novel devices for reversing the movements of the rotating pistons; and, third, [it] provide[s] novel combinations of the parts of which the engine is composed"
Date: July 19, 1881
Creator: Cross, David L.
Partner: UNT Libraries Government Documents Department

Rotary-Engine.

Description: Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date: January 20, 1880
Creator: Adams, James Ansley
Partner: UNT Libraries Government Documents Department

Steam-Engine.

Description: Patent for "steam-engines of the reciprocating type, the purpose being to simplify the construction, reduce the number of working parts, economize in fuel, and to utilize the steam so as to obtain a maximum percentage of power therefrom." (line 8-13) instructions and illustrations included.
Date: February 13, 1906
Creator: Murphy, Joseph F.
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for rotary engine "of simple and compact construction, in which the pressure and expansive force of the steam or other actuating fluid may be utilized to the fullest advantage" (lines 10-13), with illustrations.
Date: June 5, 1906
Creator: Cagle, Carter M.
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a rotary engine, which can be powered with a variety of different power sources and is more efficient and durable than previous ones.
Date: March 31, 1908
Creator: Schaefer, Herbert Clyde
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a rotary steam engine, which allows the piston to move more freely in the engine.
Date: September 17, 1907
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Rotary Steam-Engine.

Description: Patent for an invention that "relates to rotary engines in general, and more particularly to that class wherein a piston is disposed eccentric to the cylinder and is provided with radially-movable heads disposed to travel against the inner periphery of the cylinder and receive the steam-pressure, the object of the invention being to provide a simple and efficient construction which will develop a high speed with a minimum consumption of steam" (lines 12-21). Illustrations are included.
Date: March 12, 1901
Creator: Hays, James T. & Wilson, John W.
Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for a valve for rotary steam engines.
Date: November 26, 1912
Creator: Faulkner, Thomas F.
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for certain new and useful improvements in rotary engines, including instructions and illustrations.
Date: May 9, 1898
Creator: Mason, William R.
Partner: UNT Libraries Government Documents Department

Mechanical Power.

Description: Patent for a new and improved engine. This design "relates to mechanical powers, the object being to combine with an ordinary tread-wheel mechanical advices adapted to be operated by horse-power to revolve said wheel. The invention consists in the features of construction and combination of parts" (lines 9-14).
Date: July 10, 1883
Creator: Perrin, William J.
Partner: UNT Libraries Government Documents Department