Car-Coupling. (open access)

Car-Coupling.

Patent for a simple, practical, and reliable car-coupling with a side latch. It is "adapted for automatic connection in pairs, when two cars having the improvements are brought together on the same track, which will be capable of a ready release from the side of either coupled car, and also that will be adapted by its peculiar formation to receive support from one part of the improvements, when a coupled drawhead is partly detached from its connections to the car, and which if not so sustained might fall on the track, derail the car having the disabled coupling, and occasion the wreckage of said car and others of a train" (lines 14-27).
Date: January 15, 1895
Creator: Curry, Charles D.
System: The Portal to Texas History
Steam-Engine Governor. (open access)

Steam-Engine Governor.

Patent for a governor meant to be used with a double cylinder single-action steam engine of Devoissaud's invention. It has "a plate-like governor valve having suitable steam ports, is introduced within a vertical channel formed in the single head plat that closes one end of two steam cylinders, which are located in the same vertical plane on a bed-plate; said valve being directly attached to, and controlled by the governor, for the alternate introduction of steam directly through the cylinder head into the two cylinders, for the actuation of working parts of the steam engine" (lines 17-27).
Date: May 15, 1894
Creator: Devoissaud, John P.
System: The Portal to Texas History
Surgical Instrument. (open access)

Surgical Instrument.

Patent for a surgical instrument meant to help examine and treat the urethra and similar internal canals and passages. It can easily be cleaned and taken apart.
Date: January 15, 1895
Creator: Johnson, Emmet E.
System: The Portal to Texas History
Engineer's Graduating-Valve. (open access)

Engineer's Graduating-Valve.

Patent for an graduating valve that is used with air brake systems in railroad trains. The invention is meant to "produce a comparatively simple valve which is constructed in such a way that it is not likely to clog or get out of order, which is arranged so that successive regular reductions may be easily made in the pressure of air in the train service pipe, which is adapted to automatically act on the governor of the air pipe from pressure either above or below the main valve, which is constructed in such a way that if the train parts the pressure in the main reservoir will not be reduced, which generates excess pressure when the brake handle is in running position and acts through said excess pressure on the governor of the pump, which is not likely to leak, and which in general may be easily controlled and places the train brakes under the complete control of the engineer" (lines 11-29).
Date: August 15, 1893
Creator: Pelham, Walter O.
System: The Portal to Texas History
Sash-Fastener. (open access)

Sash-Fastener.

Patent for a "device which will lock the sashes of a window when they are closed and which will secure them in any desired adjustment," (lines 11-14) including instructions and illustrations.
Date: November 27, 1891
Creator: Taber, William M.
System: The Portal to Texas History
Quick-Speed Steam-Engine. (open access)

Quick-Speed Steam-Engine.

Patent for a simple, efficient, and high pressure quick speed steam-engine that maximizes power with the minimum amount of steam.
Date: May 15, 1894
Creator: Devoissaud, John P.
System: The Portal to Texas History
Acetylene Gas Generator. (open access)

Acetylene Gas Generator.

Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.
System: The Portal to Texas History
Design for a Pocket-Cuspidor. (open access)

Design for a Pocket-Cuspidor.

Design patent for a pocket-cuspidor with a bowl that has an approximately trunco-conical shape.
Date: August 15, 1899
Creator: Pollard, Philip D.
System: The Portal to Texas History