Apparatus for Raising and Lowering Wagon Bodies. (open access)

Apparatus for Raising and Lowering Wagon Bodies.

Patent for a new and improved wagon jack. This design consists "[i]n a wagon body raiser, the combination of vertical supports, a lever pivotally supported therefrom between its ends and having a roller in one end, a shaft adapted to be secured to one end of the body, a cord having one end connected with the same end of the body as the shaft and passing over the roller and its opposite end attached to the shaft, and a cord attached to the opposite end of the body and to the adjacent end of the lever" (lines 69-78).
Date: December 9, 1890
Creator: Scott, Eugene Edward
System: The Portal to Texas History
Main Slide-Valve and Throttle-Valve for Steam-Engines. (open access)

Main Slide-Valve and Throttle-Valve for Steam-Engines.

Patent for a simple main slide-valve and throttle-valve for steam-engines. The throttle valve is a flat plat and slides in a channel between the valve seat and the cylinder head. The twin engine cylinders are horizontally placed at the same height as the throttle valve. The main slide valve "affords a complete and superior valve mechanism for a quick speed steam engine" (lines 29-30).
Date: December 4, 1894
Creator: Devoissaud, John P.
System: The Portal to Texas History
Stock-Car (open access)

Stock-Car

Patent for an improvement on stock cars to "enable the weight of the water-laden troughs to be overcome and the troughs elevated in position simultaneously through the entire length of the car; second, to regulate the movement of the water-troughs" (lines 16-20).
Date: December 23, 1890
Creator: Lazarus, Samuel
System: The Portal to Texas History
Nut-Lock. (open access)

Nut-Lock.

Patent for a simple, inexpensive, and effective nut-lock that can be easily installed and locks the nuts on rail joints into place and can be easily removed.
Date: December 12, 1893
Creator: Doane, Stephen Olin
System: The Portal to Texas History
Fire Kindler. (open access)

Fire Kindler.

Patent for a new fire-kindler which lists the composition of ingredients. Patent for "a new and improved fire-kindler can containing the composition" (lines 15-16) including instructions and illustrations. Patent for a new fire-kindler design, including illustrations.
Date: December 20, 1892
Creator: Rogers, Silas M. N.
System: The Portal to Texas History
Roller Press for Extracting Oil From Cotton Seed, & c. (open access)

Roller Press for Extracting Oil From Cotton Seed, & c.

Patent for a roller press for the extraction of oil from cotton and other seeds.
Date: December 7, 1897
Creator: Lelardoux, Pierre
System: The Portal to Texas History
Car-Brake. (open access)

Car-Brake.

Patent for improvements in car brakes, "wherein the ordinary brake-beams are dispensed with and wherein the several brake-shoe-carrying levers will be self-adjusting." (lines 8 - 11) Includes instructions and illustrations.
Date: August 17, 1891
Creator: Braun, Henry F.
System: The Portal to Texas History