Composition for Preserving Food (open access)

Composition for Preserving Food

Patent for "combustible compositions which, when ignited, produce a gas or gasses which have preservative and purifying effects upon various substances and surfaces or places exposed to the fumes. It is more especially designed, however, for preserving fruits, vegetables, meats, and other perishable articles." (lines 12-19).
Date: April 15, 1890
Creator: Radam, William
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
Date: December 15, 1896
Creator: Tiner, John F.
System: The Portal to Texas History
Square. (open access)

Square.

Patent for a square meant "to provide a simple and cheap steel square embodying also a level, an inclinometer, and mitrometer" (lines 13-15).
Date: September 15, 1896
Creator: Johns, John P.
System: The Portal to Texas History
Nail Driving Tool. (open access)

Nail Driving Tool.

Patent for a new and improved nail-driving tool. This design consists, "with the shell of the tool formed with recesses and a guide-groove . . . the driving-bar provided with notch, die, and roller, spline guided in the groove of the shell, and the returning-spring, of the levers having toes, the former of said levers bearing normally upon the roller, the spring secured to said shell, bearing by its ends upon the ends of the said levers, and the magazine obliquely attached to the shell, provided with an opening and a spring-closing device" (lines 32-43).
Date: July 15, 1890
Creator: Brady, William B.
System: The Portal to Texas History
Siphon-Pump for Oil-Cans. (open access)

Siphon-Pump for Oil-Cans.

Patent for a simple and inexpensive siphon meant to transfer oil from a container to another container without spilling the liquid. It can transfer a liquid from a reservoir to a receptacle and back again without spilling.
Date: August 15, 1893
Creator: Franklin, Edward A.
System: The Portal to Texas History
Fuel Produced From Lignite. (open access)

Fuel Produced From Lignite.

Patent for the process by which fuel is created from lignite coal.
Date: March 16, 1891
Creator: Edelmann, Albert
System: The Portal to Texas History
Culvert. (open access)

Culvert.

Patent for "a culvert which shall be so constructed that the jarring caused by the passing of trains or wagons will not impair the solidity of the culvert." (Lines 14-17) Includes instructions and illustrations.
Date: September 15, 1896
Creator: Parker, William Sink
System: The Portal to Texas History