Sash-Balance. (open access)

Sash-Balance.

Patent for improvements in window-sash balances, in which the two sashes are connected, “so that they will not only balance but also either may be raised or lowered without affecting the other.” (Lines 17-20) Illustration is included.
Date: May 26, 1891
Creator: Christian, James F.
System: The Portal to Texas History
Burner (open access)

Burner

Patent for a hydrocarbon oil burner. Illustrations included.
Date: May 3, 1910
Creator: Butler, Albert C.
System: The Portal to Texas History
Convertible Neck Yoke and Swingletree (open access)

Convertible Neck Yoke and Swingletree

Patent for a convertible neck yoke and swingletree. Illustration included.
Date: May 24, 1904
Creator: Hall, Thomas I.
System: The Portal to Texas History
Baling Press (open access)

Baling Press

Patent for a baling press. Illustration included.
Date: May 3, 1904
Creator: Key, William C. & Frost, Harvey N.
System: The Portal to Texas History
Portable Liquid-Cooling Tank. (open access)

Portable Liquid-Cooling Tank.

Patent for a portable tank for transporting liquids, which has a compartment for ice to keep the liquids cool including instructions and illustrations.
Date: May 16, 1911
Creator: Ingram, Jonathan D.
System: The Portal to Texas History
Paper Clip (open access)

Paper Clip

Patent for a paper clip. Illustration included.
Date: May 10, 1910
Creator: Galbraith, David G. & Galbraith, Nannie L.
System: The Portal to Texas History
Mud-Drum for Boilers (open access)

Mud-Drum for Boilers

Patent for a mud drum for boilers to prevent the accumulation of sediment and mud in the water. Illustrations included.
Date: May 19, 1908
Creator: Stroope, Joseph
System: The Portal to Texas History
Elevator (open access)

Elevator

Patent for an elevator.
Date: May 12, 1903
Creator: Ham, James T.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a new and improved wrench, which is especially useful for machinists. The improvement to existing wrench technology is present in positions where a thin jaw wrench is necessary and in removing parts upon which an ordinary nut wrench, even thin jawed, would act.
Date: May 6, 1913
Creator: Seale, Jefferson, W.
System: The Portal to Texas History
Oil or Gas Cooking-Stove (open access)

Oil or Gas Cooking-Stove

Patent for a gas or oil cooking stove. The gas or oil cooking stove is designed to save fuel, maximize utilization of heat, and eliminate the smell of gas or oil in cooking.
Date: May 12, 1914
Creator: Seale, Jefferson W.
System: The Portal to Texas History
Gate (open access)

Gate

Patent for gates "suspended on rollers and mounted on a track."
Date: May 5, 1914
Creator: Butler, Joseph F.
System: The Portal to Texas History
Adjustable Friction-Grab for Fishing-Tools. (open access)

Adjustable Friction-Grab for Fishing-Tools.

Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.
System: The Portal to Texas History