Animal Trap (open access)

Animal Trap

Patent for an animal trap, particularly desgned for rodents and birds, which is able to trap animals without having to be manually reset each time. Illustrations included.
Date: January 19, 1909
Creator: Barron, Nathan J.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in a lever pivoted in the front of the top of the draw-head and provided at its outer end with an aperture, through which the coupling-pin is passed into the aperture in the draw-head, below which lever another lever is pivoted, hanging vertically across the front-opening of the draw-head, and provided at the upper part of its inner edge with a projection, so that when the coupling-link pushes the lower lever inward the upper lever and the pin are raised, and drop as soon as the link has passed into the draw-head" (lines 10-21).
Date: January 31, 1882
Creator: Griffin, James Lee
System: The Portal to Texas History
Indicator for Scales. (open access)

Indicator for Scales.

Patent for a new and improved indicator for scales. This design "consists in a weighted rocker and indicating-arm combined with a scale-beam for operation thereby . . . [it has] for [its] object to dispense with the slides heretofore used and provide for an automatic indication of weight" (lines 8-14).
Date: January 17, 1882
Creator: Fulcher, Valentine M.
System: The Portal to Texas History
Water-Elevator. (open access)

Water-Elevator.

Patent for an improvement in water elevators to raise and lower a pair of buckets, meant to be simple, inexpensive, and more efficient than other designs. In particular, it is meant "to move the buckets in either direction without necessitating the operator's changing his position with relation to the apparatus" (lines 19-22).
Date: January 1, 1901
Creator: Griffin, Walter R.; Thomas, Joseph E. & Griffin, Samuel D.
System: The Portal to Texas History
Watchmaker's Tool. (open access)

Watchmaker's Tool.

Patent for a watchmaking device that allows for the operator to hold the watch wheel in one hand "while the instrument is fastened upon the roller by the other" (lines 20-22). The invention also has a centering device and auxiliary appliances that make all movements by the extractor accurate and even. This device does not injure the staff or pivot.
Date: January 16, 1894
Creator: Bricker, John A.
System: The Portal to Texas History
Plow-Fender (open access)

Plow-Fender

Patent for a plow fender that would be more gentle with new or fragile plants by moving them to the side, and would be easily adaptable to all kinds of plows while also being cost efficient to install and durable.
Date: January 17, 1893
Creator: Ellington, Alvey Marcellous
System: The Portal to Texas History