Ant-Trap (open access)

Ant-Trap

Patent for a trap for ants and other burrowing insects which works at the site of the ant-hill or burrow.
Date: April 13, 1915
Creator: Cox, Samuel L.
System: The Portal to Texas History
Weevil-Exterminator (open access)

Weevil-Exterminator

Patent for a new and useful improvement in weevil exterminators that provides a comparatively simple and effective apparatus for removing boll weevils from cotton plants. It also removes the injured or affect leaves and fruit that have been attacked by the boll weevil so that further injury to the plants may be prevented, and at the same time gather from the ground at the roots of the rows of cotton plants the leaves and rubbish detached from the plants.
Date: December 13, 1921
Creator: Roe, Charles C.
System: The Portal to Texas History
Twine-Cutter. (open access)

Twine-Cutter.

Patent for improvements in rope-cutters by designing a “cutter having a slotted bracket with a lateral extension or bearing that has a longitudinal slot and a stop,” with a “combination of a lever-handle having a projecting knife-blade, registering with the slot in the bearing.” (Lines 81-86) This enable the rope to be cut in a single operation without sever the fibers. (Lines 74-76) Illustration is included.
Date: October 13, 1891
Creator: Maulden, Chester Doctor
System: The Portal to Texas History
Self-Soaping Washboard. (open access)

Self-Soaping Washboard.

Patent for self-soaping washboards to reduce the amount of soap wasted.
Date: April 13, 1915
Creator: Kennedy, William J.
System: The Portal to Texas History
Rotary Engine (open access)

Rotary Engine

Patent for rotary engine. This invention "is to provide means whereby the steam supply from the boiler can be controlled. Illustration included.
Date: September 13, 1910
Creator: Frazer, Terry H. & Vanlandingham, William W.
System: The Portal to Texas History
Design for an Agricultural Hoeing-Wheel. (open access)

Design for an Agricultural Hoeing-Wheel.

Design patent for a hoeing wheel that has a circular body having a plurality of flat arms that are regularly spaced.
Date: September 13, 1898
Creator: McGuire, John A. & Williams, Richard S.
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for improvements to cotton-choppers inculding illustrations.
Date: April 13, 1915
Creator: Hamilton, Robert
System: The Portal to Texas History