5 Matching Results

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Combination-Penknife (open access)

Combination-Penknife

Patent for a combination penknife that includes: blades, awl, tack puller, screwdriver, beer bottle opener, cork screw, thorn extractor. The pen knife uses a "pocket" within the blades to house the corkscrew and awl.
Date: February 9, 1915
Creator: Feyrer. Frank
System: The Portal to Texas History
Discharge-Nozzle (open access)

Discharge-Nozzle

Patent for discharge nozzle for insecticide spraying machines. Proposed nozzle design to have adjustable opening.
Date: July 9, 1918
Creator: Gohmert, Otto Adolph
System: The Portal to Texas History
Ant Trap. (open access)

Ant Trap.

Patent for a new and improved ant trap. This design "has for its object the production of a simple, cheap, and effective device whereby the ants are confined to a space within the circle of the trap, speedily captured, and exterminated. It consists in a trap constructed with a circular flanged pit provided with tubes leading therefrom to a central ant-receptacle; also, in the details of construction of the trap" (lines 8-16).
Date: November 9, 1886
Creator: Barnes, Robert Hanson & Salles, George Camiel
System: The Portal to Texas History
Window-Frame Attachment (open access)

Window-Frame Attachment

Patent for a window frame attachment of bars that shades can be attached to.
Date: July 9, 1912
Creator: Hillman, Annie M.
System: The Portal to Texas History
Steam-Generator (open access)

Steam-Generator

Patent for improvements in the construction and design of steam engines.
Date: April 9, 1901
Creator: Thompson, Samuel F. & Barnes, Robert H.
System: The Portal to Texas History