53 Matching Results

Search Results

Telltale Switch

Description: Patent for switch that indicates when a vacuum fails. Used for systems in "which it is desired to keep a ... uniform vacuum such as in fruit dryers, creosoting plants, surgace and jet condensing for steam plants and the like" (lines 21-25).
Date: March 23, 1915
Creator: Howland, John
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for improvements in cotton choppers that are reliable, cost-effective, and move transversely through the rows of cotton "separately producing a vertical adjustment of each earth turning member." (lines 17-19), including illustrations.
Date: March 23, 1915
Creator: Gant, Jesse B.
Partner: UNT Libraries Government Documents Department

Collapsible Crate

Description: Patent fora collapsible crate used specifically for "shipping poultry or other live animals" (lines 11-12).
Date: March 23, 1915
Creator: Master, Chester A. & Wolnitzek, Oscar T.
Partner: UNT Libraries Government Documents Department

Bolt Lock

Description: Patent for an improved bolt block that maintains a bolt effectively against axial rotation.
Date: March 23, 1915
Creator: Robinson, Robert John, Sr.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen