3 Matching Results

Search Results

Advanced search parameters have been applied.
in creator/contributor: "Anderson, E. W."  
Results: 1 - 3

Process of Treating Slag and Furnace Therefor.

Description: Patent for a process of treating slag and furnace therefore. It has an improved method for separates melted metals produced during smelting and extracting the precious metals from slag. The richer matte and base-bullion run off separately and into separate taps.
Date: August 20, 1895
Creator: van Cleve, Charles M. & Rhodes, Robert D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Self Lighting Lamp Burner

Description: Patent for the invention of Self-Lighting Lamp Burners. Steps for creation and use of this item are spelled out with references to the illistration.
Date: August 27, 1918
Creator: White, James L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway Signal and Crossing-Gate.

Description: Patent for an improved railway signal meant to be used at crossings. It consists of a rotary signal post, operating mechanism, a lamp, an arm extension, the signal hanging from the arm, a bearing for the bottom of the rotary post, a box where the bearing sits, a sleeve that holds a cap plate for the box, a ladder from the post to the cap plate, and a brace.
Date: August 1, 1893
Creator: Berry, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen