15 Matching Results

Search Results

Advanced search parameters have been applied.

Hydraulic Swivel

Description: Patent for a hydraulic swivel to be used with rotary well drilling machines which will carry water to the drill head through a supply line and maintain that supply line in a given position during drilling operation.
Date: January 26, 1915
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Putty-Trowel

Description: Patent for a putty trowel which will lay a line of putty and trowel it into place to secure glass in a window sash.
Date: January 26, 1915
Creator: Morris, James G.
Partner: UNT Libraries Government Documents Department

Drive-Wheel for Traction-Engines

Description: Patent for a drive wheel for traction engines which has retractable wheel lugs. The wheel lugs used for traction on dirt roads can be "pivoted so that they may be withdrawn when not needed," such as when traveling on pavement.
Date: January 26, 1915
Creator: Wellensiek, Louis H.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen