4 Matching Results

Search Results

Advanced search parameters have been applied.

Plunger.

Description: Patent for a plunger for water and oil wells, which will withstand heavy use.
Date: September 14, 1909
Creator: Karnes, Harry E.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a "pump for effectively pumping oil or quicksand from wells troubled with quicksand." (Lines 8-10) Includes instructions and illustrations.
Date: March 30, 1897
Creator: Wintz, James Philip
Partner: UNT Libraries Government Documents Department