7 Matching Results

Search Results

Results: 1 - 7

Impeller-Pump.

Description: Patent for an impeller pump with separate sections and parts that can be connected together. The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position. The patent includes instructions and illustrations.
Date: March 10, 1914
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date: December 10, 1907
Creator: Johnston, Horace G. & Norris, Joseph B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for an improved type of cotton chopper that thins rows of plants on both flat and rough terrain. Includes illustrations and instructions.
Date: June 10, 1913
Creator: Hellums, Oscar S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ship-Protector.

Description: Patent for an improved protection device which may be attached to the bow of a ship.
Date: February 10, 1914
Creator: Wood, Shirley Hay
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing Machine

Description: Patent for an improved washing machine consisting of a wash-boiler into which one or more streams of hot water may be thrown.
Date: May 10, 1883
Creator: Caldwell, James S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen