4 Matching Results

Search Results

Results: 1 - 4

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 The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position.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.
Partner: UNT Libraries Government Documents Department

Knee-Pad.

Description: Patent for a knee pad to be used by berry or cotton pickers, or other workers that are often in a kneeling position. The knee pad consists of a frame made of "one piece of spring wire of rather coarse gage, a roller revolubly attached to the front end of the frame, and cloth or canvas stretched across the frame" (lines 23-27). The cloth is easy to remove and replace.
Date: March 4, 1919
Creator: Holsey, Walter R.
Partner: UNT Libraries Government Documents Department

Switching Device

Description: Patent for a switch throwing device that can be operated from a train car. Illustrations included.
Date: March 21, 1911
Creator: Gordon, Holland F.
Partner: UNT Libraries Government Documents Department

Attachment for Cotton-Choppers.

Description: Patent for "Improvements in Attachments for Cotton-Choppers" (lines 5-7) to vary the plane of rotation of the hoe.
Date: March 28, 1916
Creator: Fultz, Deck B.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen