56 Matching Results

Search Results

Stack Former and Protector.

Description: Patent for an invention "to provide a device of this character by means of which a hay, straw, or other kind of a stack may be formed and while being formed may be protected from rains" (lines 13-17). Illustrations included.
Date: August 12, 1902
Creator: Stipp, Edwin M.
Partner: UNT Libraries Government Documents Department

Magnetically-Operated Oil-Well Fishing-Tool.

Description: Patent for an electrically operated tool designed to retrieve lost oil pump plungers or casings from within oil wells.
Date: April 12, 1921
Creator: Dooley, William D.
Partner: UNT Libraries Government Documents Department

Lint Separator and Cleaner.

Description: Patent for machine that separates lint cotton and removes dirt and dust from the machine while it pulls cotton in, including illustrations.
Date: August 12, 1919
Creator: Meyers, Frank Wynne
Partner: UNT Libraries Government Documents Department

Combined Oil-Can and Oiler.

Description: Patent for combined oil-can that "combines the function of an oiler and oil can" (lines 12-13) and "is easily and simply constructed, inexpensive to manufacture and one which will be very efficient in operation" (lines 18-21).
Date: November 12, 1918
Creator: Tumey, Alfred S.
Partner: UNT Libraries Government Documents Department

Combination-Tool.

Description: Patent for "a simple and effective tool designed especially for wire-fence working and combining in a single implement a hatchet, nail-claw, staple-puller, wire kinker or twister, and wire-cutter." (Lines 13-16) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Ponkney, August C.
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for am adding machine by using two disks, one a units-disk with pins in multiples of ten, one a tens-disk, is an annular disk with pin surrounding the units disk, an outwardly spring-pressed holder having a beveled outer end frictionally engaging the pins of the tens-disk and a carrier having oppositely-beveled ends engaged a supplemental pin and one pin on the tens-disks, teeth in the adjacent faces of the holder and carrier, and an idle-gear between them to enable the adding operation.… more
Date: May 12, 1891
Creator: Wright, Joseph W.
Partner: UNT Libraries Government Documents Department

Clothes-Pin

Description: Patent for clothes pin with illustration attached. This pin was created to allow ease shifting of clothes hanging from the clothe line. Additionally the clothes pin does not pinch the clothes it holds in place.
Date: June 12, 1917
Creator: McKinney, Arthur C.
Partner: UNT Libraries Government Documents Department

Adjustable Device for Dressing Down Bearings

Description: Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date: December 12, 1922
Creator: Mitchell, William A.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen