UNT Libraries Government Documents Department - 13 Matching Results

Search Results

Results: 1 - 13

Apparatus for Obtaining a Vacuum.

Description: Patent for a new and improved vacuum. This design utilizes a liquid pump, plates, tubes and valves to make "about as perfect a vacuum . . . as can be obtained by an ordinary pump" (lines 53-55).
Date: July 27, 1880
Creator: Ward, Lyman Henry

Bank-Check Writer.

Description: Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.
Date: May 18, 1920
Creator: Wendelken, Charles

Broiler

Description: Patent for a broiler. Illustrations included.
Date: September 6, 1910
Creator: Rape, William F.

Combined Bridge and Cattle-Guard.

Description: Patent for a bridge with movable parts that disallows the passage of cattle while allowing for the passage of human foot-traffic and automobiles.
Date: June 6, 1916
Creator: Brian, William W.

Corn-Husker.

Description: Patent for a new and improved machine for husking corn using a rotating wheel with spurs and cutters with combination of a stationary and movable concaves, including illustration.
Date: March 9, 1858
Creator: Fagan, Joseph & Fagan, James L.

Envelop.

Description: Patent for an adjustable envelop design for storing documents and articles. This is a design with flaps within the inner fold that are made to secure and protect the document. Straps that extend from the outer edge secure the outer flap over the contents as well as the inner protective flaps.
Date: November 28, 1911
Creator: Low, Eugene

Improved Priming Device for Internal-Combustion Engines

Description: Patent for improvement in priming devices for Internal-Combustion engines created by placing an injector that forces fuel from the fuel tank into the intake manifold in time with the cylinder for faster combustion.
Date: unknown
Creator: Donada, Benito J.

Improvement in Ironing Apparatus.

Description: Patent for an improvement in ironing-machine which can iron clothes quicker and better with very little physical labor. Illustration is included.
Date: September 12, 1876
Creator: Nott, Henry J.

Improvement in Ironing-Machines.

Description: Patent for an ironing machine that includes a "movable table operated by a crank" (lines 16-17). Illustration included.
Date: November 18, 1873
Creator: Cottingham, Gideon W.

Improvement in Sewing-Machine Shuttles

Description: Patent for an improved sewing-machine shuttle, which shuffles the bobbins back and forth among one another. This makes sewing faster for easier for any person who sews.
Date: June 30, 1877
Creator: Nott, Henry J.

Priming Device

Description: Patent for a priming device. Intent of the priming device is to provide improvements to priming devices in internal combustion engines.
Date: May 16, 1919
Creator: Donada, Benito J

Tractor.

Description: Patent for new and improved tractors on farms that are capable of pulling plows, cultivators, seed planters and other similar types of devices.
Date: October 5, 1920
Creator: Lindner, Hans
Back to Top of Screen