UNT Libraries Government Documents Department - 218 Matching Results

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Aeroplane.

Description: Patent for improved propulsion for airplanes involving propellors in the front and rear of the plane. This aids in regulating air currents to stabilize flight, landing and speed. The patent includes illustrations.
Date: June 12, 1917
Creator: Campbell, John R.

Ant Trap.

Description: Patent for an in-ground ant trap that prevents the ants from escaping once caught in the trap, including instructions and illustrations
Date: September 12, 1911
Creator: Knox, Jessie Lonzo

Attachment for Carbureters

Description: This patent is for improvements in attachments for carbureters for automobiles. The purpose of this invention is to provide a means whereby only hot air or vapor is sucked into the carbureter,
Date: March 12, 1918
Creator: Milligan, Albert L.

Attachment For Coffee-Roasters

Description: Patent for coffee roaster attachment to aid in storing coffee after particle separation and also as a filter. The intention was to have this particular device be an attachment for many coffee roasters.
Date: February 12, 1918
Creator: Liberto, Samuel

Attachment for Huller-Gins

Description: Patent for the type of cotton gin known as huller gins. It is an attachment intended to force cotton through portions of the huller gin that often becomes blocked by accumulated detritus.
Date: February 12, 1918
Creator: Prichard, William Mathews

Bag-Holder.

Description: Patent for a paper bag holder that can employ one or more units, of various sizes, to hold paper bags of practically all sizes. It holds the bags in place and makes them readily removable when needed. The patent includes illustrations.
Date: August 12, 1913
Creator: Ott, Samuel A.

Baling-Press.

Description: Patent for an improved bailing press "especially designed for forming hay, straw, cotton, &c., &c.... into compressed, compact bales" (lines 10-13) that requires less effort and power for stronger compression results.
Date: March 12, 1910
Creator: North, Clarence L.

Beveled-Rule-Molding Device

Description: Patent for improvements in matrices and devices which are similar to matrices that are used in linotype and intertype or line casting machines. These devices consist of a rule molding mechanism with a bar having the general contour of a matrix. A channel exists in one side with under cut edges. These objects can be operated by matrix molding devices for forming rules for printing purposes.
Date: May 12, 1914
Creator: Markwell, Andrew E.

Brick Fire Box Construction.

Description: Patent for an improved fire box liner construction for oil fueled locomotives that is made from bricks in an interlocking design that does not require cement and will not shake apart from vibration. Includes illustrations.
Date: September 12, 1911
Creator: Blackmond, William C. & Stoy, Guy Everett

Butter-Container.

Description: Patent for a butter container that holds butter and protects against direct handling until it is served. This is inexpensive, two-piece and very easy to clean.
Date: August 12, 1913
Creator: Eiband, Ernst A.

Cable Reeling and Pulling Truck

Description: Patent for the cable reeling and pulling truck. This invention was made to ease the process of cable reeling and pulling by trucks and for improvements to the safety of this process. Illustrations are provided.
Date: February 12, 1918
Creator: Alberts, James

Car-Door

Description: Patent for a car door that has a lock that cooperates with the hangers on the door to cause them to bind the rollers against the track. The car door also provides a locking means for the levers on the door locking means which is "adapted to received the ordinary car seal" (line 22).
Date: October 12, 1915
Creator: Renner, Willie L.
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