UNT Libraries Government Documents Department - 30 Matching Results

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Brake-Controlling Mechanism for Railway-Cars

Description: Patent for an "air brake controlling mechanism for use in connection with railway cars" (lines 10-12), one feature applies whereby if a wheel becomes derailed the brakes will be applied automatically. Includes illustrations.
Date: February 22, 1916
Creator: Halliburton, George M. & McBurney, Samuel L.

Building-Block.

Description: Patent for building block that is easily formed or molded. The building block forms tiers to easy move around and modify.
Date: February 1, 1921
Creator: Pace, Vara L.

Butt-Cutter

Description: Patent for a machine designed to cut off the butt ends of cereal sheaves should they become wet or muddy. Illustrations included.
Date: February 16, 1909
Creator: Janes, Ivey & Lanaux, Alfred A.

Carbureter

Description: Patent for a carburetor to be used on internal combustion engines. Illustrations included.
Date: February 8, 1910
Creator: Kingsbury, William P.

Direction Signal for Automobiles.

Description: Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.
Date: February 7, 1922
Creator: Womack, Foster B.

Garment-Fitting Device.

Description: Patent for a series of flexible bands and tapes to be used for efficient fitting of garments with regards to seam lines and marking patterns upon cloth by measuring the waist, skirt, and sleeve areas.
Date: February 2, 1909
Creator: Johnson, Mary M.

Grain-Door for Cars

Description: Patent for a door for grain containers. Illustrations included.
Date: February 20, 1912
Creator: Miller, Rudolph Charles

Hand Device For Operating Sewing Machines

Description: Patent for a hand device for operating sewing machines. This invention relates to hand driven sewing machines. Illustrations included.
Date: February 12, 1907
Creator: Rapier, Mildred J.

Manufacture of Aluminum Chlorid

Description: Patent for method of making aluminum chlorid, where a form of hydrated alumina is combined with coking coal, and then exposed to heat and chlorin/chlorin containing gas.
Date: February 27, 1917
Creator: McAfee, Almer M.

Manufacture of Aluminum Chloride.

Description: Patent for improvements of manufacture of aluminum chloride, comprising "a method of utilizing certain oily residues which are the result of treatment of oils with aluminum chloride or with substances capable of forming aluminum chloride" (lines 11-14), including illustrations.
Date: February 7, 1922
Creator: McAfee, Almer M.

Monolithic Wall.

Description: Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date: February 7, 1922
Creator: Graham, Malcolm J

Nut-Lock.

Description: Patent for a nut-lock that holds the nut more securely in place than previous ones. Used primarily in railroad joints, but can be used in a variety of other applications.
Date: February 19, 1907
Creator: Baldwin, John H.

Oil-Burning System

Description: Patent for a liquid fuel system used for burning crude oil. Illustrations included.
Date: February 1, 1910
Creator: Duke, Holmes

Oil-Tank.

Description: Patent for an oil tank with an improved design for extinguishing fires inside the tanks and a means for allowing the escape of exploded gases upon accidental ignition.
Date: February 9, 1915
Creator: Wasson, Edgar Allen & Cooley, Francis Marion

Pan Lifter and Turner.

Description: Patent for a pan lifter and turner using a bent handle, a curved plate is secured at the end of the bent handle; extending upward from the curved plate with a series of teeth to engages the crimped rim of a pan for lifting. At both ends of the curved plate provided with curved notches or recesses to receive and engage the rim of a pan for turning. Illustration is included.
Date: February 10, 1891
Creator: Ericson, John

Pipe-Wrench.

Description: Patent for improvements to pipe wrenches to a more simple design.
Date: February 16, 1915
Creator: Lewis, Guy V.

Plunger.

Description: Patent for a plunger for use in pumps and air compressors that fits tightly into the cylinders of the machine.
Date: February 27, 1912
Creator: Ohmstede, August

Post-Hole Auger.

Description: Patent for a post hole auger that is easy to operate.
Date: February 7, 1911
Creator: Mahon, John G. & Olschner, Clarence E.

Pump Cylinder

Description: Patent for a removable liner for a pump cylinder bore, including illustrations.
Date: February 24, 1914
Creator: Black, Lee J.

Rotary Drilling-Machine

Description: Patent for a rotary drilling machine for drilling oil wells. Illustrations included.
Date: February 18, 1913
Creator: Black, Lee J.

Rotary for Oil-Wells.

Description: Patent for a pipe rotary for use "in sinking oil-wells" (line 10). The patent allows for the power to be applied to the "pipe-sections which constitute the casing of the well" (line 14-15).
Date: February 6, 1906
Creator: Bernard, Horace D.

Sectional Dam and Flume

Description: Patent for a sectional dam and flume for small waterways that takes the water to a turbine.
Date: February 4, 1913
Creator: Holmes, Clayton F.

Steam Face-Bath

Description: Patent for an apparatus that provides a steam bath for the face. Illustrations included.
Date: February 15, 1910
Creator: Dalzelle, Sanford J.

Still.

Description: Patent for a still designed to refine crude petroleum and extract lighter elements, including illustrations.
Date: February 11, 1919
Creator: Gallsworthy, Benjamin
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