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Roller Boring-Drill.

Description: Patent for a boring-drill that can be manufactured cheaply. It provides sufficient space for the casing to follow it in order to prevent the walls from caving in. The patent includes instructions and illustrations.
Date: December 1, 1914
Creator: Hughes, Howard Robard
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Partner: UNT Libraries Government Documents Department

Valve Remover.

Description: Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Date: December 2, 1919
Creator: Ingram, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tunneling-Machine.

Description: Patent for a tunneling machine that has the ability to easily change course and utilizes a conical shaped shell to receive loose earth and convey it towards the mouth of the tunnel. The invention also has a rotating head connected to the carrying vehicle meaning that the machine is supported and driven forward against the tunnel as it is cut away.
Date: December 30, 1919
Creator: Dana, Frank L.
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Partner: UNT Libraries Government Documents Department

Water-Heating Attachment for Internal-Combustion Motors.

Description: Patent for a water heating attachment for internal combustion motors that will allow the cooling fluid in said motors to remain heated even when the motor is at rest, especially during freezing temperatures, including illustration.
Date: December 7, 1920
Creator: Clayton, Oscar B. & Oberwetter, George T.
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Partner: UNT Libraries Government Documents Department

Well-Blower

Description: Patent for a well blower that is able to discharge the contents of a well at different air pressure levels. Illustrations included.
Date: December 15, 1908
Creator: McEvoy, Joseph H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Heater

Description: Patent for a water heater operated by heating pipes and coils. Illustrations included.
Date: December 29, 1908
Creator: Wood, Charles A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Indicator

Description: Patent for an indicator. This indicator if for the use with cars as a means for moving a belt that displays the name of streets. Illustration included.
Date: December 15, 1908
Creator: Bell, Harry M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail-Station Device

Description: Patent for a mailbox in rural areas for outgoing and incoming mail to be placed in a convenient manner in a designated area. The mailbox will also have individual receptacles for individual persons to access with their designated key.
Date: December 21, 1915
Creator: Gibson, Joe
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Partner: UNT Libraries Government Documents Department

Manufacture of Soap.

Description: Patent for a new and improved soap-making process. This process "consist[s] in applying hydraulic pressure to the mass undergoing mixture and steam-heating . . . [and] thoroughly mixing the ingredients . . . in a close vessel by means of rotary blades, heating the same by steam, and at the same time applying pressure by means of a hydraulic pump to the said mixture" (lines 86-95).
Date: December 15, 1885
Creator: Grant, William A.
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Partner: UNT Libraries Government Documents Department

Journal-Box

Description: Patent for "improvements in journal boxes, the object of my improvement being to provide simple and effective means for applying the lubricant, retaining it always within reach of the wearing surfaces, and conveying it over all of the surface which is subject to frictional content" (lines 8-14).
Date: December 27, 1892
Creator: Sneddon, William
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Partner: UNT Libraries Government Documents Department

Toy Fountain.

Description: Patent for toy foundation. It is "an improved form of toy fountain by which a column of water or other liquid may be discharged into the air from a suitable reservoir by pueumatic pressure" (lines 8-11).
Date: December 9, 1902
Creator: Attwater, Henry P.
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Partner: UNT Libraries Government Documents Department

Mail Delivery Apparatus

Description: Patent for improvements to mail delivery through sorting and distribution to different destinations with illustrations.
Date: December 16, 1919
Creator: Cobb, Albert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a new form of pump developed by Granville A. Humason. This pump is an improvement of prior models, intended to be "adaptable for many different uses, but which will be simple and durable in structure" (lines 14-18).
Date: December 30, 1919
Creator: Humason, Granville A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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