Texas Patents - 5 Matching Results

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Core-Discharge Apparatus.

Description: Patent for an Improvement in Core-Discharge Apparatus. It is meant to be used in connection with core drills in well or mine drilling. This improvement is meant to be carried to the surface by an air-lift pump.
Date: October 1, 1918
Creator: Carhichael, Robert E.
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Partner: UNT Libraries Government Documents Department

Electro Medical Belt.

Description: Patent for a new and improved electro-medical belt. This design "consists in a belt or support constructed of multiple-ply electro-conductive belting, which [the design] make[s] by inserting a conductor or conductors between the folds of a multiple-ply band with suitable contact-points at the surface, a sling supported by and movable on the belt for carrying the electric generator, also constructed of the electro-conductive belting, and having detachable connectors between its contact points an… more
Date: April 1, 1890
Creator: Shelton, William J.
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Partner: UNT Libraries Government Documents Department

Life-Boat.

Description: Patent for an improved life boat that "consists principally of a central closed hull equipped with propelling machinery, and floats extending on the sides of the said hull and rigidly secured thereto, to support the hull in position." (Lines 12-16) Includes instructions and illustrations.
Date: September 1, 1896
Creator: James, William F.
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Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a new and improved design for pumps as they are used in deep wells. New design meant to prevent sand from entering machine between the working barrel and plunger.
Date: February 1, 1919
Creator: Carmichael, Robert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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