5 Matching Results

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Automatic-Cut-Off (open access)

Automatic-Cut-Off

Patent for an automatic cut-off part for a steam inlet pipe.
Date: March 1, 1921
Creator: La Bauve, William H.
System: The Portal to Texas History
Core-Discharge Apparatus. (open access)

Core-Discharge Apparatus.

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.
System: The Portal to Texas History
Life-Boat. (open access)

Life-Boat.

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.
System: The Portal to Texas History
Pump. (open access)

Pump.

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.
System: The Portal to Texas History
Electro Medical Belt. (open access)

Electro Medical Belt.

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 and those of the belt-contact plates, consisting of disks or plates provided with tongues" (lines 18-29).
Date: April 1, 1890
Creator: Shelton, William J.
System: The Portal to Texas History