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Engine Valve Mechanism (open access)

Engine Valve Mechanism

Patent for an engine valve mechanism. This invention is a "class of steam engines wherein the cylinder-inlet and exhaust-ports are controlled by separate and distinct values." Illustration included.
Date: September 5, 1905
Creator: Moore, Ezra G. & Moore, Frank T.
System: The Portal to Texas History
Dipper (open access)

Dipper

Patent for dipper. Illustration included.
Date: May 16, 1905
Creator: Cowart, Laurance P.
System: The Portal to Texas History
Hydraulic Swivel (open access)

Hydraulic Swivel

Patent for a hydraulic swivel. Illustrations included.
Date: September 26, 1905
Creator: Thomson, Alexander & McLaughlin, Malacha Joseph
System: The Portal to Texas History
Process For Treating Petroleum-Oils (open access)

Process For Treating Petroleum-Oils

Patent for an improved process for treating petroleum oils, to remove asphaltum. (lines 9-12)
Date: December 19, 1905
Creator: Wintz, James Philip
System: The Portal to Texas History