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Automatic Rotary Hydraulic Casing-Spear.
Patent for "new and useful Improvements in Automatic Rotary Hydraulic Casing-Spears" (lines 5-7) which "relates to improvements in well-boring apparatus" (lines 13-14).
Date:
December 26, 1905
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Boat
Patent for a sportsman boat. It can be lowered or raised in adjacent to the water level based on the intentions of the user.
Date:
December 26, 1905
Creator:
Richardson, William A.
System:
The Portal to Texas History
Hydraulic Swivel
Patent for improvements in the construction and design of hydraulic swivels.
Date:
December 17, 1907
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Hydraulic Swivel
Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date:
December 10, 1907
Creator:
Johnston, Horace G. & Norris, Joseph B.
System:
The Portal to Texas History
Pneumatic Cotton Elevator and Distributer
Patent for a pneumatic cotton elevator and distributer. Illustration included.
Date:
December 6, 1904
Creator:
Jackson, James Theodore
System:
The Portal to Texas History
Electric Clock
Patent for an electric clock. Illustration included.
Date:
December 25, 1906
Creator:
Iversen, Henry
System:
The Portal to Texas History
Baling-Press
Patent for a baling press, designed so that the feeding and baling of cotton or straw is performed automatically, Illustrations included.
Date:
December 17, 1907
Creator:
Cumpston, Frederick B.
System:
The Portal to Texas History