Butt-Cutter (open access)

Butt-Cutter

Patent for a machine designed to cut off the butt ends of cereal sheaves should they become wet or muddy. Illustrations included.
Date: February 16, 1909
Creator: Janes, Ivey & Lanaux, Alfred A.
System: The Portal to Texas History
Traveling Block. (open access)

Traveling Block.

Patent for a traveling block construction. The invention resides in the combination and arrangement of parts and in the details of construction that provide a novel form of nut to be positioned on the ends of the supporting shaft of the block, the nuts being hollowed out to provide oil chambers for supplying the shaft with a lubricant.
Date: December 16, 1920
Creator: Boykin, Burwell Jr.
System: The Portal to Texas History
Process of Heating Oil-Retorts and Apparatus Therefor. (open access)

Process of Heating Oil-Retorts and Apparatus Therefor.

Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for a wrench. Illustration included.
Date: May 16, 1905
Creator: Baldwin, Thomas J.
System: The Portal to Texas History
Hydraulic Swivel. (open access)

Hydraulic Swivel.

Patent for "new and useful improvements in hydraulic swivels" (lines 1-6).
Date: January 16, 1906
Creator: Wiggs, James A., Jr.
System: The Portal to Texas History
Means for Propelling Boats. (open access)

Means for Propelling Boats.

Patent for a means for propelling boats that uses pneumatic pressure and does not use propellers and screws. The invention has increased propulsion.
Date: October 16, 1894
Creator: Higgins, Pattillo
System: The Portal to Texas History
Electrically-Actuated Sawmill Set-Works (open access)

Electrically-Actuated Sawmill Set-Works

Patent for an electrically-actuated sawmill set-works that regulates movement of the clutch-stop and set-shaft, which determines the extent of knee-movement including illustrations.
Date: October 16, 1900
Creator: Carroll, William M.
System: The Portal to Texas History
Heel-Sweep. (open access)

Heel-Sweep.

Patent for a "heel sweep for a plow. The invention aims to provide a sweep which will possess great strength..."
Date: December 16, 1919
Creator: Kelly, George Dudley
System: The Portal to Texas History
Pipe-Wrench. (open access)

Pipe-Wrench.

Patent for improvements to pipe wrenches to a more simple design.
Date: February 16, 1915
Creator: Lewis, Guy V.
System: The Portal to Texas History
Demountable Rim (open access)

Demountable Rim

Patent for a durable yet inexpensive "demountable rim for vehicle wheels" (lines 12-13), with a sectional design for ease of attachment and removal.
Date: September 16, 1913
Creator: McPherson, Arthur
System: The Portal to Texas History