6 Matching Results

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Artificial Stone (open access)

Artificial Stone

Patent for artificial stone.
Date: April 5, 1904
Creator: Steger, Virge
System: The Portal to Texas History
Design for a Fire-Screen (open access)

Design for a Fire-Screen

Design patent for a fire-screen that has vertical bars decorated with balls or spherical ornaments.
Date: June 5, 1894
Creator: Gist, John A. L.
System: The Portal to Texas History
Automatic Lock for Cotton Gins (open access)

Automatic Lock for Cotton Gins

Patent for an automatic lock for cotton gins. It provides an automatic latch having a constant tendency toward the latching position, but yieldable to the opening of breast of the cotton gin. This is to prevent accidents involving the removing of obstruction in the gin happening to those removing the obstruction. Illustrations are provided.
Date: February 5, 1918
Creator: Henson, W.M.
System: The Portal to Texas History
Improvement in Ditching-Machines. (open access)

Improvement in Ditching-Machines.

Patent for the improvement of ditching-machines by way of new construction techniques.
Date: May 5, 1876
Creator: Austin, Matthew J.
System: The Portal to Texas History
Washing-Machine. (open access)

Washing-Machine.

Patent for washing machine. Objective is to make the machine inexpensive and capable of washing clothes with rapid cycles without any harm to the fabric.
Date: August 5, 1902
Creator: Sparkman, William
System: The Portal to Texas History
Separator-Guard. (open access)

Separator-Guard.

Patent for a separator-guard for spinning frames. It prevents "the yarn from being entangled in or caught by the devices for attaching the separators to their support" (lines 15-17). Illustrations included.
Date: July 5, 1912
Creator: Pitts, Arthur
System: The Portal to Texas History