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6 Matching Results
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Device For Adjusting Sieves In Threshing Machines
Patent for a device for adjusting sieves in threshing machines. Illustrations included.
Date:
December 5, 1905
Creator:
Steelsmith, John A.
System:
The Portal to Texas History
Bevel-Square
Patent for improvements in bevel squares used by carpenters, mechanics, and other similar work to represent the work of multiple bevels at once "to minimize and facilitate operations in fitting the parts of an objective structure together..." (Lines 19-21).
Date:
December 9, 1919
Creator:
Seay, Mathew E.
System:
The Portal to Texas History
Screw-Driver
Patent for a screwdriver. Illustrations included.
Date:
December 29, 1908
Creator:
Winfrey, Edgar M. & Lilins, Thomas W.
System:
The Portal to Texas History
Threading Apparatus For Pipes.
Patent for improvements of the threading apparatus for pipes through a simple attachment to automobiles wheels. Illustrated figures with descriptions are presented to easily show the ways in which the device attaches and is used.
Date:
December 28, 1920
Creator:
Adkins, Otto O.
System:
The Portal to Texas History
Oil-Burner
Patent for an oil burner that converts petroleum fuel into gas with its own heat. Illustrations included.
Date:
December 3, 1907
Creator:
Ziegler, John C.
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a type of vehicle wheel made of a unique hub, rim, and resilient spokes. The design allows for the hub and spokes to rotate independently of the rim, reducing the need for compensating gearing. This is done by having the spokes frictionally engaged with the rim rather than a rigid, static design.
Date:
December 26, 1911
Creator:
Bartle, John N.
System:
The Portal to Texas History