32 Matching Results
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Power-Transmitting Mechanism.
Patent for improvements in a power transmitting mechanism that is "designed for the purpose of connecting a driving or power shaft with a driven shaft, whereby the driven shaft is continuously rotated from the driving shaft." (lines 11-14)
Date:
July 13, 1920
Creator:
Smith, Robert W. J.
System:
The Portal to Texas History
Piston.
Patent for improvements in pistons (also called follower heads) for pump cylinders that are more designed for oil wells. The principal object of this invention is to provide a means for renewing parts of the head to restore the same to its original diameter after it has become worn and loose.
Date:
January 13, 1920
Creator:
Miller, William James
System:
The Portal to Texas History
Method and Apparatus for Coating Pipes, Bars, Angles, and the Like.
Patent for improved method of coating pipes, bars, angles, etc., by applying centrifugal force to the item after being immersed in a coating bath.
Date:
July 13, 1920
Creator:
Watrous, Edward L.
System:
The Portal to Texas History
Sling-Shot.
Patent for a sling shot that is more durable, efficient, and less likely to break. Includes instructions and one illustration.
Date:
July 13, 1920
Creator:
Jones, Ralph L.
System:
The Portal to Texas History
Cotton-Chopping Machine
Patent for a cotton "wheeled cultivator" (line 14-15) attachment which allows users to make adjustments to the cultivator blades, including illustrations.
Date:
April 13, 1920
Creator:
Sims, James G.
System:
The Portal to Texas History
Display and Vending Device.
Patent for a new improvement to display and vending devices to display products for purchase without a clerk. The device is automated so that it delivers the product directly to the consumer without the need for the consumer to move or change positions. The device cuts costs due to the dismissal of clerks.
Date:
January 13, 1920
Creator:
Ogden, Carlton N.
System:
The Portal to Texas History
Calendar
Patent for a calendar that has the ability to preserve pages of interest for future reference.
Date:
July 13, 1920
Creator:
Pennington, Emory G.
System:
The Portal to Texas History
Clevis Attachment for Plows.
Patent for an agricultural plow attachment that allows for more precision concerning the measurement of depth of the plow point against different types of terrain/soil conditions.
Date:
February 13, 1920
Creator:
Wolter, Fred W.
System:
The Portal to Texas History