Resource Type

Check-Turning Device (open access)

Check-Turning Device

Patent for improvements of check-turning devices. The improvements allow checks to be turned quickly especially by adding machine operators.
Date: February 18, 1919
Creator: Albaugh, Ellis
System: The Portal to Texas History
Clutch. (open access)

Clutch.

Patent for "the principal object of this invention to provide a compact and efficient friction clutch for transmitting power from a single driving member to a plurality of individual driven mechanisms" (lines 11-15), including illustrations.
Date: February 4, 1919
Creator: Taft, John A.
System: The Portal to Texas History
Valve-Grinding Device (open access)

Valve-Grinding Device

Patent for a device that can simultaneously grind "several valves of a multi-cylinder engine or motor" (lines 11-12). This device allows the "ready interchangeability, repair and adjustment of the working parts" (lines 16-17).
Date: February 4, 1919
Creator: Lohec, Joseph C.
System: The Portal to Texas History
Lock. (open access)

Lock.

Patent for "locking the control pedals of a motor vehicle from movement in either direction, the said lock being arranged between the pedals and arranged to simultaneously engage and lock both" (lines 9-14).
Date: February 27, 1919
Creator: Cameron, Robert G.
System: The Portal to Texas History
Journal-Lubricator. (open access)

Journal-Lubricator.

Patent for a railway journal lubricator with a reservoir and lubricating rollers for supplying lubricant to the railway journal.
Date: February 4, 1919
Creator: Urbieta, Jose M.
System: The Portal to Texas History
Filter. (open access)

Filter.

Patent for an improvement in filters to remove impurities from gasoline and oil and to reuse the gasoline and oil. Includes illustrations.
Date: February 4, 1919
Creator: Northrup, Early
System: The Portal to Texas History