Collection
Counties
Decade
Month
6 Matching Results
Results open in a new window/tab.
Results:
1 - 6 of
6
Steam-Engine Valve.
Patent for a steam-engine valve that has an "improved rotary valve capable of feeding and exhausting one end of a steam-cylinder, and easily controlled and operated" (lines 18-20). This makes the engine easily controllable.
Date:
September 17, 1895
Creator:
Ford, Andrew H.
System:
The Portal to Texas History
Process for Refining and Purifying Oils.
Patent for "processes for purifying oils, especially petroleum, and has for its object the removal of impurities and the neutralization of acids, and the reduction of the cost of refining oil by simplifying the process and reducing the length of time usually required for completing the purification" (lines 9-16).
Date:
September 15, 1910
Creator:
Lasher, David F.
System:
The Portal to Texas History
Headlight Control
Patent for Headlight Control
Date:
September 12, 1916
Creator:
Hartman, Reuben. E
System:
The Portal to Texas History
Thermostatic Signal
Patent for Thermostatic Signal. "The object of my invention is to provide a device whereby an alarm will be automatically sounded when the temperature of the drier has reached too high a point." (lines 13-16). With Illustrations.
Date:
September 18, 1888
Creator:
Lutcher, Henry J.
System:
The Portal to Texas History
Safety-can.
Patent for a device that is able to cover and create an air-tight seal over a can or similar container. This task is accomplished in a way that renders both the can and its cover reusable, illustrations included.
Date:
September 2, 1919
Creator:
Patronell, John
System:
The Portal to Texas History
Penholder Attachment
Patent for an attachment for pen holders which acts as an extra supply of ink. Illustrations included.
Date:
September 12, 1911
Creator:
Harmon, James W.
System:
The Portal to Texas History