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8 Matching Results
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Bulkhead.
Patent for bulkhead that is "adapted for use as a sea wall or quay wall" (lines 10-11).
Date:
March 25, 1919
Creator:
Sands, Edward E.
System:
The Portal to Texas History
Load-Indicator.
Patent for a Load-Indicator for tools being used in drilling a well. The indicator gives an accurate measure of the weight upon the drill, allowing operators to adjust the weight accordingly.
Date:
November 25, 1919
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Well-Screen Washer and Perforator.
Patent for a device that is used to wash a screen set in an oil well and perforate the pipe the screen is attached to.
Date:
March 25, 1919
Creator:
Wilkirson, Aaron L.
System:
The Portal to Texas History
Sample Taking Device
Patent for an oil sample-taking device.
Date:
February 25, 1919
Creator:
Dodds, Redus D.
System:
The Portal to Texas History
Rotary Boring Drill.
Patent for "rotary boring drills for use in drilling wells or mines in earth or rock" (lines 11-13) including instructions and illustrations.
Date:
November 25, 1919
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Footboard-Brace for Vehicles.
Patent for footboard-brace for vehicles that are adapted to be supported from the vehicle frame and is also adjustable.
Date:
March 25, 1919
Creator:
Beyer, Daniel A.
System:
The Portal to Texas History
Pipe-Wrench
Patent for a pipe-wrench that features new and useful improvements and also extends the purposes to which the pipe-wrench may be applicable.
Date:
November 25, 1919
Creator:
Steen, Buford J.
System:
The Portal to Texas History
Detachable Automobile Spring-Tire.
Patent for a detachable automobile leaf spring tire. This invention would provide a tire of simple construction with leaf springs and will have a secure connection of the inner and outer tire parts.
Date:
March 25, 1919
Creator:
La Bauve, Lillie W.
System:
The Portal to Texas History