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10 Matching Results
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Well-Packer.
Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date:
April 13, 1920
Creator:
Fletcher, Harold W.
System:
The Portal to Texas History
Spear
Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date:
April 20, 1920
Creator:
Gray, Ellsworth
System:
The Portal to Texas History
Pump
Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date:
April 23, 1920
Creator:
Scott, Floyd L.
System:
The Portal to Texas History
Pump.
Patent for a pump specifically designed for oil wells to make drilling oil more efficient, lucrative, and easier to perform.
Date:
April 13, 1920
Creator:
Carden, David A.
System:
The Portal to Texas History
Plunger For Deep-Well Pumps
Patent for improved deep well pumps with plungers used to reduce wear and lower the amount of repairs needed
Date:
April 20, 1920
Creator:
Coulson, William J.
System:
The Portal to Texas History
Testing Device.
Patent for a testing device that can be used to test the condition of the pistons in an internal combustion motor. The device can also be used as an "air pump, or grease or oil gun." (lines 30-31).
Date:
April 13, 1920
Creator:
Harpst, Frederick E.
System:
The Portal to Texas History
Nut Locking Device.
Patent for a new and improved nut-locking device to securely lock fish plates to rail ends.
Date:
April 6, 1920
Creator:
Hales, Wiley J.
System:
The Portal to Texas History
Means for Detachably Securing Chairs to Floors.
Patent for a new device that secures chairs to the floor and is easily detachable so the chairs can be moved when necessary.
Date:
April 6, 1920
Creator:
Lambert, Joseph A.
System:
The Portal to Texas History
Pipe-Wrench.
Patent for a pipe wrench that can be "operated in either direction" (line 18) to screw and unscrew a pipe with an easy application and secure grip.
Date:
April 27, 1920
Creator:
Nixon, Jeddy D.
System:
The Portal to Texas History
Device for Taking Samples from Wells.
Patent for the development of a drill bit "specially designed for the purpose of obtaining samples of the formation through which the drill bit is passing" (lines 14-16).
Date:
April 6, 1920
Creator:
Dodds, Redus D.
System:
The Portal to Texas History