Pump-Piston. (open access)

Pump-Piston.

Patent for an improved pump piston used to pump oil from deep wells. The main improvement in this piston is that it is less susceptible to damage from sand or sediment by keeping sediment out of the piston valve, thus preventing it from accruing any long term damage that may render the piston irreparable. This design is also capable of fixing any wear due to sand or grit without removing the piston from the well.
Date: May 4, 1920
Creator: Coulson, William J.
System: The Portal to Texas History
Pump-Plunger (open access)

Pump-Plunger

Patent for an improvement in Pump-Plungers. "It has a particular application to pumps of this character for use in oil or water wells where the liquid is mixed with sand" (lines 13-16), including illustrations.
Date: May 4, 1920
Creator: Mackenzie, Alexander S.
System: The Portal to Texas History
Stamping Machine. (open access)

Stamping Machine.

Patent for improvements to stamping-machines used for the purposes of marketing nuts. The device can efficiently perform the laborious act of stamping individual nuts with a trademark. It can be adjusted to stamp nuts of any size, along with other similar objects, without breaking or injuring the nut.
Date: May 4, 1920
Creator: Wischhesen, Frederick B.
System: The Portal to Texas History
Valve-Flushing Means (open access)

Valve-Flushing Means

Patent for a method of expelling debris and deposits in a foot valve, including illustrations.
Date: May 4, 1920
Creator: Coulson, William J.
System: The Portal to Texas History
Combustion-Gas and Crude-Oil Burner (open access)

Combustion-Gas and Crude-Oil Burner

Patent for a burner which can be used with either gas or oil, or both at once.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
System: The Portal to Texas History
Crude-Oil Burner. (open access)

Crude-Oil Burner.

Patent for an improvement on a crude oil burner that can adapt to various grades of crude oil as well as providing intense heat to various sizes of boilers.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
System: The Portal to Texas History
Rudder-Bar for Aeroplanes. (open access)

Rudder-Bar for Aeroplanes.

Patent for improvement in aeroplanes, especially to the steering mechanism which allows for the rudder to be locked in position so the aviator can remove their feet from the steering bar.
Date: May 25, 1920
Creator: McMullen, William H.
System: The Portal to Texas History
Pump (open access)

Pump

Patent for a pump that can be "cleansed of sand and other foreign matter" which may cause an obstruction or interference "with the operation of the pump valve" (lines 13-15).
Date: May 28, 1920
Creator: Johnson, John L.
System: The Portal to Texas History
Self-Closing Bundle-Receptacle. (open access)

Self-Closing Bundle-Receptacle.

Patent for a receptacle basket that attaches to the side of an automobile and closes automatically using springs and hinges.
Date: May 3, 1921
Creator: Cardwell, Charles E.
System: The Portal to Texas History
Draft Attachment for Motor-Vehicles. (open access)

Draft Attachment for Motor-Vehicles.

Patent for a draft attachment by which a motor vehicle may "pull itself free when its traction wheels have become embedded in a soft or muddy road" (lines 14-16).
Date: May 17, 1921
Creator: Worsham, Louis W.
System: The Portal to Texas History
Condenser for Cotton-Presses. (open access)

Condenser for Cotton-Presses.

Patent for "Improvements in Condensers for Cotton-Presses," (lines 6-7) including illustrations. The invention is designed with cotton bale presses in mind, specifically the "condenser or bat forming device" (line 11).
Date: May 24, 1921
Creator: Taft, John A.
System: The Portal to Texas History
Hydraulic Swivel. (open access)

Hydraulic Swivel.

Patent for a hydraulic swivel which may be used for well drilling, has an inlet at the side, and is designed to be in few parts for reduced packaging.
Date: May 24, 1921
Creator: King, Walter E.
System: The Portal to Texas History
Sample-Taking Device. (open access)

Sample-Taking Device.

Patent for a sample-taking device to be used in well-drilling processes, which is unique in its simple construction, low manufacturing costs, and ease of use.
Date: May 24, 1921
Creator: Christian, Walton G.
System: The Portal to Texas History
Hoisting Drum (open access)

Hoisting Drum

Patent for improvements to hoisting drums for use in drilling oil, gas, and water wells, with the object being "to employ a plurality of hoisting drums upon the same shaft so that the cable may be wound partly on one drum and partly on another" (lines 73-76) such that the danger of cable cutting is decreased and the speed of operation is increased, including illustrations.
Date: May 2, 1922
Creator: Suman, John R. & Gamble, Adrian R.
System: The Portal to Texas History
Oil and Gas Burner (open access)

Oil and Gas Burner

Patent for a burner that can use both oil and gas as fuel.
Date: May 16, 1922
Creator: Oney, William M.
System: The Portal to Texas History
Lubricating Oil Dispenser (open access)

Lubricating Oil Dispenser

Patent for a lubricating oil dispenser designed specifically to dispense lubricants and similar liquids. Dispenser is formed with a transparent container tubes to show the customer the character of the liquid being dispensed.
Date: May 30, 1922
Creator: Fenaes, Alfred R. & Kennedy, William H.
System: The Portal to Texas History