Well-Cleaner. (open access)

Well-Cleaner.

Patent for improvements for cleaning oil, water, and gas wells that goes into the well and flushes out a clogged screen.
Date: August 6, 1920
Creator: Bashara, Samuel F.
System: The Portal to Texas History
Vending-Machine. (open access)

Vending-Machine.

Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date: January 6, 1920
Creator: Ogden, Carlton N.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump for deep wells with a "specially constructed piston capable of a powerful working stroke and which will secure at all times a full volume of liquid at each stroke of the pumping rod." (line 25) including instructions and illustrations.
Date: July 6, 1920
Creator: Humason, Granville Allison
System: The Portal to Texas History
Nut Locking Device. (open access)

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. (open access)

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
Dispensing-Vehicle. (open access)

Dispensing-Vehicle.

Patent for a "portable store or dispensing vehicle" (lines 11-12) designed to carry a small stock of merchandise that can be conveniently displayed & sold to customers, quickly turned to ensure freshness, and refrigerated if necessary. The vehicle is intended to support quick relocation through its portability, save time for both dispenser and customer alike, and be either draft animal- or motor-driven, illustrations included.
Date: January 6, 1920
Creator: Moody, Jason B.
System: The Portal to Texas History
Device for Taking Samples from Wells. (open access)

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
Combination Well-Packer and Setting-Tool. (open access)

Combination Well-Packer and Setting-Tool.

Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date: January 6, 1920
Creator: Abercrombie, Jamie & Dunman, Nesbit M.
System: The Portal to Texas History