Combination Swing and Couch. (open access)

Combination Swing and Couch.

Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date: February 10, 1920
Creator: McDevitt, Leslie I.
System: The Portal to Texas History
Compound Air-Compressor. (open access)

Compound Air-Compressor.

Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date: February 17, 1920
Creator: Jones, Oceola
System: The Portal to Texas History
Drill Bit (open access)

Drill Bit

Patent for improvements in drill bits, particularly in the application used in drilling in soft formations, such as clay, gumbo, or similar material. The purpose of the invention is to provide a way to prevent the sticking of material to the drill and drill collar while the drilling operation is being performed.
Date: February 14, 1922
Creator: Childs, William L.
System: The Portal to Texas History
Apparatus For Forcing Fluid From Wells. (open access)

Apparatus For Forcing Fluid From Wells.

Patent for a narrow device to use fluid dynamics to remove certain fluids without loss of others. The apparatus is let down the well until one end is submerged before pressurized with air to seperate fluids and bring oil up to the surface of the well.
Date: February 22, 1921
Creator: Bodungen, Charles G.
System: The Portal to Texas History
Boring-Tool for Oil-Wells and the Like. (open access)

Boring-Tool for Oil-Wells and the Like.

Patent for new and improved boring tools. The combined wheel bit and reamer is intended to simultaneously bore and ream.
Date: February 15, 1921
Creator: Belcher, Mark
System: The Portal to Texas History
Patent for Extracting Liquid from Pulpous Material Machine (open access)

Patent for Extracting Liquid from Pulpous Material Machine

Patent for Extracting Liquid from Pulpous Material Machine that extracts oils and liquids from the remaining pulpous material from the process of grinding and cooking cotton. The main goal of this machine is to extract oil from cotton seed meal.
Date: February 10, 1920
Creator: Kinney, William L. & Cagle, Wiiliam E.
System: The Portal to Texas History
Constant-Volume Valve. (open access)

Constant-Volume Valve.

Patent for an improved constant-volume valve that helps regulate the flow of liquid through a passage with an automatic valve.
Date: February 28, 1922
Creator: Dewey, Maurice J.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for tools used for construction, plumbing, machinery, home renovations, and many more.
Date: February 27, 1923
Creator: Edwards, Charles R.
System: The Portal to Texas History
Pneumatic Disk Gin. (open access)

Pneumatic Disk Gin.

Patent for an improved version of a pneumatic disk gin. It has been designed for "ginning fibrous material, such as seed cotton" (lines 13-14) and improves the separation of the cotton and the seeds with the use of its perforated disks.
Date: February 14, 1922
Creator: Garner, James C.
System: The Portal to Texas History
Seed Cleaner (open access)

Seed Cleaner

Patent for cleaning seeds. This invention will improve seed cleaning and catch unwanted seeds.
Date: February 14, 1922
Creator: Garner, James C
System: The Portal to Texas History
Well-Drilling Device. (open access)

Well-Drilling Device.

Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date: February 10, 1920
Creator: Church, Walter Lee
System: The Portal to Texas History
Window Shade (open access)

Window Shade

Patent for "Improvements in Window-Shades" (line 6) including illustrations.
Date: February 10, 1920
Creator: Johnson, Charles G.
System: The Portal to Texas History
Staple-Setting Device. (open access)

Staple-Setting Device.

Patent for a staple setting device. This invention sets staples in blind slats and sticks with a special reference to assist with the setting of staples for the purposes of both construction and repair.
Date: February 21, 1922
Creator: Chamberlain, Kit Carson
System: The Portal to Texas History
Drill Bit (open access)

Drill Bit

Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date: February 24, 1920
Creator: Clements, Frank L., Jr.
System: The Portal to Texas History
Piston for Deep Well Pumps (open access)

Piston for Deep Well Pumps

Patent for the development of a new and improved deep well pump used for the pumping of oil.
Date: February 22, 1921
Creator: Humason, Granville A.; Bashara, Sam F. & Barraco, Paul J.
System: The Portal to Texas History
Saw Filer and Gummer (open access)

Saw Filer and Gummer

Patent for adding an attachment to aid in "sharpening and gumming the teeth of circular saws particularly such saws as are used in cotton gins" (lines 13-15). The attachment works with a device for which the inventor previously received a patent. (Patent No. 1,180,270)
Date: February 3, 1920
Creator: McMicken, Thomas W.
System: The Portal to Texas History
Strain Jacket for Telephone Poles (open access)

Strain Jacket for Telephone Poles

Patent for a new and useful improvement in strain jackets for telephone poles.
Date: February 22, 1921
Creator: McKnight, William M.
System: The Portal to Texas History
Oil Well Screen. (open access)

Oil Well Screen.

Patent for a new oil-well screen that prevents sand from entering an oil or water well but will allow oil and water through.
Date: February 14, 1922
Creator: Dobson, John A.
System: The Portal to Texas History