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1,291 Matching Results

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Farm-Gate (open access)

Farm-Gate

Patent for an improved hinge mounting for a gate to swing and to served as a stay or brace connecting a pair of posts supporting the gate. Also, a provision of a novel mounting and operating means for such a gate, including springs for raising the operating levers on the gate used to move the gate.
Date: August 23, 1921
Creator: Rawley, Fleming C.
System: The Portal to Texas History
Process of Treating Wood. (open access)

Process of Treating Wood.

Patent for less expensive chemical wood treatment that will not leach out, will make wood more durable, and preserve wood for multiple uses including marine construction.
Date: August 23, 1921
Creator: Chandler, Asa C. (Asa Crawford), 1891-1958
System: The Portal to Texas History
Roller Boring-Drill. (open access)

Roller Boring-Drill.

Patent for a roller boring-drill with improved arrangement of cutters on the head, and formation of teeth on the cutters. This new head design is better for drilling formations that are not brittle.
Date: August 23, 1921
Creator: Fletcher, Harold W.
System: The Portal to Texas History
Automobile-Signal. (open access)

Automobile-Signal.

Patent for a visual indicator signal for motor vehicles.
Date: August 9, 1921
Creator: Cobb, A.C.
System: The Portal to Texas History
Bandage (open access)

Bandage

Patent for a bandage made of elastic material which includes a flap that can be fastened, or unfastened, and which acts as a holder for an absorbent material that can be replaced.
Date: August 9, 1921
Creator: Kirwan, Leah M.
System: The Portal to Texas History
Printing-Case (open access)

Printing-Case

Patent for a printing case which can hold a camera and other appliances for printing photographs. This printing case can also be compactly folded for easy carry and transportation.
Date: August 9, 1921
Creator: Kelly, Leo A.
System: The Portal to Texas History
Tool-Joint (open access)

Tool-Joint

Patent for tool joints to be used in detachable connection between lengths of pipe. Specifically used with drill pipe for drilling deep wells for oil, gas, or water.
Date: August 2, 1921
Creator: Thomas, Avery H.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for wrenches that provides a means for engaging faces of the jaws to be renewed or changed. This improvement also allows for secure placement without loss of motion.
Date: August 2, 1921
Creator: Belcher, Mark
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.
Date: July 19, 1921
Creator: Duda, Oswald
System: The Portal to Texas History
Sleeve-Puller. (open access)

Sleeve-Puller.

Patent for simple and inexpensive sleeve puller, primarily for "pulling sleeves from the rear axle housing of a motor vehicle" (lines 13-14), with illustrations.
Date: July 12, 1921
Creator: Wilson, Joseph H.
System: The Portal to Texas History
Safety-Razor (open access)

Safety-Razor

Patent for a razor held in place by a guard that protects the user against injury and the razor against dulling. The safety razor is easy to clean and is designed to be "cheaply and easily manufactured" (lines 21-22).
Date: July 5, 1921
Creator: Benton, Columbus A.
System: The Portal to Texas History
Measuring Vessel. (open access)

Measuring Vessel.

Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
System: The Portal to Texas History
Packer for Wells (open access)

Packer for Wells

Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
System: The Portal to Texas History
Roadway. (open access)

Roadway.

Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
System: The Portal to Texas History
Bridge Construction. (open access)

Bridge Construction.

Patent for '' bridge improvements, especially for placement over gutters, ditches, and alike ''
Date: May 14, 1920
Creator: McKenzie, Philip A.
System: The Portal to Texas History
Safety-Lock For Doors and the Like. (open access)

Safety-Lock For Doors and the Like.

Patent for improvements in door safety locks. Adding this simple and easy to manufacture lock allows a door to be locked from the inside, making the door inaccessible to anyone on the outside.
Date: June 21, 1921
Creator: Kless, Herman L.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump designed to draw liquid, such as oil, from a well.
Date: June 14, 1921
Creator: Jones, Oceola
System: The Portal to Texas History
Pipe-Engaging Slip for Rotaries (open access)

Pipe-Engaging Slip for Rotaries

Patent for improving pipe engaging rotaries, with illustrations.
Date: June 7, 1921
Creator: Livergood, Gerald R.
System: The Portal to Texas History
Pump. (open access)

Pump.

Patent for a pump plunger for oil or water that is durable and will not require replacement.
Date: June 7, 1921
Creator: Humason, Granville A.
System: The Portal to Texas History
Treatment of Crude Petroleum for Purification. (open access)

Treatment of Crude Petroleum for Purification.

Patent for the purification of crude petroleum by separating impurities such as sand and clay using a heat treatment.
Date: June 7, 1921
Creator: Bostick, Joseph Wallace & Homer, Charles H.
System: The Portal to Texas History
Valve for Pumps. (open access)

Valve for Pumps.

Patent of a valve used on deep well pumps; that my contain sand, shale or sediment
Date: June 10, 1920
Creator: Shevlin, Miles
System: The Portal to Texas History
Well-Screen Cleaner. (open access)

Well-Screen Cleaner.

Patent for cleaning well screens and preventing oil well pipes from clogging to improve production.
Date: June 7, 1921
Creator: Bashara, Samuel F.
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