Apparatus for Separating or Concentrating Ores (open access)

Apparatus for Separating or Concentrating Ores

Patent for improvements in apparatus for separating or concentrating ores through a flotation method.
Date: August 31, 1920
Creator: Cole, David
System: The Portal to Texas History
Bit-Hoist (open access)

Bit-Hoist

Patent for easy removal of bits from drilling machines.
Date: February 11, 1919
Creator: Parrish, Benjamin Eugene & Stage, Solomon
System: The Portal to Texas History
Lock-Strike. (open access)

Lock-Strike.

Patent for simple and durable lock plates for door frames. This patent is for the keeper plates for door locks and is an invention "for rendering the plate adjustable both vertically and horizontally without detaching the same from the door jamb" (lines 11-14). Includes one illustration page and description.
Date: July 9, 1918
Creator: Russell, Leo
System: The Portal to Texas History
Toy (open access)

Toy

Patent for improvements in the construction, arrangement, and combination of parts used in building articulated toy snakes that mimic the animal's movement. The patent and illustrations describe the shapes of the toy's sections and the manner of their hinged connection to one another.
Date: September 19, 1922
Creator: Davis, William Theodore
System: The Portal to Texas History
Process of and Apparatus for Treating Oil (open access)

Process of and Apparatus for Treating Oil

Patent for a process of and an apparatus for treating oil in a more efficient manner.
Date: January 7, 1919
Creator: Seibert, Frank M. & Brady, John D.
System: The Portal to Texas History
Underreamer for Reaming Out Producing-sands. (open access)

Underreamer for Reaming Out Producing-sands.

Patent for "underreaming tools or bits which can be adjusted from the top of the well and which can be set at the required angle..."
Date: September 21, 1920
Creator: Lambeth, Acey L.
System: The Portal to Texas History
Paint. (open access)

Paint.

Patent for paints for roofs and for barns to prevent leaks and efficient in preserving the material of buildings at a relatively small costs.
Date: July 20, 1920
Creator: Watson, Grover C.
System: The Portal to Texas History
Drill-Bit (open access)

Drill-Bit

Patent for Drill-Bit that is especially designed for purpose of drilling through rock, or other hard formations and is also adapted for use in drilling through softer formation, such as shell.
Date: June 10, 1919
Creator: Culmore, March J. A.
System: The Portal to Texas History
Display-Stand. (open access)

Display-Stand.

Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
System: The Portal to Texas History
Process of Mining Sulfur. (open access)

Process of Mining Sulfur.

Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as melting sulfur is concerned" (lines 55-60).
Date: December 27, 1921
Creator: Drachenberg, August Toby
System: The Portal to Texas History
Method of Sealing the Walls of Deep Wells (open access)

Method of Sealing the Walls of Deep Wells

Patent for a new and useful method of dealing the walls of deep wells in which the means for lining oil wells by the use of the customary metal casing is avoided, the cost is very materially reduced, and numerous expenses and failures are avoided.
Date: November 29, 1921
Creator: Nolan, William E.
System: The Portal to Texas History
Compression Indicator (open access)

Compression Indicator

Patent for a device that determining the compression of engine cylinders. Is meant to provide a more efficient and quicker way to test compression in explosive engine cylinders.
Date: November 26, 1918
Creator: Lambeth, Acey L.
System: The Portal to Texas History
Oil or Gas Cooking-Stove (open access)

Oil or Gas Cooking-Stove

Patent for a gas or oil cooking stove. The gas or oil cooking stove is designed to save fuel, maximize utilization of heat, and eliminate the smell of gas or oil in cooking.
Date: May 12, 1914
Creator: Seale, Jefferson W.
System: The Portal to Texas History
Upholstery. (open access)

Upholstery.

Patent for an improvement in upholstery, more specifically, inflatable type upholstery; includes illustrations.
Date: July 13, 1915
Creator: Dodd, Laura L.
System: The Portal to Texas History
Pistol- Holster (open access)

Pistol- Holster

Patent for a pistol holder. The holder will secure the pistol in the position that it should be in, at all times.
Date: January 4, 1916
Creator: Parrish, Byron B.
System: The Portal to Texas History
Roller Bearing (open access)

Roller Bearing

Patent for Roller Bearing
Date: January 2, 1917
Creator: Galbraith, David G.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a new and improved wrench, which is especially useful for machinists. The improvement to existing wrench technology is present in positions where a thin jaw wrench is necessary and in removing parts upon which an ordinary nut wrench, even thin jawed, would act.
Date: May 6, 1913
Creator: Seale, Jefferson, W.
System: The Portal to Texas History
Table Cloth Clasp. (open access)

Table Cloth Clasp.

Patent for table cloth clasp, "which may be readily detachably connected with the table top, will securely hold the table cloth in place thereon, and will be entirely concealed by the table cloth" (lines 14-17).
Date: February 14, 1913
Creator: Hatzfeld, Charles
System: The Portal to Texas History
Oil-Well Drill (open access)

Oil-Well Drill

Patent for an Oil-Well Drill with the "...object of the invention being to provide means to prevent the drill from becoming unscrewed from the drill rod and dropping into the bottom of the well" (lines 12-16).
Date: December 29, 1916
Creator: Parker, Roy B. & Spurlock, Robert C.
System: The Portal to Texas History
Permutation-Lock. (open access)

Permutation-Lock.

Patent for "new and useful improvements in permutation-locks." (Lines 6-7) This lock is specifically designed to protect delivered milk bottles from theft.
Date: November 13, 1917
Creator: Kirkpatrick, Otey R.
System: The Portal to Texas History
Electric Connection for Automobile-Lamps. (open access)

Electric Connection for Automobile-Lamps.

Patent for electric connection for automobile lamps that has an improvement in electric connections or plugs for incandescent electric-lamps for automobiles.
Date: September 11, 1917
Creator: Kearby, John Gallatin & Robinson, Zephaniah
System: The Portal to Texas History
Churn-Body. (open access)

Churn-Body.

Patent for a churn body with a temperature regulator for the cream.
Date: December 13, 1910
Creator: Liles, William W.
System: The Portal to Texas History
Churn-Dasher. (open access)

Churn-Dasher.

Patent for a churn dasher, which churns cream better and faster.
Date: December 27, 1910
Creator: Liles, William W.
System: The Portal to Texas History
Apparatus for Treating Ankylosis of the Knee (open access)

Apparatus for Treating Ankylosis of the Knee

Patent for an apparatus for treating knee ankylosis that is ready to use at a moments notice "without unnecessary or nervous shock to the invalid to apply the requisite heat, extension, and flexion to an afflicted part to render it supple and restore to its natural functions". (lines 11-15).
Date: September 19, 1905
Creator: Norwood, Robert R.
System: The Portal to Texas History