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Method of Working Volatile Hydrates for Artificial Refrigeration.

Patent for a new and improved method of working volatile hydrates for refrigeration. This invention "consists in the continuous circulation through a chamber to be refrigerated of aqueous solution of volatile matter previously cooled by the expansive elimination therefrom of a portion of said volatile matter" (lines 64-68).

Date: July 26, 1881

Creator: Rose, Thomas

Partner: UNT Libraries Government Documents Department

Trace Lock for Harness.

Patent for a new and improved trace-lock for harnesses. This design consists in "the combination of the bolt, the metal strap secured to the trace, provided with the recess, the projection, and the slot having the enlarged opening, the locking-plate pivoted on the recess having the opening, and the spring" (lines 72-77).

Date: June 26, 1888

Creator: Anderson, Lee

Partner: UNT Libraries Government Documents Department

Trace Attachment.

Patent for a new and improved trace attachment. This design "relates to an improvement in couplings for tug-straps, and has for its object to provide a simple, economical, and durable device, capable of convenient manipulation, and whereby the tug-strap may be expeditiously attached to the cockeye of the whiffletree or detached therefrom" (lines 8-14).

Date: November 26, 1889

Creator: Turman, William F.

Partner: UNT Libraries Government Documents Department

Telephone System.

Patent for a telephone system that can be used for long distance calls.

Date: September 26, 1911

Creator: McKibben, Charles W.

Partner: UNT Libraries Government Documents Department

Milk-Cooler.

Patent for certain new and useful improvements in milk coolers, including instructions and illustrations.

Date: July 26, 1898

Creator: Estelle, Rhodes

Partner: UNT Libraries Government Documents Department

Tooth

Patent for an artificial tooth. Illustrations included.

Date: July 26, 1910

Creator: Stallman, George E.

Partner: UNT Libraries Government Documents Department

Mantel

Patent for an invention that can be applied to a mantel, consisting "essentially, of a flexible screen, guard, or shield adapted to wind upon a roller, the latter being housed in the space formed between the shelf off the mantel and the headboard" (lines 22-25). It is intended to prevent fire from getting into the from from the fire, control heat radiation, and provide a closure for the fireplace when it is not in use.

Date: June 26, 1900

Creator: Cox, Thomas J.

Partner: UNT Libraries Government Documents Department

Means for Taking Up Wear on Vehicle-Axles

Patent for an "apparatus for taking up wear upon vehicle axles" (lines 17-18). Illustrations included.

Date: November 26, 1907

Creator: Short, William A.

Partner: UNT Libraries Government Documents Department

Mantel.

Patent for fireplace guards that connect to mantels, which can be folded out of sight, or rolled out to prevent sparks or closing off the fireplace when not in use.

Date: June 26, 1900

Creator: Cox, Thomas J.

Partner: UNT Libraries Government Documents Department

Tobacco Pouch

Patent for a tobacco pouch. The invention is a case that contains tobacco and cigarette-papers. There is a trough in the case to hold the perfect amount of tobacco to make a proper cigarette. Illustration included.

Date: March 26, 1907

Creator: Head, Benson J.

Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Patent for an improvement in plows which will allow for adjustments in width.

Date: June 26, 1876

Creator: Traweek, Robert C.

Partner: UNT Libraries Government Documents Department

Process of Roasting Ores.

Patent for a process for roasting ores "wherein the ore is conveyed by an air-blast to and through a roasting-chamber" (lines 12-14), including illustrations.

Date: May 26, 1903

Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.

Partner: UNT Libraries Government Documents Department

Pump-Controlling Switch.

Patent for a pump controlling electric switch that automatically turns on the pump when water covers it and turns off the switch when it is dry.

Date: September 26, 1911

Creator: Gamer, Charles

Partner: UNT Libraries Government Documents Department

Tool for Lowering and Raising Well-Tubes

Patent for a tool used for lowing and raising well tubes. Illustrations included.

Date: July 26, 1910

Creator: Hardy, Paul

Partner: UNT Libraries Government Documents Department

Trace Fastener

Patent for trace fastener. Illustration included.

Date: February 26, 1907

Creator: Simonds, John W.

Partner: UNT Libraries Government Documents Department

Trace - Fastener

Patent for improved spring activated trace fastener.

Date: June 26, 1900

Creator: Woods, Washington Green Lee

Partner: UNT Libraries Government Documents Department

Tool For Removing Floors, Ceilings, Sidings, &c.

Patent for a tool that removes floors, ceilings, sidings, and more. Illustration included.

Date: April 26, 1904

Creator: Harmon, William O. & Quarles, Alexander H.

Partner: UNT Libraries Government Documents Department

Process of Concentration

Patent for the invention that relates to a process of separating a conductive substances from a nonconductive substance, and more particularly to the seperation by means of electrifying conducting particles and repelling said particles, while the non-conductive substances are not so repelled (lines 10-16).

Date: March 26, 1901

Creator: Sutton, Henry M. & Steele, Walter L.

Partner: UNT Libraries Government Documents Department

Tie.

Patent for a railway tie that has a stronger attachment to the rails than other models.

Date: December 26, 1911

Creator: Wade, James T.

Partner: UNT Libraries Government Documents Department

Spark-Plug

Patent for a spark plug used in explosive engines. Illustrations included.

Date: July 26, 1910

Creator: Estes, Robert E. & Inman, John P.

Partner: UNT Libraries Government Documents Department

Spirit Level.

Patent for a spirit-level by Allan T. Gibson. Meant for helping users obtain level and perpendicular lines with more ease and accuracy, as well as for determining any intermediate angle.

Date: June 26, 1906

Creator: GIbson, Allen T.

Partner: UNT Libraries Government Documents Department

Stalk Cutter.

Patent for a new and improved stalk cutter. This design has "the combination of the A-shaped frame, consisting of side pieces hinged together at their forward ends, and provided with lateral projecting knives or cutters and horizontal slots, in which work set-screws for adjusting the cross-braces, tongue or pole, hinged at its rear-end to a bracket, vertically adjustable on the front side of [the] cross-brace, and the seat-bar hinged or otherwise secured to the underside of [the] cross-brace" (… more

Date: April 26, 1881

Creator: Horn, John W.

Partner: UNT Libraries Government Documents Department

Spring Draft Attachment.

Patent for a new and improved spring-draft attachment. This design "is to do away with the ordinary doubletree . . . which is especially adapted for a two-horse vehicle, which . . . prevents the horses from pulling against one another, [and ] prevents the pole from swaying sidewise" (lines 10-18). It "consist[s] of a frame provided with an eye at one end and with a cross-bar near its center, a draw-bar having one end screw-threaded and provided with an eye at its other end and with a collar at … more

Date: July 26, 1892

Creator: Tiner, John F.

Partner: UNT Libraries Government Documents Department

Process of Making Lubricants.

Patent for "an improved process for making a lubricant especially adapted for parts of moving machinery which will be efficient to keep said parts and their bearings cool and which may also be used to cool heated journals and bearings" (lines 11-16).

Date: March 26, 1901

Creator: Hudnall, Millard Stewart

Partner: UNT Libraries Government Documents Department

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