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Valve

Description: Patent for a tank valve. Illustrations included.
Date: November 12, 1912
Creator: Roberts, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sheep-Shearing Machine

Description: Patent for an invention "to prevent these great losses to the sheep-owners of the country by producing a shearing-machine which will shear the sheep rapidly and evenly, and at the same time avoid cutting the sheep, thus preventing the injury to and loss of thousands of sheep yearly, and also increasing the market value of the wool" (lines 44-51).
Date: June 12, 1888
Creator: Richardson, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pecan-Cracker.

Description: Patent for a nut cracker designed especially with pecans in mind. It crushes the pecan shell without damaging the kernel inside.
Date: May 29, 1917
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burbank & Babbitt

Description: Business correspondence written on letterhead from the late 19th century. Letterhead includes decorative images, livestock illustrations, and business name in lithographic print by Clarke & Courts Lith. Galveston, Tex.
Date: 1891
Item Type: Refine your search to only Letter
Partner: Texas General Land Office

The Deervale Ranch Co., Limited

Description: Business correspondence written on letterhead from the late 19th century. Letterhead includes livestock illustration and business name, with text reading: "Deervale Ranch, Menard County." Letterhead contains the names Kennedy & Roberts, Managers.
Date: 1891
Item Type: Refine your search to only Letter
Partner: Texas General Land Office

J. W. White, Manager of Littlefield & White Pastures

Description: Business correspondence written on letterhead from the late 19th century. Letterhead contains cattle illustration and stylized business name with text reading: "Comprising 110,000 Acres in Mason, Kimble and Menard counties"; "Dealer in Steer Cattle." Letterhead includes the names G. W. Littlefield, Austin, Texas; J. W. White, Mason, Texas.
Date: 1898
Item Type: Refine your search to only Letter
Partner: Texas General Land Office

Safety-Clamp.

Description: Patent for safety clamp "designed with special reference to supporting well-tubing in place in shallow or deep wells" (lines 8-10).
Date: November 11, 1902
Creator: Treadwell, Cornelia E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sam'l. Wallick & Co.

Description: Business correspondence written on letterhead from the late 19th century. Letterhead includes decorative images and business name with text reading: "Dealers in Dry Goods, Groceries and Genr'l Merchandise."
Date: 1890
Item Type: Refine your search to only Letter
Partner: Texas General Land Office

Rod-Coupling.

Description: Patent for rod couplings for windmill pumps, which allows the rods to be quickly hooked and unhooked.
Date: May 18, 1909
Creator: Cole, Bengamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dirigible Automobile-Headlight.

Description: Patent for a simple, sturdy mounting for automobile headlights that connects them to the steering gear. It enables the headlights to turn in the same direction as the front wheels of the vehicle, thus continually lighting the direction of travel, even when turning.
Date: September 18, 1917
Creator: Taylor, Martin L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Coupling.

Description: Patent for improvements to couplings for windmills specifically "for use in connecting the pump rod to the reciprocal rod of the windmill, so as to permit reciprocation of the wind mill rod independently of movement of the pump rod, and which also will permit the relatively quick and easy change from windmill power to engine power, such as gasolene engine or the like, for pumping water from wells" (lines 9-17) including instructions and illustrations.
Date: March 29, 1921
Creator: Regenier, John G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a simple, efficient, and reliable car-coupling that is meant to be especially safe. When the cars become uncoupled, the coupling is automatically reset to couple another car, and it can be easily applied to a drawhead to a car in use.
Date: February 5, 1895
Creator: Schneider, Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Trough-Valve.

Description: Patent for improvements in animal watering troughs that has an automatic float control valve in connection with the trough.
Date: July 20, 1920
Creator: Striegler, Fritz
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compensating Pump-Spring.

Description: Patent for improvements in compensating pump-springs by “storing up in the downward or idle stroke of the suction-rod, a power which is expended during the upward stroke to assist the crank in lifting the rod; and at the same time reducing the power required to drive the pump, equalizing the resistance, increasing the efficiency and generally prolonging the life of the entire mechanism.” (Lines 36-40) Illustration is included.
Date: April 21, 1891
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compensating Pump-Spring.

Description: Patent for an improvement on the inventor's previous patent (No. 450,657). The improvements include getting rid of the sleeve, and "employ[ing] volute springs instead of the straight flat springs formerly used; [the inventor] also dispense[s] with the links and connect the inner ends of the springs to long pitmen which have a pivotal connection with the suction rod at a point above the springs; [the inventor] furthermore provide[s] a means for adjusting the tension of the springs without alteri… more
Date: April 11, 1893
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Trough Valve.

Description: Patent for Automatic Trough Valve that includes improvements to automatic float-controlled type vales for the watering of animals.
Date: November 6, 1917
Creator: Striegler, Fritz
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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