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in creator/contributor: "Norris Peters Co."  
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Antifriction-Device-For-Sucker-Rods.

Description: Patent for an antifriction device designed to protect the rod (sucker rod), rope, or coupler from wear. A sucker rod joins the components of a piston pump in an oil well.
Date: November 4, 1902
Creator: Black, William Leslie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Antifriction device for sucker rods.

Description: Patent for "an improved antifriction device for use in connection with inclosed traveling rods and the like to reduce the wear occasioned by the rubbing of the rod in its casing, and at the same time to so far reduce the area of said antifriction device which projects from the rod as to interpose the least possible obstruction to the free passage of material in the casing."
Date: November 4, 1902
Creator: Black, William Leslie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Antifriction Clasp.

Description: Patent for a new and improved anti-friction clasp. This design "is to provide means whereby the wear due to the rubbing of inclosed rods or ropes against an inclosing casing may be reduced to a minimum and whereby the central alignment of the rods or ropes with respect to the inclosing casing may be accurately preserved" (lines 11-17). It consists in "a series of friction balls or rollers mounted therein and projecting from the periphery thereof and being divided into sections adapted to be cla… more
Date: October 25, 1892
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

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

Anti-Friction Sucker-Rod Coupling.

Description: Patent for an anti-frictioin sucker-rod coupling. This invention relates to certain new and useful improvements in sectional sucker-rods for artesian, oil, and other wells, and has for its object to provide an improved construction of coupling-joint for connecting the sections of the rods together.
Date: January 26, 1892
Creator: Black, William L.
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

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

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

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
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