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Car - Coupling

Description: Patent for a new and useful improvements in car-couplings. This design "relates to car-couplers of the pivoted-hook type" (line 11 -12).
Date: February 8, 1898
Creator: Chance, Ransom M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Core-Drill.

Description: Patent for a core drill for making bore holes in rocks to get out solid samples of the inside of rocks, which has an improved grabbing method for retrieving the piece of rock inside the hole.
Date: August 3, 1909
Creator: McLoughlin, Malacha J. & Wynn, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boiler Feeder

Description: Patent for a boiler feeder. This invention is intended to be placed above the boiler and via a regulator supplies water to the boiler.
Date: November 24, 1903
Creator: Herrington, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Boiler-Feed

Description: Patent for a steam boiler which automatically fills the boiler with water to the proper levels and keeps the levels steady.
Date: August 11, 1908
Creator: Twombly, Harry Denny
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Animal-Tread.

Description: Patent for improvements in animal-treads when “animal is placed in the tread, the single or double tree being attached to the arm c’, and thus in addition to his weight he will have his strength to operate the tread. The function of the rope and weight is to keep the traces and tree from under the animal’s feet in case he should slack his speed, and thus prevent his tripping.” (Lines 59-66) Illustration is included.
Date: June 16, 1891
Creator: Bevil, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for an adding-machine meant to "add fixed amounts of money received or to calculate the number of days a laborer has worked or the number of fractions of days" (lines 14-17). Mounted keys have mechanisms that rotate a ratchet wheel or disk. "Secured to the shaft upon which this ratchet wheel or disk is mounted is a rate-indicator, consisting of a disk divided off into radial sections, and also divided by lines running parallel to the circumference of said disk, dividing the same up into … more
Date: August 27, 1895
Creator: McElyea, James L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bit Cleaner

Description: Patent for a device that will clean drill bits used for wells without needing to remove them from the ground. Additional aspects of the patent cover fittings and attachments necessary for better operation of the drill bits and the cleaner.
Date: February 17, 1920
Creator: Robichaux, Sosthene
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bending-Machine.

Description: Patent for a new machine providing "a simple, efficient and easily operated fluid-pressure actuated machine" for the straightening of railway rails (lines 12-14)
Date: November 5, 1918
Creator: Keely, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Casing Head

Description: Patent for a Case-Head. This case-head is used in oil wells. Its purpose is to ensure a tight seal around a pipe so that gas can flow properly through the tube.
Date: August 10, 1918
Creator: Kinzbach, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new and improved wrench. This design "relates particularly to a combined pipe and nut wrench, and has for its object to provide a wrench of the class described which can be quickly changed to an ordinary wrench . . . [the] invention consists of a shank having a rigid jaw attached thereto, a movable jaw adjustable on the shank and an eccentrically-headed lever pivoted to the rear end of the movable jaw and bearing on the shank adapted to separate the rear end of the movable jaw and … more
Date: August 5, 1890
Creator: Hooks, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Knee and Head Block for Saw Mills.

Description: Patent for a new and improved knee and head block. This design consists, "with a saw-mill carriage, of a head-block extending flush with the outer edges of the tracks of said carriage and provided with the usual groove or recess extending the entire length of said head-block, a knee sliding in said groove and provided on its front vertical edge with a recess, and a log-supporter fitting flush within said recess and provided at its lower end with a forwardly-extending lug or projection" (lines 3… more
Date: April 29, 1890
Creator: Willis, George F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater for use in creating steam for oil and gas boilers, which heats faster than previous models.
Date: April 5, 1910
Creator: Hardie, Jeffie Watkins
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Log-Cart.

Description: Patent for a log-cart in which "one end of the log is elevated or drawn up underneath the axle, while the other end drags along on the ground" (lines 14-17). This design is more efficient than other models of log-carts.
Date: February 2, 1897
Creator: Moon, Robert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well Pumping Apparatus

Description: Patent for well pumping apparatus. This invention is designed for the improvement of pumping liquid from deep wells. Illustration included.
Date: September 29, 1908
Creator: Stephenson, William M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Log-Turner

Description: Patent for "that class of log-turners which is operated by power, and has for its object to provide a device that will be quick and positive in its operation" (lines 39-42).
Date: May 10, 1887
Creator: Ferris, Henry Murry & Gallon, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail-Box

Description: Patent for "a mail-box adapted to be placed at or on the house of the person receiving the mail, so as to facilitate a house-to-house delivery" (lines 8-11).
Date: June 4, 1901
Creator: Myer, Clayton Pittinger
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insect Destoyer

Description: Patent for an insect destroyer. "This invention relates particularly to that class of insect destroyers which contain pans of liquid into which the insects are shaken or enticed" (line 15-18). Illustration included.
Date: December 29, 1903
Creator: Sewell, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Toy Hoop

Description: Patent for improved features for mechanical toy hoops, particularly for toys utilizing trundling hoops.
Date: September 5, 1916
Creator: Giesecke, Leo
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a "pump for effectively pumping oil or quicksand from wells troubled with quicksand." (Lines 8-10) Includes instructions and illustrations.
Date: March 30, 1897
Creator: Wintz, James Philip
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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