UNT Libraries Government Documents Department - 66 Matching Results

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Lamp-Socket.

Description: Patent for an electric lamp socket that regulates the intensity of the current passing through the socket. It has multiple contact posts and a manually operated slide that makes contact with the posts.
Date: February 13, 1912
Creator: Hall, James Monroe
Item Type: Refine your search to only Patent

Sulky Plow.

Description: Patent for a new and improved sulky plow. This design "consists in a sulky-plow constructed with the sliding block carrying the adjustable wheel locked in place by a sliding spring-pressed bolt and withdrawn by means of an elbow-lever. The sliding wheel-carrying block is provided with rack-teeth engaging with the teeth of a double-gear wheel placed loosely upon the journal of the plow-crank, and connected with the plow-crank lever by a pawl, whereby the machine can be leveled and the plow adjus… more
Date: October 9, 1883
Creator: Henderson, William Chancy
Item Type: Refine your search to only Patent

Leaf-Turner.

Description: Patent for a new and improved leaf turner which allows the piano player to turn the pages of their sheet music without taking their hands off the keyboard. This leaf turner is "noiseless and efficient in operation and...will respond instantly to the actuating impulse" (lines 21-23). It is not expensive to make, and securely holds music and releases it without effort.
Date: January 11, 1921
Creator: Holcom, Jarret C.
Item Type: Refine your search to only Patent

Spring Wheel.

Description: Patent for a spring wheel with a pneumatic tire that neither punctures nor becomes flat. The spring wheel construction has springs between the inner and outer rims.
Date: August 10, 1920
Creator: Horne, Henry M.
Item Type: Refine your search to only Patent

Vehicle-Tire

Description: Patent for a bolt-free spring connection between a vehicle tires inner and outer rims, allowing for an air cushion between rims and improving overall performance of vehicle tires.
Date: September 18, 1917
Creator: Horne, Henry M. & Buford, John C.
Item Type: Refine your search to only Patent

Carriage Top Prop.

Description: Patent for a new and improved prop for carriage tops. This design consists in "a prop-joint for vehicles, the combination of the bow, the prop-casting having the circumferential flanges lying against the opposite sides of the bow, and the opposite extension plates lying against and secured by screws to the rear edges of the bow" (lines 70-75).
Date: July 31, 1888
Creator: Jacobs, William Ramsey
Item Type: Refine your search to only Patent

Gate for Railway Tracks.

Description: Patent for a new and improved gate. This design consists in "[t]he combination, with a shaft crossing a railway-track and provided with weighted depending ends, with rollers connected eccentrically to said ends, a gate connected to said shaft, and lever and bar apparatus for operating said weighted ends from the vicinity of the rails" (lines 41-47).
Date: December 25, 1888
Creator: Jacobs, William Ramsey & Houston, Samuel Callahan
Item Type: Refine your search to only Patent

Railroad Gate.

Description: Patent for a new and improved railroad gate. This design "has relation to railroad-gates of the class that is designed to be erected at the lines of fences for the purpose of preventing cattle and stock from passing from one field to another, and further designed to be opened by the wheels of a passing train, and automatically closed after the train has passed; and the invention consists in the construction and novel combination of parts" (lines 20-28).
Date: June 1, 1886
Creator: Jacobs, William Ramsey & Houston, Samuel Callahan
Item Type: Refine your search to only Patent

Measuring-Dispenser.

Description: Patent for a fluid measuring dispenser with a dispensing receptacle, measuring scale, and cooperating gauge. The gauge displays the exact quantity of fluid dispensed as well as the amount remaining in the receptacle.
Date: January 7, 1919
Creator: Mauldin, Collumbus S.
Item Type: Refine your search to only Patent

Automatic Quick-Acting Vise.

Description: Patent for a quick-acting, easily operated vise "in which the jaws are automatically held closed upon the work until released." Its simple construction enables it to be inexpensively and efficiently manufactured.
Date: August 14, 1917
Creator: McCullough, Daniel B.
Item Type: Refine your search to only Patent

Hearth for Fire Places.

Description: Patent for a new and improved hearth for fireplaces. This design "ha[s] a depression in its upper side, and a lid hinged to the hearth at the rear end of the depression, so as to fill the same when not in use" (lines 93-96).
Date: July 26, 1887
Creator: Moore, John Thomas
Item Type: Refine your search to only Patent

Faucet.

Description: Patent for an improvement on a previous faucet, patent no. 539,633. This faucet is "a valve-seat consisting of a cylinder having an internal shoulder, a tubular valve operating within said cylinder and below said shoulder, a packing-ring carried by said valve and engaging said shoulder, a piston-road attached to said valve for operating the same, and a drop-valve in the lower end of said tubular valve, substantially as specified" (lines 60-69)
Date: January 18, 1897
Creator: Murphy, George S.
Item Type: Refine your search to only Patent

Peanut-Planter.

Description: Patent for a device that evenly and uniformly deposits peanut seeds during the planting operation whereby the required quantity of seed may be deposited in the soil. The device contains a supplemental container, separate from the main container, where the supplemental container can uniformly divide seeds for planting.
Date: May 28, 1918
Creator: Norman, William A. & Norman, Mack D.
Item Type: Refine your search to only Patent

Horse-Power.

Description: Patent for a new and improved "horse-power" (motor). This design utilizes a central pinion and a counter-wheel to accelerate the rest of the motor with minimal friction and minimal complicating of design.
Date: January 29, 1878
Creator: Randall, John C.
Item Type: Refine your search to only Patent
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