UNT Libraries Government Documents Department - 43 Matching Results

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Adjustable Mosquito-Canopy.

Description: Patent for an adjustable, simple, and easily used mosquito-canopy for beds that fits over any style and size of bed, and is easily removed.
Date: April 25, 1893
Creator: Eva, Addison H.

Apparatus for Training Troop in the Pointing of Guns

Description: Patent for improvements to apparatus to train troops in pointing and aiming various firearms. An electric lamp shines light through a tube to point at the target, with a shutter that can operate simultaneously with the trigger or remain open.
Date: April 26, 1921
Creator: Place, Olney

Attachment for Mowers

Description: Patent for a dividing and feeding mower attachment to guide grain into the cutters of the mowers in an upright position.
Date: April 13, 1915
Creator: Mosely, Jimmie E.

Axle Box.

Description: Patent for a new and improved self-oiling axle box. This design utilizes a sleeve with several small, oil-filled holes to be placed between the spindle and the axle box, which lubricates the machine and reduces friction. A nut keeps the spindle and axle box together.
Date: April 26, 1881
Creator: Barnes, Thomas J.

Buggy-Spindle

Description: Patent for a buggy spindle for "taking up lost motion in the axle box should it be too short or too worn" (lines 10-11). Illustrations included.
Date: April 21, 1908
Creator: Messer, Jeremiah Clark

Calendar

Description: Patent for a circular perpetual calendar.
Date: April 14, 1908
Creator: Rowe, Charles E.

Car Brake.

Description: Patent for a new and improved car-brake. This design consists in "brake-shoes [which] are jointed by pivots to brake-blocks of the usual form, which are suspended from the truck-timbers by suitable suspending links or clevises, so that they may have a free longitudinal movement when acted upon by the actuating mechanism, and said blocks and brake-shoes are separated by transverse brake-bars, in order that they may be kept truly in-line with the car-wheels at all times" (lines 16-25).
Date: April 5, 1887
Creator: Greer, John William

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design utilizes "a draw-head, formed with the usual flaring mouth, and interior cavity. . . . the interior of the draw-head is narrowing from the mouth to the center of the pin, and widening from the latter backward. The object of this construction is, that it directs the entering link to the pin, and increases the power of resistance of the latter to the strain" (lines 23-33).
Date: April 5, 1881
Creator: Nuckols, William L.

Car-Coupling.

Description: Patent for an improved device used to connect rail cars, including illustrations and descriptions of how the new coupling works.
Date: April 15, 1884
Creator: Hathaway, Charles L.

Car-Coupling.

Description: Patent for a car-coupling that provides "a link of this character which will remain set in a coupling position at all times, so that the coupling of the cars can be effected in an automatic manner" (lines 10-14). It can be easily adjusted to different heights and its construction prevents jerky movements.
Date: April 9, 1895
Creator: Yeiser, John C.

Case for Rural-Mail Carriers.

Description: Patent for a device to enable rural mail carriers to efficiently carry and store postal items for sale. The storage unit (device) is water-resistant to protect the items inside from inclement weather while delivering mail.
Date: April 24, 1917
Creator: Campbell, Guy

Churn.

Description: Patent for a churn for separating butter. Includes instructions and illustrations.
Date: April 6, 1897
Creator: Franklin, Edward A.

Clutch.

Description: Patent for a simple and inexpensive clutch used for transmitting power. The clutch has "independent rotable disks that act on peripheral eccentric proportions, which are so arranged that the said disk will be held free from contact with the drive-shaft and the entire bearing of the clutch mechanism thrown on the grip members, whereby the shaft-apertures in the disks can be made sufficiently large to overcome any irregularity of the bearing-faces of the internal cam portions and obviating the ne… more
Date: April 28, 1896
Creator: Carleton, Ernest WIlliam

Composition for Preserving Food

Description: Patent for "combustible compositions which, when ignited, produce a gas or gasses which have preservative and purifying effects upon various substances and surfaces or places exposed to the fumes. It is more especially designed, however, for preserving fruits, vegetables, meats, and other perishable articles." (lines 12-19).
Date: April 15, 1890
Creator: Radam, William

Dental Chair.

Description: Patent for a dental chair improvement.
Date: April 26, 1887
Creator: Stiles, Edmund P.

Electric-Lamp Socket.

Description: Patent for an improved electric lamp socket "having a pair of switches which are alternately closed and opened, and having means for the attachment thereto of three conductors, whereby it is possible to light the lamp by means of a main switch" (lines 11-15), including illustrations.
Date: April 4, 1916
Creator: Elliott, William Martin

Elevating Brick Car

Description: Patent for an elevating brick car. This invention "is to improve construction of elevating brick cars or trucks and to provide a simple, inexpensive, and efficient car or truck designed for use in a brick yard for carrying bricks from a machine to a yard, kiln, or drier" (line 11-17). Illustrations included.
Date: April 19, 1904
Creator: Zilker, Andrew J.; Tidmarsh, Albert L. & Armstrong, Charles J.

Flushing Tank

Description: Patent for a flushing tank. Illustration included.
Date: April 26, 1904
Creator: Walker, Benjamin, Jr.

Garden-Hose Reel.

Description: Patent for a garden hose reel that allows the hose to be used, while still on the reel and can be easily cleaned.
Date: April 25, 1911
Creator: Newton, Marvin G.

Hat-Fastener.

Description: Patent for an adjustable hat holder using a band and fasteners, with illustrations.
Date: April 9, 1901
Creator: Huppertz, Lina

Hat-Pin Point Protector

Description: This patent is for the device that is to be used for protecting the point of the hat pin, and the invention aims to improve the operative connection between the compartmental members which shield and grip the point of the pin.
Date: April 9, 1918
Creator: Koch, Charles Albert

Hunting or Shooting Garment.

Description: Patent for a coat for use while using firearms that has pads built into the shoulders to absorb the impact of the recoil of the gun and protect the shoulders from rubbing while carrying the gun.
Date: April 2, 1907
Creator: Petmecky, Fred
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