52 Matching Results

Search Results

Rifle Bolt

Description: Patent for a new style of bolt for bolt action rifles. Designed with the purpose of fulfilling the same functionality as a bolt on the Springfield Rifle, while using less parts and requiring no other modifications to the Springfield rifle.
Date: October 2, 1916
Creator: Mudd, Thomas, O.
Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for a new and durable valve design, with illustrations.
Date: May 2, 1916
Creator: Villareal, Patricio
Partner: UNT Libraries Government Documents Department

Blind-Slat Fastener.

Description: Patent for improvements in shutter attachments, in which it locks the slats in place at a desired angle. Illustration is included.
Date: October 1, 1907
Creator: Winslow, Walter W.
Partner: UNT Libraries Government Documents Department

Combined Corn Sheller and Washboard.

Description: Patent for a new and improved corn-sheller and washboard. This design "consist[s] of the frame, the backing, the transverse rods secured to said backing upon one side thereof, the vertical strip upon the opposite side of said strip, and the transverse rods secured to the outer edge of said strip, the pivoted legs, and the bars" (lines 96-102). Said bars are pivoted to "side bars of the frame and at the other provided with elongated slots engaging pins on the legs" (lines 1-3).
Date: January 29, 1889
Creator: Stukes, John Marion & Reid, Oliver Phillip
Partner: UNT Libraries Government Documents Department

Front Sight for Firearms.

Description: Patent for a luminous rear sight for firearms of all types. Including Illustration.
Date: October 26, 1920
Creator: Kaempfer, Effie May Wagner
Partner: UNT Libraries Government Documents Department

Filter.

Description: Patent for new and useful improvements in filters, including instructions and illustrations.
Date: October 25, 1898
Creator: McLane, Albert L.
Partner: UNT Libraries Government Documents Department

Derailer

Description: This is a patent for a railway Derailer. This new derailer is less expensive, easier to manufacture, and will be an improvement over older models. For example, it is easier to attach to the rail track and more efficient at stopping railroad collisions.
Date: April 22, 1919
Creator: Gravis, James. C
Partner: UNT Libraries Government Documents Department

Registering Voting-Machine.

Description: Patent for a new and useful improvement in registering voting-machines.
Date: March 15, 1898
Creator: Woodman, George C.
Partner: UNT Libraries Government Documents Department

Instrument for Breaking Car-Seals.

Description: Patent for certain new and useful improvements in instruments for breaking car seals, including instructions and illustrations.
Date: June 14, 1898
Creator: Leyendecker, Thomas A.
Partner: UNT Libraries Government Documents Department

Combination Tool

Description: Patent for a combination tool. This invention combines tools for a variety uses and box to hold small items. Illustration included.
Date: July 14, 1903
Creator: Brunl, Louis
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. Illustrations included.
Date: April 21, 1908
Creator: Winslow, Walter W.
Partner: UNT Libraries Government Documents Department

Portable Gold - Washer

Description: Patent for a new and improved portable gold-washer. This invention is to "provide an improved substitute for the crude forms of portable good-washing apparatus frequently employed" (line 8-10).
Date: November 23, 1897
Creator: Kahn, Felix
Partner: UNT Libraries Government Documents Department

Ratchet-Drill

Description: Patent for adding mechanical improvements to ratchet drill tools. These improvements include improved adjustment efficiency and range.
Date: August 12, 1913
Creator: McMillan, Eugene C.
Partner: UNT Libraries Government Documents Department

Car-Roofing.

Description: Patent for "a novel and improved device for fastening corrugated sheet metal roofing, and the running board supports or blocks upon the car." (lines 9-12) including instructions and illustrations.
Date: March 23, 1915
Creator: Maness, William Curtain
Partner: UNT Libraries Government Documents Department

Composition for Removing Boiler-Scale

Description: Patent for "an extract of the plant know to botanists by the name 'Larrea Mexican,' to be used in removing boiler-scale and in preventing the reformation of the same" (lines 9-13).
Date: April 16, 1901
Creator: Pena, Benjamin
Partner: UNT Libraries Government Documents Department

Lubricator.

Description: Patent for a lubricating device for use on railroad cars, which continuously supplies lubricant to the journal box of the train car.
Date: October 6, 1908
Creator: Maness, William C.
Partner: UNT Libraries Government Documents Department

Revolving Target.

Description: Patent for "a revolving target of improved and simplified construction" (lines 15-17), with instructions and illustrations.
Date: October 5, 1886
Creator: Adams, William H.
Partner: UNT Libraries Government Documents Department

Chain Jack.

Description: Patent for new and useful improvements in chain-jacks. "This invention aims to provide a chain-jack for lifting the boxes of axles, so that the bearings or brasses therefor can be readily replaced, and is designed especially for use in cases of hot boxes on railway-cars" (line 11-15).
Date: February 18, 1902
Creator: Phillips, Henry S.
Partner: UNT Libraries Government Documents Department

Ventilator for Refrigerators.

Description: Patent for an improved, simple, and inexpensive ventilator for large refrigerators. It "can be readily applied to an ice box or refrigerator and so constructed that the hot air which is pressed upward is forced through the ventilator and thereby lowering the temperature of the ice box and a consequent saving of ice" (lines 23-28). The ventilator has a valve that releases hot air and automatically closes after the air is released.
Date: July 11, 1893
Creator: Netzer, Joseph
Partner: UNT Libraries Government Documents Department

Music-Holder.

Description: Patent for an adjustable, simple, inexpensive, and light music-holder that does not let the music slip and does not damage the music. The clamps will not get in the way of the music, and holds a book as easily as a sheet of music. Springs are not used, the staff is telescopic, and should be made from aluminum.
Date: April 30, 1895
Creator: Gross, Frederick D.
Partner: UNT Libraries Government Documents Department

Electric Battery.

Description: Patent for a new and improved electric battery. This design consists "[i]n an electric generator, a receptacle for steam, and means for admitting steam thereto, in combination with electrodes consisting of two parallel disks suspended within said steam-receptacle, electrodes of opposite polarity to the aforesaid electrodes arranged between the disks of the first-named electrodes, a shaft extending through the said receptacle upon which the latter electrodes are mounted, and means for rotating t… more
Date: April 19, 1892
Creator: Emley, James Edward
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: Patent for an inexpensive, simple, and durable automatic electric alarm that allows people in house or hotel rooms, mines, ships, shops, etc. to signal for another person. The alarm is wired to a clock so it can be programmed to go off at a certain time.
Date: January 7, 1896
Creator: Stansel, Thomas J.
Partner: UNT Libraries Government Documents Department

Combined Bucket Bail and Lid Fastener.

Description: Patent for a new and improved bucket-bail and lid-fastener. This design consists in "[t]he combination, with the bucket and the ears, of the wires pivotally connected to said ears, the links pivotally connected to said wires, the cross-wire connecting the said links, and the bail loosely connected with the ends of the said wire" (lines 92-97).
Date: August 27, 1889
Creator: Stukes, John Marion & Reid, Oliver Phillip
Partner: UNT Libraries Government Documents Department

Vehicle-Axle Bearing.

Description: Patent for a strong and durable vehicle-axle bearing that reduces friction. "Oil may be admitted to the bearings [in the axle] without removing the wheel or exposing said bearings, thus preventing accumulations of dust or other foreign substance" (lines 17-20).
Date: June 11, 1895
Creator: Falk, Franz
Partner: UNT Libraries Government Documents Department
Back to Top of Screen