82 Matching Results

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Alarm.

Description: Patent for an alarm designed to attach to windows or entryways and sound to alert residents of a burglary attempt, with illustrations.
Date: May 29, 1906
Creator: Hobbs, Francis Marion
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for an animal trap that requires the animal to fully enter the jaws of the trap to reach the bait and that reliably springs the trap upon the entrance of an animal but not when refilling the bait in the trap.
Date: March 26, 1907
Creator: Dubois, James Madison
Partner: UNT Libraries Government Documents Department

Clevis.

Description: Patent for improvements in clevises in which a clevis can be used upon plows or harrows. When it is used, it “will obviate the necessity of using links or open rings in connection with the clevis and the singletree, as well as enable the plowman to cause his plow to run in the soil any desired depth or to cut a narrow or wide furrow.” (Lines 16-20) Illustration is included.
Date: July 28, 1891
Creator: Bruton, Alonzo D.
Partner: UNT Libraries Government Documents Department

Burglar-Alarm.

Description: Patent for a portable device that can be hung on a door knob and sound an alarm when the knob is turned, including instructions and illustrations.
Date: August 18, 1914
Creator: Dick, Archie P., Jr.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Gin Flues

Description: Patent for a new and improved cotton ginning appartatus using a set a valves to throw lint-cotton into different rooms without stopping the gin (line 2), including illustration.
Date: August 13, 1872
Creator: Gaines, James W.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a pipe wrench. "One object of the invention is to provide an exceedingly simple, inexpensive, durable, and efficient" (lines 12-14) pipe wrench. "Another object of the invention is to obviate the use of link connections and yet obtain a positive binding action off the jaws upon the pipe, bolt, or other object to which the device may be applied." (lines 15-19)
Date: March 27, 1906
Creator: Coffman, Seburn E.
Partner: UNT Libraries Government Documents Department

Wagon-Bed Elevator

Description: Patent for a wagon-bed elevator that "is to provide an elevator for wagon-beds by means of which a single person can raise the bed from the wagon to any desired height and leave it suspended in position where it can be readily lowered upon the wagon again at any time" (p. 2).
Date: July 24, 1888
Creator: Holliday, William A.
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for an improved, simple, and efficient well sinking or drilling mechanism, especially meant for bit-securing devices, and the drill bits can be easily removed without removing the well tubing from the hole. The inventor uses "a stem or core carrying the drill bit and adapted to fit snugly in the bore of the tubing, together with a simple combination of devices whereby such stem or core can be locked against longitudinal and rotary movement by the manipulation of an operating rod which ex… more
Date: May 8, 1894
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for an Artesian or oil well drilling apparatus that has a detachable drill-bit in its tubing and has an "improved means whereby an expansion drill bit or blade of any preferred construction can be secured to or detached from the drill tubing without removing the latter from the well" (lines 12-15). The tubing does not accidentally detach, and the tubing can rotate in either direction.
Date: October 2, 1894
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes without removing the tubes from the well. It is meant for Artesian well-boring machines.
Date: April 9, 1895
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus meant "to provide improved means for adjusting and withdrawing drill-tools without removing the drill-rod to provide a folding reamer and means for adjusting the blades thereof, and to provide means for conveying water to the drill, whereby the drillings are carried up outside of the drill-rod or barrel" (lines 9-16).
Date: December 24, 1895
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus for boring Artesian and other wells. It is meant to "provide simple, efficient, and durable means for expanding or spreading the reamer-blades after the bit-carrying devices have been lowered sufficiently to arrange the reamer-blades below the plane of the lower end of the tubular drill-rod" (lines 10-17). Water pressure is also used to remove the cuttings from the boring-blades. Sections of cable that suspend and lower drill-bit carrying parts into the dril… more
Date: February 18, 1896
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Vehicle-Top.

Description: Patent for a canvas top for a wagon that is attached to wooden bows and can be folded up into a seat rest when not in use.
Date: July 9, 1907
Creator: Kelley, Harrall M.
Partner: UNT Libraries Government Documents Department

Mail-Box.

Description: Patent for a mail box, which is movable to allow it to be drawn closer to the road for mail delivery and then put back in its original position.
Date: July 12, 1910
Creator: Mills, Joseph H.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for "a trap of the character mentioned simple and efficient means for closing the entrance thereof, whereby an animal or fowl passing therethrough shall be prevented returning, and thus be held in the trap, and, further, to so construct such means as to permit the door of the trap remaining in an open position except when the animal or fowl attempts to pass out through the same, thereby affording a free passage to the interior of the trap and presenting and inducement for other animals o… more
Date: January 19, 1897
Creator: Williams, Lloyd Franklin
Partner: UNT Libraries Government Documents Department
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