1,615 Matching Results

Search Results

Results: 1 - 24 next

Ball-Bearing.

Description: Patent for a new and useful ball bearing, including instructions and illustrations.
Date: October 17, 1899
Creator: Millen, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Phonograph-Machine.

Description: Patent for a new phonograph machine with improvements of sound-box-transversing mechanisms and uniformity of movements, including illustrations.
Date: April 17, 1906
Creator: Dubinski, Benjamin.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Artificial Teeth.

Description: Patent for the lower set of artificial teeth, "and aims to provide retainers and combine them with the plate, so as to hold the denture in place against accidental displacement during the process of articulation, prehension, mastication, and deglutition" (lines 10-15). This invention "provides retainers which fill a vacuum in the mouth never heretofore utilized in the construction of artificial teeth and which form a rest for the muscles in their contraction incident to the movements of the jaw… more
Date: September 17, 1895
Creator: Johnston, George A. & Carroll, Houston M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Autographic Register.

Description: Patent for an autographic register that provides "improved means for guiding, stamping, cutting, and filling a record-bill and discharging original and duplicate bills; [provides] improved means for guiding the strips of paper and holding the carbon or duplicating paper in operative position; furthermore, [provides] improved means for operating the several parts of the mechanism to insure accuracy and facilitate the subsequent permanent filing of the record-bills" (lines 9-19).
Date: September 17, 1895
Creator: Norcross, George A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for Aeroplane. This flying machine will automatically return to normal horizontal position if tilted.
Date: September 17, 1909
Creator: MacManus, Agustus, F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adjustable Split Lock-Nut or Union.

Description: Patent for an affordable and efficient coupling device for use "on valve rods of internal combustion engines, especially those used in automobiles and aeroplanes or on those motors or engines employing overhead valves and whereby the union or coupling may be readily and securely locked on a valve rod with sufficient resistance to withstand the strain of direct pressure" (lines 14-21).
Date: August 17, 1920
Creator: Dickinson, Harry E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gradometer.

Description: Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date: May 17, 1921
Creator: Hall, Sidney Wilson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tube-Expander

Description: Patent for a tube expander for setting boiler tubes in the holes in the tube-sheet, which provides simplicity and improvement of its construction.
Date: June 17, 1919
Creator: Walsh, Emmet
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lawn-Rocker.

Description: Patent for a lawn rocker improvement that provides swing and is durable and inexpensive.
Date: July 17, 1906
Creator: Coffy, Ida May
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Sand-Conveyers.

Description: Patent for a machine for "taking up and conveying sand into a suitable receptacle". Patent for breaking up sand and transferring it into a receptacle by means of circular cutters, conducting apron, inclined plate.
Date: July 17, 1877
Creator: Garcia, Rufino C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Transplanter

Description: Patent for a transplanter to move a rooted cotton plant and the soil around it to a different location. Illustrations included.
Date: September 17, 1912
Creator: Matthews, James T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Boring Machine.

Description: Patent for improved mechanism of well-boring machine in which it “composed of as few parts as possible, which will effectively grip and rotate a drill-rod or pipe containing coupling and reducing - nipples, or composed of length or sections of varying diameters without impeding the end movement or deranging the central position of said drill-rod or pipe, and without delaying the progress of the machine, to adjust or change any part or parts thereof, also to improve the means for gripping the dr… more
Date: June 17, 1902
Creator: Woods, Frank J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of Treating Ores.

Description: Patent for "an improved method of reducing gold and silver ores and recovering their metals." (Lines 10-11) Includes instructions and illustrations.
Date: November 17, 1896
Creator: Barbour, Thomas P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bag-Fasteners.

Description: Patent for "a new and useful improvement in the manner of fastening bags and attaching labels or shipping directions" (lines 4-7) including illustrations.
Date: June 17, 1879
Creator: Terrell, Will
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thill-Coupling.

Description: Patent for improvements in thill-couplings by using a combination of forward extension arms, having each near its forward end, circular shoulders, adapted to engage the ends of the shaft-iron; the spring-catch for holding the lever arm in locking position and, for retracting arm when the catch is released. Illustration is included.
Date: March 17, 1891
Creator: Bryan, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hoeing-Machine

Description: Patent for improvements to hoeing machines "as will cause the hoes to cultivate around the particular plant pointed out without it being necessary for the indicator to remain at rest while each plant is being hoed; second, to provide a pair of oscillating disks that cultivate before and behind the plant as they oscillate across the row" (lines 15-21).
Date: June 17, 1890
Creator: Hurd, Judson B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrical Testing Device.

Description: Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrical Testing Device

Description: Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen