UNT Libraries Government Documents Department - 476 Matching Results

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Watch Case Pendant.

Description: Patent for a new and improved watch-case pendant. This design "is to improve the construction of the bow and crown-holder of stem-winding watches, so that they will be prevented from working loose. Furthermore, to produce a bow and crown-holder which may readily be attached to watches having the ordinary holder thereon, and, finally, to produce a stem which shall be simple of construction, and which may be attached to a watch with but a slight expense" (lines 15-24).
Date: May 21, 1889
Creator: Rohrer, Edmond Charles & Joseph, Isidora
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Water Distilling Apparatus

Description: Patent for a water distilling apparatus. This invention is designed for condensing steam into distilled water. Additionally, the design is meant to separate empyreumatic gases from the water vapor during the distillation process. Illustration included.
Date: March 5, 1907
Creator: Lazenby, Robert S. & Lazenby, Henry C.
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Water Distributing Apparatus

Description: Patent for a water distributing apparatus. This inventions' design is for hot and cold water and used primarily in connection with heating or cooking stoves so as to utilize the heat furnished there in. Illustration included.
Date: May 21, 1907
Creator: Sanders, Henry M.
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Water Feeding Device

Description: Patent for "improvements in Water-Feeding Devices" (lines 5-6) to "adjust the rate of discharge of liquid...[and] whose adjusting means shall be capable of accurate regulation to vary the amount of liquid discharged in a given time" (lines 21-24) including illustrations.
Date: June 23, 1914
Creator: Walkup, John A. & Walkup, Charles W.
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Water-Gage.

Description: Patent for a water-gage measuring the height or volume of water in a steam boiler, particularly those "held closed by the weight of the operating handle" (lines 11-12). The device is designed for simple manufacture and easy assembly & disassembly without tools, and features a valve seat that stays in place, illustrations included.
Date: December 30, 1919
Creator: Leidecker, Helmoth M.
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Water-Wheel.

Description: Patent for a water-wheel. The object of this invention is to provide a water-wheel in which the energy of the water shall act upon a series of peripheral buckets on a principle of hydraulic pressure in contradistinction to that of mere impact and momentum.
Date: January 26, 1892
Creator: Walker, James C.
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Wave-Motor.

Description: Patent for a simple and effective apparatus that utilizes wave power. It consists of a frame with a casing on the top that extends from the normal trough to crest lines of waves, a float, a pump with the center below the float, a discharge pipe connected to the pump, anchors and braces for the pump, a joint that connects the pump with a pile, guide rolls, and inlets and outlets on opposite sides of the pump.
Date: December 12, 1893
Creator: Walker, James C.
Item Type: Refine your search to only Patent

Wave-Motor.

Description: Patent for a wave motor that gathers and stores power from the full force of the waves in their rise and fall. The motor operates a drive shaft.
Date: March 6, 1894
Creator: Walker, James C.
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Wind-Wheel.

Description: Patent for a wind-wheel that "needs no guiding vane or tail, but shall turn in the same direction at all times regardless of the direction of the wind" (lines 8-11). It is a horizontal wind wheel that rotates on a vertical axis. The blades automatically opens on one side and close on the opposite side.
Date: September 26, 1893
Creator: Walker, James C.
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Wire Fabric

Description: Patent for an improvement on wire fabrics for multiple usages. Designed to be used without external fasteners, which in turn increase the durability of the wire.
Date: May 24, 1920
Creator: Baker, William E.
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Wrench.

Description: Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date: July 29, 1913
Creator: McGill, Wisdom
Item Type: Refine your search to only Patent
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