UNT Libraries Government Documents Department - 10 Matching Results

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Automatic Service Cock.

Description: Patent for a new and improved automatic service cock. This design "furnish[es] an improved automatic valve to form the connection between the water-main or distributing pipe and the service-pipe of a building for regulating the flow and pressure of water in such service-pipe and preventing overpressure" (lines 7-12).
Date: December 20, 1881
Creator: Freeman, William R.
Item Type: Refine your search to only Patent

Bench Clamp.

Description: Patent for a new and improved bench clamp. This design, "[b]eing made of iron or other suitable material . . . is strong, durable, and inexpensive. It requires no bolts or screws to secure it to the work-bench or other object where its use may be required, and can be put in position and removed easily and quickly. It occupies but little room on account of its compactness, and can be applied to any piece of work without marring it" (lines 72-80).
Date: January 25, 1881
Creator: Murphy, James
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved design for freight car coupling. This design calls for a sliding block, with the assistance of metal pins, to lock the link between two freight cars firmly in place. This eliminates the possibility of accidental disconnect.
Date: January 11, 1881
Creator: Upson, Bolivar J.
Item Type: Refine your search to only Patent

Car Truck.

Description: Patent for a new and improved car-truck. This design "consists in providing the lateral guide-wheels with long axles which are inclined at an angle of about forty-five degrees to the ordinary truck-wheels, and in providing the bolsters of the truck with a central opening, and otherwise constructing the same with a view to attachment of such inclined axles" (lines 17-24).
Date: February 22, 1881
Creator: Beaumont, Franklin, Jr.
Item Type: Refine your search to only Patent

Method of Working Hydrated Volatile Refrigerating Agents, and Apparatus for Ice Making and Refrigeration.

Description: Patent for a new method of working hydrated volatile refrigerating agents and a new refrigerator. This design "involve[s] the use of such highly volatile matters as are capable of hydration — as, for instance, ammonia, that being the refrigerating agent preferable to all others . . . [and] is a simplification in the mode of operation, and in apparatus which enables the employment of comparatively unskilled labor, the production of apparatus at comparatively low cost, and the working of the ammo… more
Date: August 2, 1881
Creator: Rose, Thomas
Item Type: Refine your search to only Patent

Pressure Regulator for Fermented Liquids.

Description: Patent for a new and improved pressure regulator for fermented liquids. This design "has for its object to provide an improved automatic hydraulic apparatus for supplying compressed air to kegs or casks containing fermented liquids, to replace the vacuum caused by drawing off a portion of the said liquid, and thus to maintain a uniform pressure in such vessels as long as any portion of their contents remain to be drawn therefrom" (lines 8-15).
Date: December 27, 1881
Creator: Freeman, William R.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for a new and improved pump. This design "has been specially devised for use in pumping gas, air, or vapor — as in ice-machines, for instance — and mainly with reference to attaining circulation with low pressure; but when operated at high speed considerable pressure may be attained therewith, whether operating upon vapors or liquids, as . . . [the] pump involves a novel mode of operation, in that it possesses characteristics partially common to pumps of the rotary system, as well as to … more
Date: July 19, 1881
Creator: Rose, Thomas
Item Type: Refine your search to only Patent
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