UNT Libraries Government Documents Department - 27 Matching Results

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Acetylene Gas Generator.

Description: Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.
Item Type: Refine your search to only Patent

Blade.

Description: Patent for a new blade similar to "weed blades" (line 10) that can be "attached to a cultivator" (line 11) and includes an illustration.
Date: July 15, 1913
Creator: Kelly, John H. & Mershon, John H.
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a simple, practical, and reliable car-coupling with a side latch. It is "adapted for automatic connection in pairs, when two cars having the improvements are brought together on the same track, which will be capable of a ready release from the side of either coupled car, and also that will be adapted by its peculiar formation to receive support from one part of the improvements, when a coupled drawhead is partly detached from its connections to the car, and which if not so sustained … more
Date: January 15, 1895
Creator: Curry, Charles D.
Item Type: Refine your search to only Patent

Cotton Harvester.

Description: Patent for improved cotton harvester consisting of the parts, constructions, arrangements, and combinations of parts. Patent includes figures for parts in several views.
Date: October 15, 1912
Creator: Upshaw, Lucius L.
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Cotton Seed Planter.

Description: Patent for a new and improved seed planter. This design "consist[s] of the hopper, the tapering feed-tube, the distributing-chamber provided with inwardly-projecting radial pins, the discharge-spout, and the shaft provided at its upper end with stirrer pins, at its middle part with a tapering feed-screw, and at its lower part with distributing pins" (lines 9-15).
Date: July 15, 1884
Creator: Hopper, Thomas Pinkney
Item Type: Refine your search to only Patent

Engineer's Graduating-Valve.

Description: Patent for an graduating valve that is used with air brake systems in railroad trains. The invention is meant to "produce a comparatively simple valve which is constructed in such a way that it is not likely to clog or get out of order, which is arranged so that successive regular reductions may be easily made in the pressure of air in the train service pipe, which is adapted to automatically act on the governor of the air pipe from pressure either above or below the main valve, which is constr… more
Date: August 15, 1893
Creator: Pelham, Walter O.
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Peanut Digger.

Description: Patent for new and useful improvements to a machine for harvesting or digging peanuts, including instructions and illustrations.
Date: May 15, 1917
Creator: Amos, Thomas E. & Abernathy, George J.
Item Type: Refine your search to only Patent

Safety-Casing Clamp

Description: Patent for a tool that supports the drilling and operating of oil and gas wells. Specifically, the patented tool allows a strong method of sealing the smaller casing inside the larger casing, as the larger casing is pulled out of the well. Includes illustrations.
Date: March 15, 1921
Creator: Angus, William M.
Item Type: Refine your search to only Patent

Sash-Fastener.

Description: Patent for a "device which will lock the sashes of a window when they are closed and which will secure them in any desired adjustment," (lines 11-14) including instructions and illustrations.
Date: March 15, 1892
Creator: Taber, William M.
Item Type: Refine your search to only Patent

Steam-Engine Governor.

Description: Patent for a governor meant to be used with a double cylinder single-action steam engine of Devoissaud's invention. It has "a plate-like governor valve having suitable steam ports, is introduced within a vertical channel formed in the single head plat that closes one end of two steam cylinders, which are located in the same vertical plane on a bed-plate; said valve being directly attached to, and controlled by the governor, for the alternate introduction of steam directly through the cylinder h… more
Date: May 15, 1894
Creator: Devoissaud, John P.
Item Type: Refine your search to only Patent

Surgical Instrument.

Description: Patent for a surgical instrument meant to help examine and treat the urethra and similar internal canals and passages. It can easily be cleaned and taken apart.
Date: January 15, 1895
Creator: Johnson, Emmet E.
Item Type: Refine your search to only Patent
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