UNT Libraries Government Documents Department - 63 Matching Results

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Slime-Pulp Thickener

Description: Patent for a device for thickening slime or pulp in the treating of ores wet milling. The device controls the disbursement of slim pulp in the thickener, producing a better solid to liquid ratios.
Date: August 17, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Post Hole Digger.

Description: Patent for a new post hole digger that both facilitates the creation of straight sides to the hole and a mechanism to allow for easy removal of the dirt.
Date: August 17, 1916
Creator: Armstrong, John Joshua, Sr.
Item Type: Refine your search to only Patent

Jar.

Description: Patent for a jar for thick semi-liquids such as mustard, which has a discharge spout in the side that allows the contents to be used without taking off the lid of the jar.
Date: August 17, 1909
Creator: Barr, George T., Sr.
Item Type: Refine your search to only Patent

Pruning Implement.

Description: Patent for a new and improved pruner. This design "has relation to that class of pruning elements in which a concave chisel-edge is formed in the upper end of the blade and one concave jaw of a pair of pruning-shears is formed at the lower end of the blade, while a saw is attached to one side of the blade and a pivoted jaw is attached to the lower end, operating together with the lower concave edge, and it contemplates certain improvements upon the pruning implement [of an earlier patent]" (lin… more
Date: August 17, 1886
Creator: Bartly, Robert
Item Type: Refine your search to only Patent

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

Heating Apparatus.

Description: Patent for a heating apparatus that heats and dries sand or other abrasive materials. A furnace or heating member is attached to a receptacle, which heats and dries the materials. Materials are drawn out via a suction pipe.
Date: August 17, 1920
Creator: Cleveland, David P.
Item Type: Refine your search to only Patent

Rotary Engine.

Description: Patent for a new and improved rotary engine. This design consists "[i]n a rotary engine, the combination of the wheel having two circumferential channels and radial recesses, with the notched pistons, fitted in the radial recesses of the wheel, and the adjustable cam connected with the side casings and fitted into the notches of the pistons" (lines 90-96).
Date: August 17, 1880
Creator: Cross, David L.
Item Type: Refine your search to only Patent

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

Improved Power-Apparatus for Vehicles

Description: Patent for "improvements to powered vehicles with combined rim-wheel(s) in combination with a truck(s), resting upon the inner and lower part of the rim, and supporting a carriage-body or frame, crank-shaft. with one or more pinions, and guide-rollers." (line 8)
Date: August 17, 1869
Creator: Dillaha, J. G.
Item Type: Refine your search to only Patent

Dust Box.

Description: Patent for a new and improved dust-box. This design consists in "[t]he combination, with a floor having an aperture cut into it and provided with a door flush with the surface of the floor, of a dust-box having a square bottom and diverging sides formed with outwardly-projecting flanges re-enforced upon their under sides by plates or bars and having strips secured to the inner sides, having their upper ends bent inward" (lines 76-83).
Date: August 17, 1886
Creator: Ethridge, John H.
Item Type: Refine your search to only Patent

Rail-Joint.

Description: Patent for improving railway rail joints "without the use of fish plates or clamping bolts" (lines 12-13) and for quick and secure assembly "by any person without previous skill or knowledge" (lines 24-25).
Date: August 17, 1920
Creator: Fenske, Paul J.
Item Type: Refine your search to only Patent

Stalk-Shopper

Description: Patent for "improved stalk-chopper for corn, cotton, or other stalks, where-in a reel or reels carrying longitudinal knives is supported and adjusted upon a frame which may be easily connected and disconnected from the running-gear of an ordinary wagon" (lines 14-20)
Date: August 17, 1888
Creator: Ferrel, Alexander
Item Type: Refine your search to only Patent

Gearing For Bicycles.

Description: Patent relating to "a new and useful improvement in gearing for bicycles and the like, and has for its object to so construct and arrange a device of this description as to avoid sudden shocks or jars which are occasioned by unevenness in the road-bed over which the machine is traveling, and also to enable the rider to exert a sudden force upon the pedals without straining the framework or wheels of the machine" (lines 9-18).
Date: August 17, 1897
Creator: Godfray, Ernest H.
Item Type: Refine your search to only Patent
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