UNT Libraries Government Documents Department - 63 Matching Results

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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.

Automatic Railroad-Switch

Description: Patent for an automatic railroad switch which throws the switch automatically back to the main line after a train has entered a siding.
Date: August 17, 1909
Creator: Toullerton, George Edward

Bed.

Description: Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date: August 17, 1920
Creator: Hellweg, Rudolph F.

Bed or Douche Pan.

Description: Patent for improvements in bed or douche pans, in which it will not spill easily and is easy to clean. Illustration is included.
Date: August 17, 1909
Creator: Williams, Bettie C. & Scott, Arthur C.

Bedstead Lock or Joint

Description: Patent for a bedstead lock or joint. Illustration included.
Date: August 17, 1901
Creator: Martin, Mack D.

Boll Weevil Exterminator

Description: Patent for a boll weevil exterminator. Illustration included.
Date: August 17, 1909
Creator: Evans, James W. & Banks, Jessie B.

Cuff-Link.

Description: Patent for new and useful improvements in cuff links that do not separate from sleeves and help with any decoration.
Date: August 17, 1920
Creator: Hall, James L.

Dental Handpiece.

Description: Patent for an improvement on a dental handpiece that is made of fewer parts and is cheaper to make. It makes insertion and removal of the drill easier, and keeps the drill in place more securely.
Date: August 17, 1920
Creator: Graves, Robert E.

Draft-Gear for Railway Cars

Description: Patent for a draft gear for railway cars that allows a simple and efficient means of repairs or substitutions of sills or beams that may be done without dissociating the draft bar so that a car may not be out of commission for a considerable length of time.
Date: August 17, 1915
Creator: Moorman, James M.

Drop Propeller for Boats

Description: Patent for a drop propeller for boats. This design is to allow boats to easily cross reefs. Illustration included.
Date: August 17, 1909
Creator: Stribling, Franklin E.

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.

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.

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.

Fire-Screen.

Description: Patent for a portable, ornamental fire screen. Includes instructions and illustrations.
Date: August 17, 1897
Creator: Havecotte, John H.

Flexible Metallic Hose

Description: Patent for a flexible metallic hose. Illustration included.
Date: August 17, 1909
Creator: Schulz, Wilhelm

Float-Valve.

Description: Patent for a float valve not using slots and links, including illustrations.
Date: August 17, 1915
Creator: Garrott, John Collier

Flue-Cleaner.

Description: Patent for a portable flue cleaner for boilers. Through a nozzle on the cleaner, the flue cleaner uses the steam from the boiler to remove dirt, dust and soot. The dirt is forced out of the boiler when the steam escapes.
Date: August 17, 1915
Creator: Leonard, Carl

Frame for Trunks, Valises, &c.

Description: Patent for frames for trunks, boxes, vehicle-bodies, etc., which requires no bolts and can be cast in a single piece of metal. Includes instructions and illustrations.
Date: August 17, 1897
Creator: Turner, Ephraim M.

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.

Hand Harvester.

Description: Patent for a hand harvester that contains a plate and cutter to be used for harvesting corn and maize with more ease.
Date: August 17, 1920
Creator: Taylor, Joseph S.

Harrow Attachment.

Description: Patent for a harrow attachment "that is efficient and durable, cheap to manufacture, and can be readily placed on or removed from cultivators" (lines 19-22).
Date: August 17, 1911
Creator: Smith, Alexander

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.

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.
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