UNT Libraries Government Documents Department - 65 Matching Results

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Plow.

Description: Patent for an attachment for plows or cultivators "whereby it may be converted into a sweep plow, adapted to be operated between rows of growing crops and capable of being adjusted in width in accordance with the distances apart from said rows" (lines 12-16).
Date: November 8, 1892
Creator: Baggett, Charles L.
Item Type: Refine your search to only Patent

Boat-Propeller.

Description: Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date: February 5, 1901
Creator: Caffey, John W.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination of the draw-heads provided with projections, a coupling-link, an operating-rod loosely connected to each of its ends, and a suitable support or guide through which these rods move . . . The object of [the] invention is to provide a car-coupling in which the two cars are coupled together by means of a link which is provided with an operating rod at each end, both of the rods and the link being atta… more
Date: April 29, 1890
Creator: Campbell, Neil Franklin
Item Type: Refine your search to only Patent

Combination-Flue

Description: Patent for a flue which will not crack and open, due to settling or to transverse strain. Also to provide means whereby the flue may be supported from the joists of a ceiling, against settling.
Date: February 3, 1914
Creator: Carl, Reinhold Adolph
Item Type: Refine your search to only Patent

Mechanical Telegraph-Sounder

Description: Patent for "a sounder wherein a finger-lever and sounding-lever are combined together with a spring" (lines 13-15) and is "adapted for the use of learners for practicing the manipulation of a telegraph finger-key" (lines 8-10) including instructions and illustrations.
Date: June 22, 1880
Creator: Clopton, John B.
Item Type: Refine your search to only Patent

Paper-File.

Description: Patent for improvements in paper-files by using a "combination of a base board and a clamp provided with a jaw, a presser-foot provided with a bearing, a crank-shaft journaled in the bearing with its cranked portion under the clamp, and a hinged support or flap under the presser-foot." (Lines 75-80, p. 2) Papers can be held in position or remove by the raising or lowering the presser-foot. Illustration is included.
Date: August 18, 1891
Creator: Clopton, John B.
Item Type: Refine your search to only Patent

Pneumatic Cotton-Conveyer.

Description: Patent for a combined cotton elevator and feeder "having exceedingly few parts and which can be easily operated and kept in running order, and which will be cheap, strong, and durable," (lines 34-40) including illustrations.
Date: November 3, 1891
Creator: Clopton, John B.
Item Type: Refine your search to only Patent

Violin.

Description: Patent for an improved violin that is meant to "improve the acoustical properties of the instrument whereby it is enabled to give forth a deeper and softer tone, free from the "twang" common in instruments of this character, and second, to improve the mechanical construction of the instrument so that it will be less liable to become split" (lines 26-33).
Date: May 2, 1893
Creator: Clopton, John B.
Item Type: Refine your search to only Patent

Gin Saw Gummer.

Description: Patent for a new and improved gin saw gummer. This design "consists in constructing a gin-saw gummer of a base-block, having a slot to receive the saw, and carrying the dics or stationary cutters, the guide-bar and shoe, the weight-bar, the pivoted bar, carrying the cutter and the gage, the lever and cam for operating the cutter-bar, and the feed mechanism" (lines 23-29).
Date: March 1, 1881
Creator: Clopton, John Benjamin
Item Type: Refine your search to only Patent

Saw Gummer.

Description: Patent for a new and improved saw gummer. This design "is to improve the action and prolong the usefulness of the bit and dies, and to prevent the clippings from interfering with the operation of the machine" (lines 26-29).
Date: July 28, 1885
Creator: Clopton, John Benjamin
Item Type: Refine your search to only Patent

Washing-Machine.

Description: Patent for an improved washing machine: "The invention consists in combining a lower cylinder having longitudinal spiral grooves with an upper cylinder having longitudinal straight grooves and holes" (lines 14-17).
Date: January 20, 1880
Creator: Dorris, George W.
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a plow designed with an implement to allow user to remove excess dirt from the blade as the plow is being used.
Date: April 1, 1879
Creator: Dyer, Charles V.
Item Type: Refine your search to only Patent

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Item Type: Refine your search to only Patent

Hay-Press.

Description: Patent for a hay bailing machine. "The invention relates to bailing-presses, and more particularly to that class adapted for bailing hay, straw, &c.; and it has for one object to provide a simple and efficient construction in which a continuous rotation of the bailing-lever will act in conjunction with a retractile spring to reciprocate the plunger" (lines 7-13). "A further object of the invention is to provide a simple and efficient construction of detent for holding the gate after the hay or … more
Date: May 1, 1900
Creator: Garrett, Irvin H.
Item Type: Refine your search to only Patent
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