UNT Libraries Government Documents Department - 135 Matching Results

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Pump or Motor

Description: Patent for a pump or motor that has pistons that move with or are actuated by a fluid (related to Patent 1,101,329). This pump or motor is an improved design that is more effective in transmitting power to the pistons.
Date: October 25, 1921
Creator: Reaugh, Fran
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Pump-Plunger

Description: Patent for a pump-plunger, concentrating on advancements in the design, particularly catering to deep well operations and environments with challenging conditions, such as oil and water wells where fluids are mixed with sand, sediment, or debris.
Date: October 18, 1921
Creator: Miller, Frank J.
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Railroad-Crossing.

Description: Patent for a railroad crossing that "consists in certain devices organized in a manner to secure automatic alignment of a series of movable rail-sections with the main rails of a track on which a train is traveling in the direction of the crossing, the approach of the train setting in motion the devices by which the rail-sections are controlled, and thus dispensing with an attendant at the crossing to set the contrivance for the safe passage of the train through the crossing" (lines 12-22).
Date: October 11, 1892
Creator: Knight, Mosses G.
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Railroad Switch

Description: Patent for a railroad switch. "This invention relates to railroad-swtiches and is especially designed with reference to street railways and surburban lines" (9-11). Illustration included.
Date: October 16, 1906
Creator: Tucker, Argyle W. & Tucker, Hugh H.
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Running Gear for Vehicles.

Description: Patent for a new and improved running gear for vehicles. This design "has for its object . . . to dispense with the reach or pole, and while doing this to provide for or avoid interference with the normal action of the springs, and to render it applicable to vehicles already in use. To these ends [the] invention consists in the employment of braces adapted to be connected to and permit the springs to have the required movement, and also of additional braces arranged between the body support or … more
Date: October 31, 1882
Creator: Roberts, John William
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Sheet-Metal Tank

Description: Patent for a sheet metal tank supported by outside beams made of metal studs or sheets. The design also provides means by which the tank can be sheathed and secured by concrete.
Date: October 19, 1915
Creator: Harry, Owen K.
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Spark-Arrester

Description: Patent for an improved and simplified spark arrester, which deflects sparks and other products of combustion back into the furnace or into a designated receptacle.
Date: October 10, 1905
Creator: Anderson, Oliver Lacy
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Spraying Attachment for Cultivators

Description: Patent for spray attachment for a Cultivator, which is an agricultural farm equipment used for soil tillage. The machine is designed to stir soil around a crop. The improvement of the spray attachment is a nozzle that can control the spray of fluid at the same time the soil is being cultivated.
Date: October 12, 1915
Creator: Oldham, Frank
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Stirrup Leather Stay.

Description: Patent for a new and improved stirrup-leather stays. This design "is to provide a stay which will cause the stirrup to hang in proper position for insertion of the rider's foot in the mounting; and the invention consists in a stay the body of which is U-shaped in cross-section to receive the stirrup cross-bar and provided with a loop on its convex side at the bottom for the stirrup leather or strap" (lines 13-20).
Date: October 14, 1890
Creator: Padgitt, Jesse D.
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Strainer.

Description: Patent for improvement to strainer that contains a detachable connection for a culinary strainer for tea or coffee pots, including illustrations and instructions.
Date: October 29, 1901
Creator: Sidoti, Antonio
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Street-Indicator for Electric Cars.

Description: Patent for improvements in street indicating device for electric cars by informing the driver which street is, as the car approaches the streets. The device can be mount within a car and once it is installed, it is completely automatic. Illustration is included.
Date: October 7, 1913
Creator: Morton, James E.
Item Type: Refine your search to only Patent

Stump-Puller.

Description: Patent for a simple and effective stump puller that pulls stumps entirely from the ground using a large amount of force. The machine uses a series of pulleys, hooks, levers, and cranks.
Date: October 31, 1893
Creator: Rupe, Salathiel C.
Item Type: Refine your search to only Patent
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