UNT Libraries Government Documents Department - 1,566 Matching Results

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Book-Holder for Reading-Stands.

Description: Patent for "a book holder especially designed to receive large books for reference, such as a dictionary for example, and to so construct the mechanism of the holder that a cradle will be provided for the reception of the book, which cradle will be adapted to be carried upward and outward from the holder in a manner which will bring the book in proper position for consultation, and which mechanism will also act to lower the book, without jar or injury to it, within the holder when the book is n… more
Date: August 21, 1894
Creator: Anderson, Francis John & Irick, William Madison
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Reading-Stand.

Description: Patent for a simple, durable, and economic reading stand that has two desks, one of which is adjustable so that a person can read while sitting at any angle. The second desk is capable of holding heavy books. Both stands are vertically adjustable. The stand can be constructed to hold a lamp in addition to books.
Date: August 1, 1893
Creator: Anderson, Francis John & Irick, William Madison
Item Type: Refine your search to only Patent

Animal Trap.

Description: Patent for a new and improved animal trap. This design consists in "the combination of the base-board having the opposite recesses and the transverse shaft, the yoke having the spring-coils mounted on the projecting ends of the shaft in said recesses, the standard having the holding-rod, the trigger, and the guards or prongs secured in the base-board" (lines 20-26).
Date: August 19, 1890
Creator: Anderson, Henry C.
Item Type: Refine your search to only Patent

Elevating Truck.

Description: Patent for elevating truck equipped with a conveyor belt powered by an electric motor. The device is "easily moved about and placed in position by one or two men" (lines 29–30), but powerful enough to lift bales of cotton (or other objects) weighing up to 600 pounds, includes illustrations.
Date: August 5, 1919
Creator: Anderson, John L.
Item Type: Refine your search to only Patent

Touch-System Hand-Rest

Description: Patent for attaching a novel clamp to the rest frame of a typewriter or table. The clamps can be adjusted to fit various pieces of furniture or typewriters. The invention is to improve the way the hand rests on the frame of the typewriter.
Date: August 27, 1918
Creator: Anderson, Walter J.
Item Type: Refine your search to only Patent

Triple Valve

Description: Patent for a triple valve for air brakes on trains that gives the engineer more control over the brakes.
Date: August 13, 1912
Creator: Anderson, Williamson D. & Shearer, Edward J.
Item Type: Refine your search to only Patent

Deep-Well Pump.

Description: Patent for "new and useful Improvements in Deep-Well Pumps," (lines 5-6), including illustrations. An improvement on the inventor's previous patent (1013579), with the intention of preventing and removing sand accumulation while pumping oil.
Date: August 19, 1919
Creator: Andrews, Benjamin
Item Type: Refine your search to only Patent

Mineral-Prospecting Apparatus.

Description: Patent for an "apparatus for drilling and obtaining samples or specimens of minerals" (lines 12-13), and obtaining accurate samples of ores in situations where they would otherwise be washed away by water or broken apart. The patent includes illustrations.
Date: August 26, 1913
Creator: Andrews, Benjamin
Item Type: Refine your search to only Patent

Apparatus for Treating Hydrocarbons.

Description: Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Item Type: Refine your search to only Patent

Crate for Shipping Bananas.

Description: Patent for a crate for shipping bananas that does not hurt the fruit during shipping. The crate separates the bunches so the bananas do not get crushed, and the crate is ventilated to prevent decay.
Date: August 11, 1896
Creator: Andrews, Otis
Item Type: Refine your search to only Patent

Railway Switch Lock.

Description: Patent for a new and improved railway-switch lock. This design "consists in a novel construction and arrangement of parts whereby an independent key is used to unlock the latch or bolt of the bolt-case" (lines 14-17).
Date: August 2, 1881
Creator: Angus, Alexander & Phillips, George
Item Type: Refine your search to only Patent

Feed Water Heater.

Description: Patent for a new and improved feed water heater. This design "provide[s] a system of levers and a float which will automatically regulate the feed or supply of water to such heaters and lime-extractors . . . and further, that by securing a uniform supply of water the steam acts more equally upon the water, and thus secures a more uniform deposit of the lime" (lines 22-33). This allows for fewer accidents and less damage to the engine.
Date: August 10, 1880
Creator: Annear, John Henry
Item Type: Refine your search to only Patent

Attachment for Harness.

Description: Patent for a new and improved attachment for harnesses. This design "relates to attachments for harness; and it consists of a plate having a safety-hook, a back-band buckle, and guide-rings" (lines 20-23).
Date: August 30, 1881
Creator: Applewhite, David T.
Item Type: Refine your search to only Patent

Cotton, Corn, and Pea Planter.

Description: Patent for a new and improved planter. This design consists in "[t]he combination, in a planter and fertilizer-distributer, of a revolving drum having openings communicating with a groove in its periphery for sowing fertilizer, and a seeding mechanism arranged above the drum, whereby the seeds will fall into the groove of the drum and be thereby conveyed to the furrow" (lines 3-9).
Date: August 18, 1885
Creator: Applewhite, David Thomas
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

Steam Engine Governor.

Description: Patent for a new and improved steam-engine governor. This design consists in "the combination, with the valve-stem and governor-balls, of a lever connected with the said valve-stem, a weighted lever connected with the said valve-stem lever, a piston-rod connected with the said weighted lever, a piston attached to the said piston-rod, and a small cylinder in which the said piston operates, and which is connected at one end with the interior of the steam-chest" (lines 93-102).
Date: August 16, 1887
Creator: Arnold, Eliphalet L.
Item Type: Refine your search to only Patent
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