UNT Libraries Government Documents Department - 1,397 Matching Results

Search Results

Results: 1 - 24 next

Rotary Engine

Description: Patent for "a new and improved rotary engine which is simple and durable in construction and very effective in operation, using the steam expansively and to the fullest advantage, at the same time being adapted to compound engines" (lines 8-12).
Date: November 5, 1889
Creator: Akers, William P.
Item Type: Refine your search to only Patent

Velocipede.

Description: Patent for a new and improved velocipede. This design "has relation to that class of velocipedes in which the rider is suspended within a large wheel impelled by a frictional contact between the inner periphery of the same and the driving wheel" (lines 8-12). With this design, "by the increased size of wheel, not only is speed gained, but the same may be propelled with greater ease over rough or smooth roads and with greater comfort to the rider, in that the jolt is less, and yet at the same ti… more
Date: August 5, 1890
Creator: Akers, William P.
Item Type: Refine your search to only Patent

Car-Starter

Description: Patent for "a new and improved car-starter adapted for all kinds of cars and vehicles, being specially of great value on grades" (lines 8-11).
Date: February 5, 1889
Creator: Akers, William P. & Lindsey, John C.
Item Type: Refine your search to only Patent

Overflow Separating Device.

Description: Patent for an invention that allows for the separation of materials, such as fluid, between two objects, one of higher altitude than the other, with minimal disruption at the surface of the lower object.
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Slime Pulp Thickener.

Description: Patent for a "device for thickening slime or pulp, and particularly pertains to a structure similar to that disclosed in my co-pending application entitled "Slime pulp thickener," serial number 173,785, filed June 9, 1917, and of which the present application is a division" (lines 8-14). Additionally, described as a device that automatically releases thickened pulp when proper density is achieved.
Date: October 5, 1918
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Thickener and Means for Removing Settled Solids Therefrom.

Description: Patent for a machine which can automatically and continuously remove thickened material, which is a byproduct of wet milling ores. "The present device has been particularly designed to permit feed and discharge to be on the same level or for that matter the constant density discharge may be above or below the level of the feed stream, as may best fit the conditions of the particular installation" (lines 39-45).
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Pumping-Engine.

Description: Patent for a pumping engine that pumps air, water, oil, or other agents. It was designed to be used for air pumps on locomotives, inflating tires on automobiles, pumping water in steam operated machines, and other uses.
Date: June 5, 1917
Creator: Allison, Jesse H.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for a baling-press meant to bale cotton. In this machine, "the power as applied to the plunger is increased in proportion to the resistance offered by the material being baled and whereby the forward movement of the plunger is automatically checked at the limit of its path and is returned to its initial positioin without effort upon the part of the operator" (lines 10-17).
Date: January 5, 1897
Creator: Anderson, Alva E.
Item Type: Refine your search to only Patent

Baling-Press.

Description: Patent for a baling-press for cotton and uses a compression chamber and a head or compressor block to compress the cotton. The invention is more effective and more expeditious than other baling-presses.
Date: June 5, 1894
Creator: Anderson, Alva E.
Item Type: Refine your search to only Patent

Animal-Trap.

Description: Patent for improvements in animal-traps that would be capable of catching two animals; to set the trap, bait is placed upon the hooked ends of the bait-hooks, the jaws are elevated and retained in a position by the link-catches, which have the lower hooked ends engaging the trigger, which has its free end engaging the eye at the inner end of the bait hooks, thus setting the trap, (lines 66-73) ready to catch animals. Illustration is included.
Date: May 5, 1891
Creator: Anderson, Henry Clay
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

Low-Water Alarm For Boilers

Description: Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date: January 5, 1915
Creator: Anderson, Williamson D. & Shearer, Edward J.
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

Boot or Shoe Brace.

Description: Patent for a new and improved brace for shoes and boots. This design "relates to a brace adapted to be applied to boots and shoes, and is designed as a brace for the counter, heel, and instep; and it has for its object to provide a brace . . . which shall be simple in its construction, one that may be readily and easily applied, and manufactured and supplied at a slight cost" (lines 9-16).
Date: May 5, 1885
Creator: Awalt, Jessee C.
Item Type: Refine your search to only Patent

Machinery For Pressing Cotton.

Description: Patent for improvements in machinery for facilitating the pressing of cotton; and it relates particularly to mechanism in which cylinders and pistons are used, under the influence of fluid or liquid, such as steam, air, water, or gas under pressure to operate the follower-block of a bailing-press. (Lines 12-18) Illustration is included.
Date: May 5, 1891
Creator: Bachman, Joseph A.
Item Type: Refine your search to only Patent
Back to Top of Screen