UNT Libraries Government Documents Department - 567 Matching Results

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Adding Machine.

Description: Patent for a new and improved adding machine. This design "consists in the combination, with a box, of a spindle in the same, a sleeve surrounding the spindle, a hand on the spindle, a hand on the sleeve, devices for turning the spindle from the sleeve, a cog-wheel revolving from the spindle, and an extra hand in connection with the cog-wheel" (lines 10-16).
Date: September 22, 1885
Creator: McCaleb, John L.
Item Type: Refine your search to only Patent

Adding Machine

Description: Patent for a machine that adds numbers together using "key actuated accumulating wheels" to reach the desired sum, including illustrations.
Date: September 22, 1913
Creator: Moody, Jason B.
Item Type: Refine your search to only Patent

Adjustable Bench Hook.

Description: Patent for a new and improved bench hook. This design "consists in a bench-hook constructed with a plate carrying a sliding bar, to which is adjustably secured a hook. The sliding bar and hook are locked in place by a clamp and cam attached to the plate, and the plate and its attachments are locked to the bench-front by a stationary lug attached to the plate, and a moveable lug attached to a lever pivoted to the said plate and locked in place by a cam, so that the said hook can be readily adjus… more
Date: July 22, 1884
Creator: Cooper, Harry
Item Type: Refine your search to only Patent

Advertising-Machine.

Description: Patent for an advertising machine that reverses the travel of the apron that is used to connect with, and where, the display sign is printed. It also easily and efficiently reverses the driving mechanism once the apron is completely unwound from one of the rollers. The patent includes illustrations.
Date: July 22, 1913
Creator: Looney, Marma Duke
Item Type: Refine your search to only Patent

Agricultural Implement

Description: Patent for an agricultural implement. This invention is a "novel construction of standard and plow-point, cultivator shovel, rake-tooth, or like implement" (lines 11-14). Illustrations included.
Date: November 22, 1904
Creator: Herrod, Howard H., Jr.
Item Type: Refine your search to only Patent

Animal Shears.

Description: Patent for new and improved animal shears. This design calls for a spring with eyes at the ends so that the handles of individual blades may be inserted through them. Then, nuts fasten the individual blades to the spring, which makes sharpening easier and breakage less likely.
Date: February 22, 1881
Creator: Benavides, Cristobal & Arthur, Joshua P.
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for a new and improved ant trap. This design calls for a tank of water to be buried in the ground and a collar of cheap material to be attached to the tank and placed over the mouth of an anthill. The concave nature of the collar prevents ants from climbing out of it, so they are forced into the water tank, where they drown; the design is cheaper and less toxic than previous designs.
Date: November 22, 1881
Creator: Arnett, Sandridge Thomas
Item Type: Refine your search to only Patent

Ant Trap.

Description: Patent for a new and improved ant trap. This design consists in "[a]n ant-trap, comprising the body and the inward-projecting tubes having the protecting-caps on their inner ends, the outer faces of the caps being convex and provided with apertures of greater diameter than the bore of the inner end of the tube" (lines 90-95).
Date: February 22, 1887
Creator: McCallum, Walter Randolph
Item Type: Refine your search to only Patent

Anti Friction Journal.

Description: Patent for a new and improved anti-friction journal. This design "relates to anti-friction devices adapted especially for hoisting pulleys; and it has for its object to provide a device in which the shaft or axis of the main hoisting-pulley shall be supported or mounted upon the peripheries of wheels of a considerable diameter as compared with that of the hoisting-pulley, whereby the friction may be lessened to the greatest possible extent" (lines 24-32).
Date: July 22, 1884
Creator: Taylor, John C.
Item Type: Refine your search to only Patent

Apparatus for Burning Garbage, &c.

Description: Patent for an improved apparatus for burning refuse and consists of a roasting chamber, a garbage grate, grates that slope and carry the product away after combustion, flues that open above the grates, and the wall partly closes on one end to let the products away after combustion.
Date: August 22, 1893
Creator: Garretson, William H. & Tainter, Silas B.
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Apparatus for Cooking by Superheated Steam.

Description: Patent for improvements in apparatus for cooking by using superheated steam. “A boiler which is supported by a fire-box. An oven is mounted on the boiler and provide with a plurality of compartments and ventilators. A drip-pipe, and a pipe connected to the boiler and circulated through the fire-box and extended up to the oven, and provided with a plurality of valves for supplying the compartments of the oven with superheated steam.” (Page 2, line 25-34) Illustration is included.
Date: March 22, 1904
Creator: Harrington, David
Item Type: Refine your search to only Patent

Apparatus For Forcing Fluid From Wells.

Description: Patent for a narrow device to use fluid dynamics to remove certain fluids without loss of others. The apparatus is let down the well until one end is submerged before pressurized with air to seperate fluids and bring oil up to the surface of the well.
Date: February 22, 1921
Creator: Bodungen, Charles G.
Item Type: Refine your search to only Patent

Apparatus for Killing Rodents

Description: Patent for an apparatus for killing rodents "that may be used effectively for the destruction of all animals that burrow in the ground; and it consists in a furnace for the generation of sulphurous odors or other suffocating gases and a pump for forcing the gases into the burrows of the animals . . . ."
Date: August 22, 1882
Creator: Palmer, Austin D.
Item Type: Refine your search to only Patent

Apparatus for the Treatment of Cotton.

Description: Patent for a machine that puts gins and condensers in a line, which sit over a flue. "The lint cotton in bat form being delivered from all of the condensers in independent bats to a common conveyer, the bat cotton increasing in thickness upon the common conveyer and in its travel to a press, compress or other receptacle, receiving the different bats from the different condensers, one bat lying smoothly upon the other, until at the discharge end of the common conveyer, the bat in which the lint … more
Date: May 22, 1894
Creator: Zedler, Friedrich
Item Type: Refine your search to only Patent
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