UNT Libraries Government Documents Department - 806 Matching Results

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Check for Draft Apparatus.

Description: Patent for a check attachment for a draft apparatus that pulls rope from the apparatus to effect the draft on the object "which will automatically lock the pull rope against movement under the influence of tension of the apparatus when the force applied to the rope to the effect such tension is removed" (lines 20-24).
Date: July 15, 1913
Creator: Battey, Orlando F.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for a pump, designed to increase the flow of water without increasing the length of the stroke or the numbers of strokes of the plunger rod. The pump lifts water by force and suction simultaneously.
Date: February 24, 1914
Creator: Muncy, David J.
Item Type: Refine your search to only Patent

Clothes Pin.

Description: Patent for a coil clothes-pin "capable of ready engagement and disengagement with and from the clothesline" and "which may be loosely and slidably mounted upon a clothesline".
Date: July 6, 1915
Creator: Plaster, Joseph J.
Item Type: Refine your search to only Patent

Traction-Engine.

Description: Patent for traction engines used in farms that will make it easier to construct, make it less heavy, and cheaper to build.
Date: August 8, 1916
Creator: Roberts, Adrian J. & Wright, Wayne C., Sr.
Item Type: Refine your search to only Patent

Vehicle-Wheel Tire

Description: Patent for vehicle wheel tire made of spring steel which includes a mechanism to adjust "tensioning means that will be regulated in accordance with the load" (lines 23-27).
Date: June 26, 1917
Creator: McGehee, Tom S.
Item Type: Refine your search to only Patent

Animal-Trap.

Description: Patent for Improvements in Animal Traps. This trap is a "self and everset trap" (lines 11-12) with the primary purpose of creating a trap that is "efficient of operation, economical of construction, and sanitary" (lines 14-15).
Date: July 3, 1917
Creator: Burgett, William Matthews
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Windmill

Description: Patent for a windmill that makes it possible to convert the force of the wind into electrical or mechanical energy. This windmill has a governor that makes positioning adjustments when the windmill reaches an unsafe velocity.
Date: July 23, 1918
Creator: Cox, Oscar M.
Item Type: Refine your search to only Patent

Vacuum-Distributer for Internal-Combustion Engines.

Description: Patent for "improvements in Vacuum-Distributers for Internal-Combustion Engines". More precisely "an improvement in 'vacuum-energized make-and-break spark-plug". This particular vacuum-distributer would aid in lubricating the working parts and a "breather" function would let outside air pass through, preventing the "ingress of dirt and impurities to the vacuum-distributer".
Date: March 18, 1919
Creator: Irwin, Samuel D.
Item Type: Refine your search to only Patent

Tool Holder.

Description: Patent for a device to hold a tool with a beveled edge against an emery wheel for the purpose of sharpening. The tool holder can be adjusted and used for multiple tool types.
Date: October 7, 1919
Creator: Quillin, Alphonso L.
Item Type: Refine your search to only Patent

Cotton Bur Breaker and Suction Fan.

Description: Patent for "a new and useful Improvements in Cotton-Bur Breakers and Suction-Fans" (lines 6-8) and is designed for loading and unloading cotton from a wagon while separating the cotton lint from the hulls, including illustrations.
Date: November 18, 1919
Creator: Irwin, Samuel D.
Item Type: Refine your search to only Patent

Rotary Cultivator.

Description: Patent for a new and improved rotary cultivator designed to pulverize hard, dry soil without damaging the plants. The device utilizes cylindrical tooth holder with teeth that can be manipulated at various angles to pry the soil from around the plants.
Date: November 18, 1919
Creator: Irwin, Samuel D. & Irwin, Herbert G.
Item Type: Refine your search to only Patent

Trap.

Description: Patent for animal trap especially designed for trapping rats, mice, minks and other small animals. This animal trap has a pair of pivoted doors arranged on the opposite sides of a baiting standard, which is also vertically adjustable. The purpose of this trap is to drown the animals that have become entrapped.
Date: February 1, 1921
Creator: Wigington, William L.
Item Type: Refine your search to only Patent
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