UNT Libraries Government Documents Department - 63 Matching Results

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Fertilizer.

Description: Patent for improvements in fertilizers “for restoring to the soil the elements which form the food for plants, and which have been abstracted therefore by the absorption of successive crops, or which are naturally deficient in quantity or entirely wanting in the soil.” (Lines 12-16) Instructions on preparing the fertilizers and ingredients are included. No illustration.
Date: February 21, 1882
Creator: Elsasser, Isaac
Item Type: Refine your search to only Patent

Fire Alarm System

Description: Patent for a new and improved fire alarm system. This alarm system will allow the room on fire to be identified and alert the fire department that there is a fire in that house. Using a minimum number of wires, for safety, this alarm signals only one bell no mater the room on fire.There is also a self test feature within this system.
Date: January 21, 1915
Creator: Ammons, John B.
Item Type: Refine your search to only Patent

Fire Escape.

Description: Patent for a new and improved fire-escape. This design "has relation to that class of fire-escapes consisting of a chute placed in an inclined position against a window . . . and it consists in the improved construction and combination of parts of such a chute fire-escape having transverse rollers in the bottom of the chute for reducing the friction between the bottom of the chute and the body sliding down the chute, and provided with means for regulating the revolutions of the anti-friction ro… more
Date: August 21, 1888
Creator: Howard, William H.
Item Type: Refine your search to only Patent

Fishing-Tool

Description: Patent for a fishing tool that is "light, and of simple construction... (line 37)." The fishing tool is also meant to be let down into well bores without the rods or tubing getting stuck and automatically locks.
Date: December 21, 1920
Creator: McMillian, John F.
Item Type: Refine your search to only Patent

Horn-Holding Shoe.

Description: Patent for the Horn-Holding Shoe. The Horn-Holding Shoe is removable and provides a design that allows the wearer an easier way to insert foot in shoe while providing a higher edge to the back of the shoe and does not interfere with walking or running.
Date: March 21, 1916
Creator: Lassig, Oswald J.
Item Type: Refine your search to only Patent

Hose-Clamp

Description: Patent for "certain new and useful Improvements in Hose-Clamps" (lines 5-6). "It is the object of this invention to provide a clamp which is provided with yieldable slips, which securely clamp the hose to prevent the separation of the hose from the nipple..." (lines 30-34).
Date: May 21, 1918
Creator: Bennett, Clarence D.
Item Type: Refine your search to only Patent

Mail-Station Device

Description: Patent for a mailbox in rural areas for outgoing and incoming mail to be placed in a convenient manner in a designated area. The mailbox will also have individual receptacles for individual persons to access with their designated key.
Date: December 21, 1915
Creator: Gibson, Joe
Item Type: Refine your search to only Patent

Mattress-Support.

Description: Patent for a new device that will improve mattress support, including illustrations. It is "designed to take the place of the ordinary spring now in common use and it is formed of inflatable units arranged to be inflated by the use of air, hot or cold water or other similar fluids" (lines 11-15).
Date: September 21, 1920
Creator: Monks, Frederick I.
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Post-Protector

Description: Patent for Post Protector. This patent is about providing a better means to protect earth embedded structure from moisture and other corrosion materials so that life of earthed structure increases
Date: April 21, 1903
Creator: Beazley, John
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Standing Valve

Description: Patent for a Standing Valve. This standing valve is designed to improve the way the fluids pump through oil and water wells. it also includes an improvement in the way the standing valve is secured to the wells. The new valve can also be easily replaced because of the materials it is composed of.
Date: September 21, 1920
Creator: Adams, Thomas M.
Item Type: Refine your search to only Patent

Staple-Setting Device.

Description: Patent for a staple setting device. This invention sets staples in blind slats and sticks with a special reference to assist with the setting of staples for the purposes of both construction and repair.
Date: February 21, 1922
Creator: Chamberlain, Kit Carson
Item Type: Refine your search to only Patent
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