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Life-Preserver.

Description: Patent for a life preserver with features to support both a wearer's waist and neck.
Date: August 12, 1913
Creator: Hansen, Carl Albert Edvard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improving Oils.

Description: Patent for a method of improving the quality of more volatile petroleum oils, such as gasoline and burning oils.
Date: December 23, 1919
Creator: McAfee, Almer M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvements in Burners

Description: Patent for improvements for burners. It is related explicitly to hydrocarbon burners. Its purpose is to keep the oil and steam separate as they leave the burner by keeping them in two separate streams.
Date: June 19, 1918
Creator: Trahan, Clair A
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Transplanter

Description: Patent for transplanters that allows fro greater ease in the removal of plants from hot beds, using an attached blade to easily cut through extended roots and provide enough accompanying soil for the plant.
Date: September 12, 1916
Creator: Frakes, Charles A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water Craft.

Description: Patent for a "bathing float equipped with propelling means" (lines 10-11) and a "depressible platform combined with ... a diving rudder" to allow the front part of the craft to dive underneath the water (lines 13-15).
Date: April 27, 1915
Creator: Caldwell, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Movement

Description: Patent for "an object to provide a chain and sprocket movement with improved means for maintaining the chain in operatively taut condition and relation to the sprocket wheel" (lines 13-17), including illustrations.
Date: November 9, 1915
Creator: Stine, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump Cylinder

Description: Patent for a removable liner for a pump cylinder bore, including illustrations.
Date: February 24, 1914
Creator: Black, Lee J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam Feed

Description: Patent for a steam feed. This invention is designed "for sawmill carriages characterized by a steam cylinder, and a piston operating in the cylinder and having its rod connected to the sawmill carriage" (line 9-12). Illustration included.
Date: May 30, 1911
Creator: Black, Lee Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Steam Face-Bath

Description: Patent for an apparatus that provides a steam bath for the face. Illustrations included.
Date: February 15, 1910
Creator: Dalzelle, Sanford J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for the hydraulic swivel. This is an improvement to the hydraulic swivel that already exists. It involves "the rotary well-drilling machines, to permit the flow of water to the point of the drill." (Black)
Date: December 1, 1914
Creator: Black, Lee J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mud-Guard

Description: Patent for a mud guard for two-wheeled vehicles such as bicycles and motorcycles. The purpose is to prevent mud or dirt from spattering on the rider.
Date: August 5, 1913
Creator: Humble, George L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Still for Distillation of Petroleum

Description: Patent for improvements in still design for distillation of petroleum or its products, providing relief for any suddenly formed vapors and preventing the oil from boiling over.
Date: July 24, 1917
Creator: Gallsworthy, Benjamin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Tank.

Description: Patent for an oil tank with an improved design for extinguishing fires inside the tanks and a means for allowing the escape of exploded gases upon accidental ignition.
Date: February 9, 1915
Creator: Wasson, Edgar Allen & Cooley, Francis Marion
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Manufacture of Aluminum Chlorid

Description: Patent for method of making aluminum chlorid, where a form of hydrated alumina is combined with coking coal, and then exposed to heat and chlorin/chlorin containing gas.
Date: February 27, 1917
Creator: McAfee, Almer M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire.

Description: Patent for a cushioned tire which may be attached without special tools to an automobile wheel when the regular is flat or damaged. It can fold up for easy storage, and then attach to the wheel rim using hinges, rods, and sockets.
Date: November 7, 1911
Creator: Price, James Bain
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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