UNT Libraries Government Documents Department - 423 Matching Results

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Acetylene-Gas Generator

Description: Patent for an improved automatic acetylene-gas generator which allows the carbid vessel to recharge with carbid without permitting the escape of gas, and also to simplify the construction of the generator.
Date: March 19, 1901
Creator: Elkins, George L.
Item Type: Refine your search to only Patent

Andiron.

Description: Patent for improvement in andirons “which is so arranged as to permit ready access to the fireplace for the purpose of cleaning out the ashes and having a removable fender which is capable of being quickly and readily removed or placed in position to retain the fire and prevent the fire from rolling out the fireplace.” (Lines 47-54.) Illustration is included.
Date: March 26, 1901
Creator: Cox, John Drew
Item Type: Refine your search to only Patent

Animal-Trap

Description: Patent for an animal trap that requires the animal to fully enter the jaws of the trap to reach the bait and that reliably springs the trap upon the entrance of an animal but not when refilling the bait in the trap.
Date: March 26, 1907
Creator: Dubois, James Madison
Item Type: Refine your search to only Patent

Antifriction Device For Sucker Rods Or The Like

Description: Patent for an antifriction-roller (part of a pumping mechanism) with a mounting that can be manufactured at a low cost, "quickly and readily applied to a rod at any point....and prevent it from bending...and, furthermore, interpose a minimum obstruction to the flow of the liquid in the casing" (lines 17-25)
Date: March 25, 1902
Creator: Black, William L.
Item Type: Refine your search to only Patent

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

Appliance for Protecting Oil-Wells from Fires.

Description: Patent for an appliance for protecting oil-wells from fires. As stated within the patent, "this invention relates to certain new and useful improvements in appliances for protecting oil-wells from fires; and to this end it consists of the novel combination and arrangement of parts hereinafter more specifically described in the accompanying drawings, and particularly pointed out in the claims herein appended" (Lines 9-16).
Date: March 11, 1902
Creator: Cochran, James M.
Item Type: Refine your search to only Patent

Automatic Fire-Alarm.

Description: Patent for the automatic fire alarm system relates to a fusing wire that reacts to any heat or fire by closing circuit inside of the battery resulting in sounding off the alarm, and thus, improving the fire-alarm system structure.
Date: March 15, 1904
Creator: Fred, Mason K.
Item Type: Refine your search to only Patent
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