UNT Libraries Government Documents Department - 392 Matching Results

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Acetylene-Gas Machine

Description: Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.
Item Type: Refine your search to only Patent

Air-Brake Mechanism.

Description: Patent for "a new and useful air-brake mechanisms in relation to a pressure controller and distributer designed to perform the several independent and joint functions of a triple valve, a pressure-retaining valve, and a pressure relief or reducing valve."
Date: May 29, 1900
Creator: Dillander, John
Item Type: Refine your search to only Patent

Alarm.

Description: Patent for an alarm designed to attach to windows or entryways and sound to alert residents of a burglary attempt, with illustrations.
Date: May 29, 1906
Creator: Hobbs, Francis Marion
Item Type: Refine your search to only Patent

Ant-Trap

Description: Patent for an ant trap "to provide a simple, inexpensive, and efficient one of great strength and durability adapted to be place over an ant-hill and capable of capturing the ant in the hill as they leave the same and also of catching the outside ants as they attempt to enter the hill. (line 11-17)
Date: May 26, 1903
Creator: Finley, William Frederick
Item Type: Refine your search to only Patent

Attachment for Coffee or Tea Pots.

Description: Patent for "attachment for coffee or tea pots or other receptacles" (lines 5-7) designed to materially improve the construction of the pot or urn, whereby the same will be simple and effective and the process of treating the coffee or tea by the action of the boiling water or steam materially enhanced.
Date: May 21, 1901
Creator: Darden, George Albion
Item Type: Refine your search to only Patent

Attachment for Thimbles.

Description: Patent for invention for the improvement of attachments for thimbles. "The objects of the invention are to produce a device of simple construction for cutting the thread when sewing that can be readily applied to old as well as to new thimbles; also to produce the device in such manner that the thread can be quickly and conveniently cut at any desired point in an expeditious manner " (lines 17-24). Includes specifications and illustrations.
Date: May 1, 1900
Creator: Brown, Archie Edwards
Item Type: Refine your search to only Patent

Automatic Feed for Saw-Setting Mechanism.

Description: Patent for improvements to Automatic Feed for Saw-Setting Mechanism, "particularly adapted to advance the saw into alinement with a setting-punch by reciprocatory movement of a part of the mechanism" (lines 11-14), including illustrations.
Date: May 22, 1900
Creator: Haltom, Samuel & Nadel, Abraham G.
Item Type: Refine your search to only Patent
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