UNT Libraries Government Documents Department - 168 Matching Results

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Rail-Joint.

Description: Patent for improvements to the joints for railway rails to prevent "bumping of the wheels against the ends of rails and the cross ties adjacent to the joints" (lines 16-18) including illustrations.
Date: January 21, 1908
Creator: Adams, Powell O.
Item Type: Refine your search to only Patent

Stamp Mill

Description: Patent for a stamp mill. "The object of the invention is to present a stamp-mill which with a minimum of space utilized for the operating mechanism will give the maximum of output." (line 8-11) illustrations included.
Date: July 21, 1903
Creator: Baker, Richard J.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

Specific-Gravity Scale

Description: Patent for a type of weighing-scale, "designed for determining the specific gravity of any body, be it solid, liquid, or a gas" (lines 14-15) including illustration.
Date: January 21, 1902
Creator: Bogue, Robert Jackson
Item Type: Refine your search to only Patent

Lighting Apparatus for Vehicles.

Description: Patent for a useful lighting apparatus for vehicles in general by using a power-transmitting belt properly mounted on to the car-wheels to “which energy may be drawn from the wheels of the car and supplied to a lighting-dynamo.” (Lines 12-14) Illustration is included.
Date: May 21, 1901
Creator: Brady, Alford
Item Type: Refine your search to only Patent

Double-Action Pump

Description: Patent for "double-action submerged force-pumps which can be operated by any suitable power, but particularly adapted for operation by windmills provided with variable gearing...simple in construction and strong and durable and in which there are no parts which can be disarranged during operation and from which all valves may be removed without disturbing the pipe and which will maintain a continuous flow of water during operation."
Date: October 21, 1902
Creator: Byars, Edgar
Item Type: Refine your search to only Patent

Heater.

Description: Patent for a heater powered by oil, which provides uniform heating of rooms, uses as little oil as possible to maintain heat, and does not get soot on objects in the room it is in.
Date: January 21, 1908
Creator: Callihan, Willie H.
Item Type: Refine your search to only Patent

Bedstead Brace.

Description: Patent for a new and useful bedstead-brace. "This invention is an improved construction of bedstead-brace, the object being to provide an exceedingly cheap, simple, and efficient device which can be applied to any and all beds" (line 7-11).
Date: January 21, 1902
Creator: Campbell, Ike W.
Item Type: Refine your search to only Patent

Bit.

Description: Patent for a bridle bit that helps a handler to hold or guide an animal without harming its mouth. Illustration included.
Date: August 21, 1900
Creator: Castro, Alberto
Item Type: Refine your search to only Patent
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