UNT Libraries Government Documents Department - 37 Matching Results

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CONVERTIBLE CAR.

Description: Patent for improved convertible cars pertaining to railroad rolling-stock, that can be converted from freight-car into a box-car or cattle-car. This invention is tighter in corners when serving as a box-car, to prevent leakage of transports.
Date: May 22, 1906
Creator: Cothern, John K.
Item Type: Refine your search to only Patent

Cattle-Stanchion.

Description: Patent for improvements in cattle-stanchions in “which the animal can be released from without its stall, so that the attendant will not have to enter such stall or be subjected to any of the inconveniences of dangers arising therefrom.” (Lines 13-17) Illustration is included.
Date: March 10, 1903
Creator: Garrett, Lee
Item Type: Refine your search to only Patent

Bat-Forming Apparatus.

Description: Patent for a machine for use in making cotton batting which takes the cotton in by an air current and then distributes it evenly throughout the mold for the batting. Illustration is included.
Date: July 2, 1907
Creator: Haynes, Daniel
Item Type: Refine your search to only Patent

Windmill.

Description: Patent for an improved windmill, a wind-driven wheel which will operate with the wind blowing in any direction and without the necessity of a typical vane and which produces a maximum velocity with a minimum amount of wind.
Date: April 17, 1906
Creator: Bartlett, Robert S.
Item Type: Refine your search to only Patent

Wheel-Rim.

Description: Patent for improvement to wheel rims providing "means for introducing oil thereinto and distributing it throughout the whole periphery" (lines 10-12).
Date: May 27, 1902
Creator: Harville, Walter S.
Item Type: Refine your search to only Patent

Water-Closet Attachment.

Description: Patent for an attachment for water closets in outhouses without running water that blocks odors from escaping the pit by closing off the pit when not in use and automatically opens by a pressure bar behind the seat when the water closet is in use.
Date: June 4, 1907
Creator: Bradford, McDuffee
Item Type: Refine your search to only Patent

Steam and Air Valve Operator.

Description: Patent for a steam and air valve operator that allows "the rotative movement of element to be transformed into reciprocity movement of another element." (lines 11-13). It also has new setup for double gears within the device that allows rest of the parts between movements.
Date: February 12, 1907
Creator: Greeson, David H.
Item Type: Refine your search to only Patent

Projectile.

Description: Patent for improvements in projectiles is to positively insure the explosion of the projectile at any desired point and the action is more reliable than is the case with time-fuses, where exact results cannot be insured, or with impact-projectiles, which explode when they come into contact with the armor. (Page 2, lines 12-18) Illustration is included.
Date: March 24, 1903
Creator: Densler, Nat
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a plow that is simpler, more durable, and cheaper to make than previous ones and allows for easier adjustments in plowing depth.
Date: April 23, 1907
Creator: Stafford, George A. & Henry, Edward
Item Type: Refine your search to only Patent
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