UNT Libraries Government Documents Department - 193 Matching Results

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Gas Producer.

Description: Patent for improvements to gas producers of the type in which combustible gases are evolved from coal, lignite, etc., during the incomplete combustion thereof.
Date: April 11, 1922
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent

Well Bucket

Description: Patent for Improvements in well buckets. The bucket has an inlet valve at the bottom and an air escape valve at the top that permits air to escape freely while preventing the entrance of dirt and extraneous matter to the interior of the bucket.
Date: April 11, 1922
Creator: Reese, Samuel L. & Reese, Samuel L.
Item Type: Refine your search to only Patent

Rotary-Drill Head.

Description: Patent for a drill apparatus that improves the head gears and driving mechanisms that makes for an efficient driving of the apparatus and allows for free vertical movement.
Date: July 27, 1920
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent

Attachment for Rotaries.

Description: Patent for rotary well-drilling machinery where the "ring or bushing to rotate independently of the table and the present invention is directed to means for accomplishing the rotating effect." (line 24-27)
Date: July 20, 1920
Creator: Johnston, Horace G.
Item Type: Refine your search to only Patent

Surgical Splint.

Description: Patent for a surgical splint specifically for the substitution of erectile tissue of the corpora cavernous of the genital organ to promote fecundation even in the absence of an erection.
Date: July 13, 1920
Creator: Renois, John J.
Item Type: Refine your search to only Patent

Knee-Pad.

Description: Patent for a knee pad to be used by berry or cotton pickers, or other workers that are often in a kneeling position. The knee pad consists of a frame made of "one piece of spring wire of rather coarse gage, a roller revolubly attached to the front end of the frame, and cloth or canvas stretched across the frame" (lines 23-27). The cloth is easy to remove and replace.
Date: March 4, 1919
Creator: Holsey, Walter R.
Item Type: Refine your search to only Patent

Tubeless Tire and Rim and Lock Therefor

Description: Patent for "an improved tubeless pneumatic tire casing, and an improved rim and locking means therefore, where by to effectively draw the edges together to render the same air tight" (lines 11-15). Also, this patent provides a improved "tubeless tire casing" where adding air pressure makes the joint air tight.
Date: October 22, 1918
Creator: Cumpston, Frederick B.
Item Type: Refine your search to only Patent

Resilient Wheel.

Description: Patent for improvements in resilient wheels. "This invention relates to a new and useful resilient vehicle wheel embodying flat arcuate springs by means of which the tread or shoe of the wheel is resiliently mounted with relation to the hub."(lines 8-12)
Date: January 15, 1918
Creator: Roberts, Samuel A.
Item Type: Refine your search to only Patent

Terracing-Machine.

Description: Patent for a terracing machine to provide a device to this character constructed in such a manner that farm land can be readily terraced to prevent the soil washing away. Other features are having the means for vertically adjusting either end of the terracing scraper and to allow the scraper to easily and quickly be adjusted into different angular relations to the draft tongue.
Date: November 27, 1917
Creator: Reese, Samuel L.
Item Type: Refine your search to only Patent

Figure Toy.

Description: Patent for improvements in figure toys which "includes a base or support having figures mounted thereon the said figures being preferably in the form of men and having jointed legs connected with their bodies there being means provided for swinging the legs to cause the figures to have the appearance of running" (lines 13-19); includes illustration.
Date: August 21, 1917
Creator: Salter, Conway
Item Type: Refine your search to only Patent

Stalk-Cutter.

Description: Patent for a stalk-cutter that will improve the effectiveness of stalk cutting by readily attaching to a plow or tilling machine, increasing the draft, including instructions and illustrations.
Date: August 14, 1917
Creator: Gable, Gus
Item Type: Refine your search to only Patent

Sash Control

Description: Patent for a window sash control system. This mechanism allows the user to open a hard to reach window, such as one at the top of a stairwell, remotely via a series of ropes and pulleys.
Date: June 12, 1917
Creator: Coogle, John David
Item Type: Refine your search to only Patent
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