UNT Libraries Government Documents Department - 149 Matching Results

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Ant-Trap

Description: Patent for "a simple device of this kind which will excel the former traps in depositing the ants within the annular pan and in efficiency for convenient discharge of the trapped insects" (lines 18-22).
Date: April 2, 1901
Creator: Inman, Joseph
Item Type: Refine your search to only Patent

Apparatus for Testing Errors of Refraction

Description: Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date: July 2, 1907
Creator: Bahn, Gustavus Adolphus
Item Type: Refine your search to only Patent

Arc-Lamp Headlight

Description: Patent for an electric arc headlight for trains, cars, or boats which produces a steady light and lasts long enough to allow travel over long distances.
Date: February 2, 1909
Creator: Lacy, Benjamin B.
Item Type: Refine your search to only Patent

Baling Press

Description: Patent for a baling press. This invention is a screw operated double acting plunger that compresses the bales. Illustration included.
Date: April 2, 1907
Creator: Tate, William Elbert
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Baling Press

Description: Patent for a baling press. This invention provides a lever and connection to move the plunger to the sliding fulcrum. Illustration included.
Date: October 2, 1906
Creator: Woodward, Lemuel A.
Item Type: Refine your search to only Patent

Baling-Press

Description: Patent for improving the baling press in which a rectangular bale of hay is formed. Compared to the traditional press the lever movement is circular and continuous.
Date: January 2, 1906
Creator: White, Edgar 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

Bed Slat Holding Means

Description: Patent for an invention that "relates to bed-slat-holding means; and the object of the same is to provide simple and effective devices for holding the end of a bed-slat, which is in part carried by the latter and the ledge of the side rail and operating to prevent loose assemblage of the slats with bed-rails and obviate a tendency to easy disengagement and also to maintain the opposite bed-rails in parallel relation and obstruct warping or lateral expansion" (lines 8-21). Illustrations are incl… more
Date: January 2, 1902
Creator: Cooper, Alexander R.
Item Type: Refine your search to only Patent

Bicycle-Frame

Description: Patent for "a bicycle-frame which shall be yielding and support the motor mechanism in such manner that it shall be upheld by the part of the frame which yields to the greatest extent without adding appreciably to the rigidity of the frame" (lines 11-17).
Date: July 2, 1901
Creator: White, Edward Young
Item Type: Refine your search to only Patent

Bottle-Closure

Description: Patent for closure of bottles used for liquors and medicines which will prevent an attempt to refill the bottle after its contents have been removed. Therefore, preventing the reuse of the bottle for fraudulent purposes.
Date: January 2, 1906
Creator: Herrington, Jacob
Item Type: Refine your search to only Patent

Cane-Topper

Description: Patent for "a device which may be readily secured to a wagon or any other suitable vehicle and which may be quickly adjusted so as to cut the tops of cane of different sizes" (lines 11-14).
Date: July 2, 1901
Creator: Palm, Oliver
Item Type: Refine your search to only Patent

Car Truck

Description: Patent for car truck. "This invention relates to car trucks, and one of the principal objects of the same is to provide an arrangement of equalizers which will reduce the lateral swinging motion of the car when passing around curves" (line 8-12). Illustration included.
Date: June 2, 1908
Creator: Haver, Edward H.
Item Type: Refine your search to only Patent

Cattle-Guard.

Description: Patent for an improved cattle-guard by using a guard that has a plurality of spurs, should an animal step thereon its foot will be directed against one or more of these spurs, thus causing the animal to withdraw its foot and not attempt to pass over the rail. This will prevent the animal from crossing railway-tracks, but the spurs will not interfere with the free passage of trains. (Lines 10-20) Illustration is included.
Date: April 2, 1901
Creator: Steinmann, Herman Werner
Item Type: Refine your search to only Patent

Cattle-Guard.

Description: Patent for a cattle guard for railroad tracks, which is activated by the pressure of a cow stepping on its platform and raises bars to block the the cow from crossing the track. It goes back down automatically when the pressure is removed off the platform.
Date: February 2, 1909
Creator: Crouch, Jim L.
Item Type: Refine your search to only Patent
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