UNT Libraries Government Documents Department - 66 Matching Results

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Description: Patent for a new type of ant trap that captures ants by having them crawl up a wooden central chamber and then fall into a sheer metal pit. Includes illustrations.
Date: December 8, 1891
Creator: Walker, Stephen A.

Automatic Plow-Foot.

Description: Patent for an improved plow foot that allows for the easy installation or removal of the plow foot, secured connection of the plow foot, and improved regulation of the angle of the plow foot.
Date: July 29, 1913
Creator: Dugger, Thomas M.

Balanced Pump.

Description: Patent for a new and improved balanced pump. This design "relates to improvements in balanced pumps having two vertical receiving-cylinders provided with vertically-reciprocating plungers, and two vertical delivery-cylinders provided with plunging-barrels, all being provided with suitable valves operating automatically in conjunction therewith; and the objects of [the] invention are, first, to provide a pump by means of which water or other fluids may be conducted or raised with but little propelling power, and . . . to afford facilities for readily attaching it to be driven by any steam-engine" (lines 15-27).
Date: April 20, 1886
Creator: Ramsey, Haley S.

Balanced Pump.

Description: Patent for a new and improved balanced pump. This design "relates to improvements in balanced pumps having a horizontal cylinder provided with a horizontally-reciprocating plunger, and a curved cylinder placed directly under it, provided with a curved plunger, both having suitable valves operating automatically in conjunction therewith" (lines 8-14).
Date: July 1, 1884
Creator: Ramsey, Haley S.


Description: Patent for improvements on a churn design, in particular for churns with a vertical dasher that have reciprocating motion.
Date: October 27, 1891
Creator: Henderson, Henry Thomas


Description: Patent for an improvement in churn covers "which will embody a closed dead-air space above the body of the churn, a guide-tube for the dasher-rod, and the special construction at the outer edge of the base of the cover by which to provide a channel to fit upon the upper edge of the churn-body" (lines 10-15).
Date: May 27, 1902
Creator: Van Hoozer, Thomas H. B.

Cloth Bucket or Vessel.

Description: Patent for a cloth bucket or vessel to place milk or water in to keep it cool when ice is not available. One places the bucket in the shade and the air circulates freely through the bucket. The bucket is thick enough that it will not drip, but is breathable to allow aeration and evaporation.
Date: January 14, 1896
Creator: Slack, Robert A.

Coffee Mill Attachment.

Description: Patent for a new and improved coffee-mill attachment. This design "is to provide an attachment for coffee-mills whereby a cup or other receptacle can be suspended beneath the discharge-spout of the mill to receive the ground coffee therefrom, and which vessel can also be easily and readily fitted or adjusted beneath or removed from the discharge-spout, and to provide means which can be applied very easily and readily to hand coffee-mills of any class, and which shall be simple in construction and inexpensive" (lines 16-26).
Date: September 14, 1886
Creator: Wiesendanger, Emil Ulrich

Cotton and Corn Chopper.

Description: Patent for an "attachment to a cultivator to chop or thin corn, cotton, and other drilled plants at the same time it is being plowed and without interfering in the work of the cultivator" (lines 14-18).
Date: February 26, 1907
Creator: Graham, Daniel O.


Description: Patent for a shovel that is designed for scrapping and opening furrows. The angle of the shovel blade can be easily adjusted to the correct angle as to make the correct size furrow row in the field.
Date: December 19, 1902
Creator: Johnson, Alvis

Double Acting Pump.

Description: Patent for a new and improved pump. This design is "to provide a novel, simple, and efficient double-acting balanced pump of such construction and mode of operation that the power required to operate it is only such as is requisite to lift the quantity of water discharged at each stroke" (lines 8-13).
Date: October 12, 1886
Creator: Ramsey, Haley S.

Evaporator and Furnace.

Description: Patent for a new and improved evaporator and furnace. This design is "compris[ed of] the side walls provided on their opposing faces at one end with the horizontal grooves, and the inclined rearwardly-extending grooves communicating at their lower ends with the grooves, the front end wall having the doors . . . the rear end wall having the . . . collar for the attachment of a smoke-pipe, the bottom plate having its edges secured in the inclined grooves, and the grate-bars having their ends secured in the grooves, the side and end walls being bolted together and thereby rendered separable" (lines 7-20).
Date: July 26, 1887
Creator: Stallcup, William P.

Fifth Wheel.

Description: Patent for a new and improved wheel. This design consists in "the combination of the lower section carried by the axle, an upper section bearing on the lower section and having the spaced lugs, a bolster fitted between the said lugs, a reach having its front end resting on the upper section, and the plate secured to the front end of the reach and having the loops at its ends, which fit around the upper and lower sections" (lines 39-47).
Date: January 11, 1887
Creator: Switzer, William C.