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Derrick.

Description: Patent for improvements in derricks or machines for hoisting heavy objects, which can be easily erected and operated; this device “can be manipulated with ease and by which the article being elevated or lowered may be changed in position without moving the support.” (Lines 20-23) Illustration is included.
Date: April 21, 1891
Creator: Lindsey, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Device for Cooling Milk and Butter.

Description: Patent for improvements in devices for cooling milk and butter by using textile materials to cover the buckets or pails that contain milk or butter or other food articles, then saturated these textile covered buckets or pails with water; thus reducing the temperature of the articles contained in the buckets or pails, owing to evaporation. Illustration is included.
Date: April 21, 1891
Creator: Hall, Charles T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Suspension-Bridge.

Description: Patent for improvements in suspension-bridge by using a combination of upper main cables reached from one pillar to the opposite pillar and anchored in the rear side of the pillars. A pair of lower cables at each side of the bridge; each pair being crossed at the center of the A-shaped or angular girders, these girders are bent for use as receiving hooks to form vertical stays. A series of girders hold the upper and lower cables in position thus making the bridge strong, light and rigid span.… more
Date: April 28, 1891
Creator: Tucker, Argyle W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Snap-Hook.

Description: Patent for improvements in snap-hooks by using just one “single piece of wire, having a stationary arm that bent to form an inwardly-extending shank with its extremity bent in a reverse direction upon itself to form a bearing; the spring-arm and the spring-loop formed by coiling the wire upon itself and crossing, and extending outward at an angle to form shoulders to strengthen the hook immediately in front of the spring-loop.” (Lines 61-70) Illustration is included.
Date: April 28, 1891
Creator: Stukes, John Marion
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for improvements in washing-machines by using a combination of adjustable stationary rubbing-board and a rotary rubbing-cylinder to regulate the pressure on the clothes and at the same time, clothes can be cleaned without injury to them. Illustration is included.
Date: April 7, 1891
Creator: Polk, Kindrick Ford
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for an improvement in washing-machines by using a novel arrangement of the rollers, the tub-supporting frame, the horizontal swinging rubber, and a series of closely arranged longitudinal spiral springs; so that “the pressure upon each separate article can be adjusted or regulated by the judgment of the [operator].” (Lines 12-14) Illustration is included.
Date: April 7, 1891
Creator: Bennington, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for improvements in washing-machines known as “roller and bed and it consists of a rubber-bed adapted to operate in conjunction with a rotatory rubber…….the bed being regulated by tightening screw-nuts upon the hooks which connect the springs with the end walls of said casing.” (Lines 13-22) Illustration is included.
Date: April 21, 1891
Creator: Wood, Commodore R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Whiffletree.

Description: Patent for an improvement in whiffletrees, made out of steel. It includes a description and illustration.
Date: April 21, 1891
Creator: Flatau, Louis S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Foot for Plow-Stocks.

Description: Patent for improvements in plows by using the combination of “two forwardly-curved bars which clamped to a plow-beam, and the heel having its forward end rigidly secured between the lower ends of the bars and its rear portion bent upwardly and forwardly and secured between the bars.” (Lines 94-100) Illustration is included.
Date: April 28, 1891
Creator: Brown, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fish-Harvester.

Description: Patent for a fish-harvester by providing “a floating device adapted to be anchored in a stream or other body of water and carrying the mechanism for taking fish from the water and delivering them to a suitable point on the shore, the whole operating either by steam, by wind, or by the current of the water.” (Lines 10-15) Illustration is included.
Date: April 14, 1891
Creator: Yoakum, Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Convertible Mop and Brush.

Description: Patent for improvements in convertible mops and brushes by using a “combination of the fountain-handle, the bail/frame secured thereto and provided with a rubber strip at its lower edge, and the mop secured to the bail/frame.” (Lines 3-7, p.2) Illustration is included.
Date: April 7, 1891
Creator: Bagby, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar-Alarm.

Description: Patent for a burglar-alarms by constructing “an alarm which would adapted and arranged to sound and to be operated at and by the raising of the window or opening of the door, and simultaneous with the sounding of the alarm to produce an illumination.” (Lines 10-15) Illustration is included.
Date: April 14, 1891
Creator: Canterbury, Crawford R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Compensating Pump-Spring.

Description: Patent for improvements in compensating pump-springs by “storing up in the downward or idle stroke of the suction-rod, a power which is expended during the upward stroke to assist the crank in lifting the rod; and at the same time reducing the power required to drive the pump, equalizing the resistance, increasing the efficiency and generally prolonging the life of the entire mechanism.” (Lines 36-40) Illustration is included.
Date: April 21, 1891
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baby-Walker.

Description: Patent for improvements in baby-walkers by using the combination of a circular base, standards, a rim connecting the tops of the standards, a rotating plate having runners on its lower side engaged with the rim, a guide-flange, a rigid central shaft having a ratchet-wheel, and a pawl for engaging the ratchet. Illustration is included.
Date: April 28, 1891
Creator: Lawson, Henry William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvements in automatic car-couplers by providing "the means for automatically coupling cars without exposing the operator to the risk and danger of going between the cars when coupling,” (lines 12-15) includes illustration.
Date: April 14, 1891
Creator: Chandler, Richard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for improvements in baling-presses by using a four-sided baling box/chamber with supporting-upright doors arranged at the top, at the front and one of the sides of the box. These doors can be hinged at diagonally-opposite corners of the box; locking-bolts are pivoted at the free end of the each door, the top door with locking-bar sliding through apertures in the uprights and the lever for operating the top door. Illustration is included.
Date: April 21, 1891
Creator: Klockmann, Henry G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn-Power.

Description: Patent for improvements in churns is to “simplify and improve the construction of the means for operating vertically-reciprocating churn-dashers and to enable the dasher to be adjusted vertically, according to the amount of lacteal fluid to be churned.” (Lines 11-15) Illustration is included.
Date: April 21, 1891
Creator: Dickey, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvement in automatic car-couplings “in which the coupling-pin (worked by a rope or chain) is guided in a vertical tube extending upward from the draw-head, and is supported in position for coupling by a block sliding with the draw-head,” (lines 9-14) includes illustration.
Date: April 14, 1891
Creator: Angerstein, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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