UNT Libraries Government Documents Department - 1,442 Matching Results

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Automatic Switch Indicator

Description: Patent for an automatic switch indicator. This invention is designed to "prevent accidents resulting from misplaced switches, due to the carelessness of the railroad employees or the inability of the engineer to see the customary track-signals" (line 14-19). Illustrations included.
Date: October 23, 1906
Creator: Coffin, Edward F.; Shaw, Carey & Green, Samuel
Item Type: Refine your search to only Patent

Automobile Driving Mechanism.

Description: Patent for a driving mechanism for an automobile to dispense with the usual form of transmission gearing and differential, to substitute mechanisms power devices through the medium of a suitable liquid [preferably oil], maintained at a predetermined volume, and to provide a noiseless operating mechanism.
Date: October 31, 1916
Creator: Allan, William N.
Item Type: Refine your search to only Patent

Automobile-Jack.

Description: Patent for an automobile jack designed to be attached to a beam embedded in a garage's concrete floor, with an added safety mechanism to prevent collapse. Including instructions and illustrations.
Date: October 15, 1918
Creator: Black, James
Item Type: Refine your search to only Patent

Automobile-Puller.

Description: Patent for "the provision of a device adapted to be secured on the hub of the wheel for pulling the automobile out of mud or sand where the wheel would ordinarily spin without propelling the vehicle" (lines 11-16). It also includes an illustration.
Date: October 25, 1921
Creator: Wright, Joseph H.
Item Type: Refine your search to only Patent

Automobile Windlass.

Description: Patent for improved Automobile Windlasses. It is a combination of horizontally disposed tubular sections on the right and left hand, an improvement in the windlass attaching mechanism.
Date: October 11, 1921
Creator: Davis, Marion A.
Item Type: Refine your search to only Patent

Axle Lubricator.

Description: Patent for a new and improved axle lubricator. This design consists in "[t]he combination, with the barrel or reservoir, its piston, and screw of the passage leading up from the top of the barrel-chamber, and the tube passing through the axle-collar and into a cavity of the axle arm" (lines 92-97).
Date: October 7, 1884
Creator: Keller, Henry
Item Type: Refine your search to only Patent

Balanced Slide Valve.

Description: Patent for a new and improved balanced slide-valve. This design consists in a "Steam-chest, a valve sliding therein, a chamber on top of the steam-chest, and a diaphragm in the top of the chamber and secured by a cap or plate, in combination with a frame having a packing-box and gland, an adjustable threaded stem or bolt passing through the frame, and the double-link connection between the said stem and valve" (lines 90-97).
Date: October 12, 1886
Creator: Bettis, William Irvin
Item Type: Refine your search to only Patent

Bale-Band Tightener

Description: Patent for a bale-band tightener, for "baling-presses; and its object is to provide a new and improved bale-band tightener which is simple and durable in construction and arranged to permit the operator to conveniently place the bands in position and fasten the ends together after the bale is pressed." (Lines 7-13)
Date: October 5, 1897
Creator: Duval, John L.
Item Type: Refine your search to only Patent

Bale-Tie.

Description: Patent for "a bale-tie which may with readiness and case be locked in position upon a bale and which will be positive in operation and thoroughly efiective for the purpose designed"(lines 8-12)
Date: October 28, 1902
Creator: Griggs, James Wesley
Item Type: Refine your search to only Patent

Bale-Tie Machine.

Description: Patent to for a machine to make and count bale-ties, "...to manufacture at small cost machines which will be compact, not taking up much space, and which will e simple in construction and durable" (lines 10-13). It includes an extensive explanation and illustrations.
Date: October 12, 1897
Creator: Harry, Owen K.
Item Type: Refine your search to only Patent

Baling - Press.

Description: Patent for a baling press, “an improvement in that class of automatic presses adapted for baling hay, cotton, excelsior and similar materials.” (lines 8-10) including illustrations.
Date: October 21, 1902
Creator: Curry, Monroe & Roberts, William P.
Item Type: Refine your search to only Patent
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