UNT Libraries Government Documents Department - 593 Matching Results

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Compression Indicator

Description: Patent for a device that determining the compression of engine cylinders. Is meant to provide a more efficient and quicker way to test compression in explosive engine cylinders.
Date: November 26, 1918
Creator: Lambeth, Acey L.
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

Adjustable Friction-Grab for Fishing-Tools.

Description: Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.
Item Type: Refine your search to only Patent

Lock-Strike.

Description: Patent for simple and durable lock plates for door frames. This patent is for the keeper plates for door locks and is an invention "for rendering the plate adjustable both vertically and horizontally without detaching the same from the door jamb" (lines 11-14). Includes one illustration page and description.
Date: July 9, 1918
Creator: Russell, Leo
Item Type: Refine your search to only Patent

Toy

Description: Patent for improvements in the construction, arrangement, and combination of parts used in building articulated toy snakes that mimic the animal's movement. The patent and illustrations describe the shapes of the toy's sections and the manner of their hinged connection to one another.
Date: September 19, 1922
Creator: Davis, William Theodore
Item Type: Refine your search to only Patent

Paint.

Description: Patent for paints for roofs and for barns to prevent leaks and efficient in preserving the material of buildings at a relatively small costs.
Date: July 20, 1920
Creator: Watson, Grover C.
Item Type: Refine your search to only Patent

Cradle.

Description: Patent for an improved cradle with a hinged locking enclosure for providing protection against an infant falling out, intrusion of insects, excess sun, and inclement weather.
Date: October 31, 1916
Creator: Vanék, Joseph
Item Type: Refine your search to only Patent

Lamp-Burner

Description: Patent for the provision of spring pressed clamps pivotally mounted on a burner and adapted to engage opposite sides of the base of a lamp chimney and thereby securely hold the lamp chimney in place on the burner and yet permit the ready removal of the chimney.
Date: January 4, 1916
Creator: Patterson, Simon H.
Item Type: Refine your search to only Patent

Gasolene-Cut-Off Lock for Automobiles.

Description: Patent for a lock-controlled device to cut-off gasoline to the carburetor to prevent unauthorized or accidental use of the automobile. "Further objects of the invention are to provide a device of this character which is simple and inexpensive in its construction" (lines 20-22).
Date: November 2, 1915
Creator: Reid, William Otho
Item Type: Refine your search to only Patent

Spring-Wheel.

Description: Patent for improving Spring-Wheels that "prevent the wheel from 'skidding' or slipping upon muddy or soft roads [...] which may be applied without material structural change to wheels of forms and sizes" (lines 9-15), including illustrations.
Date: March 28, 1916
Creator: Mensik, Joseph
Item Type: Refine your search to only Patent

Folding Hay-Rake.

Description: Patent for a hay rake that may have its working width considerably reduced when the machine is being conveyed to or from a field, including illustrations.
Date: November 24, 1914
Creator: Glenn, James R. & Glenn, Jesse, E.
Item Type: Refine your search to only Patent

Reversing Mechanism For Engines.

Description: Patent for improvements in "reversing mechanism for engines, where the operating lever may be supported in such a manner as to substantially eliminate lost motion, and where the reverse lever may be operated with greater convenience and facility." (lines 11-17).
Date: December 5, 1916
Creator: Wagner, Warren
Item Type: Refine your search to only Patent

Monkey Wrench

Description: Patent for a type of monkey wrench in which the movable jaw of the wrench is mounted upon the fixed jaw so that it is easily shifted upon the disengagement of a detent for the fixed jaw. This allows the wrench to be held in any desired adjusted position with relation to the fixed jaw.
Date: October 18, 1912
Creator: Joseph Mensik
Item Type: Refine your search to only Patent

Cut-Off Lock

Description: Patent for gasoline cutoff for motor vehicles. Allows for vehicle to be still in use or running when left unattended, but will prevent it from being stolen.
Date: January 9, 1917
Creator: Reid, William O.
Item Type: Refine your search to only Patent
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