UNT Libraries Government Documents Department - 779 Matching Results

Search Results

Safety Device for Locomotives.

Description: Patent for a safety device for a locomotive that can be automatically tripped to shut off the steam from the locomotive engine and apply air to the brake mechanism. Includes instructions and illustrations.
Date: September 15, 1914
Creator: Conover, James W.

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.

Picket Pointer.

Description: Patent for a picket pointer that sharpens and bevels pickets uniformly, including instructions and illustrations
Date: September 1, 1914
Creator: Purdy, John S.

Winding Drum.

Description: Patent for a winding drum that will prevent the overlap of the coils during winding, including instructions and illustrations.
Date: September 22, 1914
Creator: Voigt, Philip H. & Kuehne, Oscar C.

Pipe Wrench.

Description: Patent for a double acting pipe wrench with detachable jaws which can be easily removed and replaced, and which will allow a section of pipe to be turned in either direction. The patent includes instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.

Bit Brace.

Description: Patent for a bit-brace with a crank arm which can be secured to the bit chuck and which has an adjustable hand, so the chuck may be rotated while the brace remains stationary.
Date: August 18, 1914
Creator: Hall, Samuel N.


Description: Patent for a coop to ship poultry and similar animals. Slidable slats and bars allow for food and water access.
Date: April 13, 1915
Creator: Ferguson, Charles W.

Vaporizer for Use with Electric Fans

Description: Patent for an improvement on diffusers used for purifying, cooling and humidifying air.
Date: October 6, 1914
Creator: Stratford, John R. & Ackley, John A.


Description: Patent for tie-clasp for men's neckties, which will hold the tie in place and prevent it from becoming loose or untied.
Date: October 13, 1913
Creator: Willingham, Charles F.


Description: Patent for an improved telegraph repeater which uses electromagnetic elements to repeat both ways.
Date: November 10, 1914


Description: Patent for a combination paper holder and display device, that holds paper towels and toilet paper and also has a display device to view.
Date: November 24, 1914


Description: Patent for an airship of improved construction, which allows for the operator to change their positions to propel, raise, lower and steer the ship.
Date: November 10, 1914
Creator: John William Oman

Coin-Controlled Vending-Machine

Description: Patent for a pencil vending machine that is coin-operated, with illustrations.
Date: September 5, 1911
Creator: Mathes, John W.

Design for a Hatchet or Ax Head.

Description: Design patent for a hatchet or ax head that is marked by a substantially wedge-shaped claw configured to the head.
Date: May 9, 1899
Creator: Charpiot, John B.

Design for Rein Holder

Description: Design for a rein holder that has a longitudinally-curved base piece that ends with opposite duplicate substantially U-shaped bends.
Date: October 19, 1897
Creator: Saunders, David R.


Description: Patent for a drill especially adapted for use in rock and earth formations. The drill has a number of separate cutters that are secured onto a head and detachable, which gives the tool many advantages.
Date: November 4, 1913
Creator: Weathersby, Fred Richard


Description: Patent for
Date: June 30, 1914
Creator: Weathersby, Fred Richard

Adding Machine.

Description: Patent for a new and improved adding machine using rotating discs.
Date: December 8, 1914
Creator: Druschke, Julius C.


Description: Patent for a Baking Pan for bread and similar foods, noted for its unique construction, such "that the heat given off from the fuel burner will be confined so as to completely surround the pan, in which the articles to be cooked, are located" (lines 13-17).
Date: July 28, 1914
Creator: Boger, Daniel W.


Description: Patent for a chain wrench "in which both of the jaws are similar and interchangeable and provided with additional sets of teeth whereby the life of the jaws is increased" (lines 12-16) including instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.


Description: Patent for new design of an improved oil burner.
Date: May 5, 1914
Creator: Matthews, Cranmer L. & Matthews, Arthur B.