35 Matching Results

Search Results

prev Results: 25 - 35

Rock Drill

Description: Patent for a rock drill. This invention is designed for use with a pitman driven by a crank movement or a direct ratchet connected to a driving rod. Illustrations included.
Date: December 24, 1912
Creator: Speer, George F.
Partner: UNT Libraries Government Documents Department

Trolly Catcher.

Description: Patent for simple and inexpensive devices for tripping the trolley pole of an electric car by automatically releasing the tension of the maintaining springs which hold the trolley pole in operative position, so that the trolley pole will drop downwardly shortly after it is displaced from under the trolley wheel and not rise up and break the suspension devices.
Date: November 10, 1912
Creator: Reames, Charles H.
Partner: UNT Libraries Government Documents Department

Boat-Propeller

Description: Patent for a boat propeller that runs more efficiently by turning in such a way that the load of water on the propeller is taken off when its blades are going up.
Date: July 16, 1912
Creator: Reames, Charles H.
Partner: UNT Libraries Government Documents Department

Bale-Tie Buckle

Description: Patent for a bale tie buckle made up of hooks that will not come apart under pressure.
Date: July 23, 1912
Creator: Eddleman, Dudley E. & McFarland, Frank H.
Partner: UNT Libraries Government Documents Department

Advertising Device

Description: Patent for an Advertising Device. This device provides "a series of hinged leaves so mounted that those exposed to view have the experience of being part of a book." (lines 14-17). "A further object is to provide means which will conceal the operating mechanism, and mystify the observer" (lines 23-25), with a "supporting structure and a dummy provided with a movable hand...for turning said movable shaft as the leaves are turned" (lines 3-13).
Date: April 6, 1912
Creator: Friedman, Bernard Z.
Partner: UNT Libraries Government Documents Department

Combined Socket and Switch for Electric Lights

Description: Patent for a combined socket and switch for electric lights that allows different bulbs of a chandelier to be turned on separately.
Date: August 20, 1912
Creator: Bailey, Douglas A.
Partner: UNT Libraries Government Documents Department

Closer for Cans and the Like.

Description: Patent for an efficient, easy-open-and-close top for various types of cans which are used frequently.
Date: May 28, 1912
Creator: Perkins, William Hunter
Partner: UNT Libraries Government Documents Department

Apparatus for Making Carbureted Hydrogen Gas.

Description: Patent for improved apparatus for manufacturing carbureted gas at small cost for illuminating and general heating and power purposes.
Date: March 5, 1912
Creator: Herndon, Joseph R.
Partner: UNT Libraries Government Documents Department

Air-Cycle

Description: Patent for an air cycle that allows a person to fly by pedaling. Illustrations included.
Date: January 9, 1912
Creator: Price, Joseph H.
Partner: UNT Libraries Government Documents Department

Controller Attachment for Levers

Description: Patent for improvements on controllers for levers
Date: February 6, 1912
Creator: Smith, David C.
Partner: UNT Libraries Government Documents Department

Combination-Swing and Other Articles of Furniture

Description: Patent for a porch swing that can be converted into other different articles of furniture. Illustrations included.
Date: January 9, 1912
Creator: Sanders, Ira B.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen