UNT Libraries Government Documents Department - 29 Matching Results

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Puzzle.

Patent for a wooden cube puzzle made up of many irregular shaped pieces, which can be manufactured to be hard or easy.

Date: April 14, 1908

Creator: Critchett, James C.

Item Type: Patent

Pianissimo Device.

Patent for a pianissimo device for upright pianos, which "takes up the lost motion when the soft pedal is used by automatic means" (lines 14-16).

Date: April 14, 1908

Creator: Decker, Herman L.

Item Type: Patent

Air-Lock for Mines and Tunnels

Patent for an air lock to remove water, polluted air, and heat from mines and tunnels and force in fresh air. Illustrations included.

Date: September 8, 1908

Creator: Durack, Partick H.

Item Type: Patent

Means for Ventilating and Expelling Water from Mines.

Patent for a ventilation and water pumping system for mines, which pumps out water underground, removes foul air and gases, and keeps the mine supplied with fresh air through pressurizing the air in the mine.

Date: July 21, 1908

Creator: Durack, Patrick H.

Item Type: Patent

Wire Clamp or Grip

Patent for a wire clamp or grip. Illustration included.

Date: March 10, 1908

Creator: Eubank, Josephus H. & Merchant, W. B.

Item Type: Patent

Hook.

Patent for a hook that folds up for use in small spaces on garments.

Date: June 9, 1908

Creator: Havens, Berthal Dale-Owen

Item Type: Patent

Auto-Door Stop

Patent for a door stop that is cheap to produce and holds doors firmly.

Date: November 3, 1908

Creator: Hill, Ulysses H.

Item Type: Patent

Car-Truck.

Patent for a car truck for use on trains, which can withstand heavy loads and high speeds.

Date: August 25, 1908

Creator: Mayo, William C.

Item Type: Patent

Electric Track-Brake.

Patent for an electric train brake, which allows trains to not slow down on curves without derailing and allows faster emergency braking.

Date: August 25, 1908

Creator: Mayo, William C.

Item Type: Patent

Electrically Operated Air Brake System

Patent for an electrically operated air brake system.

Date: August 25, 1908

Creator: Mayo, William C.

Item Type: Patent

Nut-Lock.

Patent for a nut-lock for car wheels, which holds the wheel securely together.

Date: February 18, 1908

Creator: Mayo, William C.

Item Type: Patent

Air-Brake, Lighting, and Signaling System for Railway-Trains

Patent for an electrical system which provides air brake, lighting, and signaling mechanisms for trains. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Car-Wheel

Patent for a car wheel made to ease turning on rounding corners and to prevent slipping due to differences in wheel sizes.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Liquid-Dispensing Apparatus.

Patent for a coin operated drink machine, which dispenses a set amount of liquid into a cup when a coin is inserted.

Date: August 25, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Means for Converting Reciprocatory Motion into Rotary Motion

Patent for a means for converting reciprocatory motion into rotary motion, or vice-versa. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Regulator for Dynamo-Electric Machines.

Patent for an electric dynamo machine regulator for use in traction systems on trains.

Date: August 25, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Speed-Changing Gear.

Patent for an automatic speed changing gear for trains.

Date: October 27, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Transmission-Gearing.

Patent for a transmission gearing for a traction system for trains, which can be used on all types of curves without ill effects.

Date: August 25, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Yielding Power-Coupling

Patent for a yielding power coupling to connect power units in cars to form a complete system. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Item Type: Patent

Annuciator

Patent for an annunciator. "This invention is designed for use in connection with a complete traction system" (lines 13-14). The design drives instruments via a train air system so that air pressure is constantly maintained. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C.; Houlehan, John & Briggs, George E.

Item Type: Patent

Automatic Multiple Fuse Block

Patent for an automatic multiple fuse block. This invention is "provided a normally inactive shunt circuit through which, when a fuse is blown, the current is diverted to an electro-mechanical means which, when the rush of current causing the fuse to blow" (16-21). Illustration included.

Date: February 18, 1908

Creator: Mayo, William C.; Houlehan, John & Briggs, George E.

Item Type: Patent

Ticket Vending Machine

Patent for a ticket vending machine. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C.; Houlehan, John & Briggs, George E.

Item Type: Patent

Liquid Dispensing Apparatus

Patent for liquid dispensing apparatus. Illustrations included.

Date: November 10, 1908

Creator: Mayo, William C.; Houlehan, John & Briggs, George Edwin

Item Type: Patent

Ticket Selling Machine

Patent for a ticket selling machine.

Date: August 25, 1908

Creator: Mayo, William C.; Houlehan, John & Briggs, George F.

Item Type: Patent

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