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Clock.

Description: Patent for self-winding secondary clocks that are "connected in series to be timed by a master clock and more particularly to tower clocks" (lines 10-12) with the objectives of keeping perfect time and winding periodically, including instructions and illustrations.
Date: May 6, 1913
Creator: Friedman, Bernhard Z.
Partner: UNT Libraries Government Documents Department

Time Circuit Closer

Description: Patent for a time circuit closer for use in managing the movements of secondary clocks regulated by a masterclock. Illustration included.
Date: January 8, 1907
Creator: Guthrie, William S.
Partner: UNT Libraries Government Documents Department

Clock Calendar

Description: Patent for a clock calendar.
Date: December 8, 1903
Creator: Woods, Jesse Leroy
Partner: UNT Libraries Government Documents Department

Calendar Clock

Description: Patent for calendar clock. Illustration included.
Date: February 26, 1907
Creator: Woods, Jesse Leroy
Partner: UNT Libraries Government Documents Department

Advertising Clock

Description: Patent for an advertising clock. This invention is designed to display advertisement at regular intervals. Illustration included.
Date: March 2, 1909
Creator: Barnett, John Beverly & Turner, W. N.
Partner: UNT Libraries Government Documents Department

Time-Strike for Watch and Clock Movements.

Description: Patent for time striking mechanism for watches and clocks that strikes different amounts of time for the quarters of an hour so that the approximate time may be known when there is no light available to see the clock face.
Date: April 14, 1908
Creator: Stricker, Carl H. J.
Partner: UNT Libraries Government Documents Department

Secondary Electric Clock

Description: Patent for a secondary electric clock. This invention uses a predetermined movement of the clocks hands thereby preventing any abnormal movement in a secondary clock controlled by a master clock. Illustration included.
Date: May 28, 1907
Creator: Guthrie, William S.
Partner: UNT Libraries Government Documents Department

Electric Clock

Description: Patent for an electric clock. Illustration included.
Date: December 25, 1906
Creator: Iversen, Henry
Partner: UNT Libraries Government Documents Department

Striking Mechanism for Clocks

Description: Patent for a striking mechanism for clocks which strikes a bell a number of times to indicate the hour of the day. Illustrations included.
Date: February 18, 1913
Creator: Friedman, Bernhard Z.
Partner: UNT Libraries Government Documents Department

Electric Program-Clock.

Description: Patent for "certain new and useful Improvements in Electric Time-Reminder Clocks" (lines 5-7) which are "designed for service in furnishing notice to the user of acts to be performed at previously-specified times or periods" (lines 12-14).
Date: September 24, 1901
Creator: Dubinski, Benjamin
Partner: UNT Libraries Government Documents Department

Indicator For Clocks or Watches

Description: "This invention relates to new and useful improvements in indicators for clocks or watches and it is the primary object of the invention to provide character wherein a signal will be displayed automatically when it is necessary that the motor of the clock be rewound, it being well to state, it is thought, that the invention is intended for such clocks that employ either weight or spring motors." Aeschlimann, Adolph E. (1908). Indicator For Clocks or Watches. United States Patent Office. Retrieved from http://edit.texashistory.unt.edu/ark:/67531/metapth508391/view/#page/2/mode/1up.
Date: 1908/11/17
Creator: Aeschlimann, Adolph E.
Partner: UNT Libraries Government Documents Department

Clock Striking Mechanism.

Description: Patent for a new and improved clock-chimes. This design consists in "[t]he combination, with the chime of bells in the clock case, of the wheel having the lateral pins, the rock-shaft, a lever extending from the rock-shaft and engaging the said pins, and the hammer arms respectively connected with the rock-shaft by the short arm" (lines 21-26).
Date: September 22, 1885
Creator: Witherspoon, Frank.
Partner: UNT Libraries Government Documents Department

Telephone Time Signal-Repeating System.

Description: Patent for a system to automatically signal the current time over phone-lines.
Date: October 30, 1883
Creator: Oram, John M.
Partner: UNT Libraries Government Documents Department

Escapement for Torsion Pendulums.

Description: Patent for a new and improved escapement for torsion pendulums. This design "consists in one or two weighted levers acting in conjunction with an escape-wheel and a spindle, which levers are used as a medium to carry force from the train of a clock to the pendulum" (lines 12-16).
Date: February 5, 1884
Creator: Stahlberg, Charles.
Partner: UNT Libraries Government Documents Department

Improvements in Escapements for Time-Pieces

Description: Patent for inprovements in escapements for time-pieces involving levers and duplex escapements as a way of improving force and regularity in time-pieces. Patent gives instructions and provides illustrations.
Date: October 21, 1879
Creator: Laughlin, Abner G.
Partner: UNT Libraries Government Documents Department

Electric Time-Signaling Apparatus.

Description: Patent for an electric time-signaling apparatus meant for use in hotels or other places where employees need to be alerted. The invention rings a bell and turns on a light when the signals goes off. "If the current of an incandescent electric-light system was electrically connected with a time-circuit, it would destroy the whole mechanism of the time-circuit" (lines 26-29).
Date: November 19, 1895
Creator: Todd, James T. A.
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: Patent for an inexpensive, simple, and durable automatic electric alarm that allows people in house or hotel rooms, mines, ships, shops, etc. to signal for another person. The alarm is wired to a clock so it can be programmed to go off at a certain time.
Date: January 7, 1896
Creator: Stansel, Thomas J.
Partner: UNT Libraries Government Documents Department

Clock-Level.

Description: Patent for a clock level that is made up of a wall-plate that is attached to the wall, arm braces that are attached to the wall-plate, thumb-screws in the lower shelf-plate, a shelf-plate, levels, plates secured to the edge of the shelf, and leveling nibs.
Date: January 8, 1895
Creator: Marshall, William J.
Partner: UNT Libraries Government Documents Department

Watchmaker's Tool.

Description: Patent for a watchmaking device that allows for the operator to hold the watch wheel in one hand "while the instrument is fastened upon the roller by the other" (lines 20-22). The invention also has a centering device and auxiliary appliances that make all movements by the extractor accurate and even. This device does not injure the staff or pivot.
Date: January 16, 1894
Creator: Bricker, John A.
Partner: UNT Libraries Government Documents Department

Clock-Winding Mechanism.

Description: Patent for "an improved mechanism for the periodical automatic winding of clocks by water power, and has for its object to provide an apparatus that will be adapted to utilize the power afforded by the gravity of water discharged at regular intervals from a tank, which is in an elevated position and is supplied with water by rain fall or other means" (lines 8-16).
Date: September 26, 1893
Creator: Everhart, Martin
Partner: UNT Libraries Government Documents Department

Electric-Arc Lamp.

Description: Patent for improvements to electric-arc lamps to regulate the feed of the carbon-carrying rod, with illustrations.
Date: July 6, 1897
Creator: Walsh, James J.
Partner: UNT Libraries Government Documents Department

Electric Clock.

Description: Patent for new and useful improvements in electrically operated clocks, including instructions and illustrations.
Date: February 13, 1900
Creator: Iversen, Henry
Partner: UNT Libraries Government Documents Department

Clock Attachment

Description: Patent for an improved clock attachment to operate "a series of alarms or signals arranged in different rooms of a building or in other separated stations for simultaneously sounding the alarms or for operating the signals at predetermined times." (lines 11-17) including illustrations.
Date: January 11, 1915
Creator: Moore, John R.
Partner: UNT Libraries Government Documents Department