2,194 Matching Results

Search Results

Burglar-Alarm

Description: Patent for a burglar alarm that can be attached to a car door. Illustrations included.
Date: October 8, 1912
Creator: Halstead, Thomas J.
Partner: UNT Libraries Government Documents Department

Automatic Weighing-Scale

Description: Patent for improvements in automatic weightlifting scales. The modifications aim to facilitate the weighting of materials in bulk.
Date: December 12, 1911
Creator: Carter, Edward D.
Partner: UNT Libraries Government Documents Department

Closet-Flushing Mechanism.

Description: Patent for a water closet flushing mechanism, which prevents the water from standing in the toilet bowl where it is liable to freeze in cold weather.
Date: June 20, 1911
Creator: Parker, Thomas H.
Partner: UNT Libraries Government Documents Department

Gin.

Description: Patent for improved cotton gins through the "construction and arrangement of the roll box and the ginning devices" (lines 11-12).
Date: December 12, 1911
Creator: Murray, Stephen D.
Partner: UNT Libraries Government Documents Department

Apparatus for Transmitting Sound-Waves

Description: Patent for transmitting sound waves by magnetic induction and to "furnish an apparatus by which these different vibrations can be heard at the receiving end" (lines 20-22). Includes descriptions and illustrations.
Date: October 17, 1911
Creator: Harvey, Fred Brown
Partner: UNT Libraries Government Documents Department

Automatic Hay-Press

Description: Patent for an automatic hay press that ties three sides of the bale while in the press and the fourth outside of it.
Date: March 14, 1911
Creator: Parvin, William S. & Muse, Warwick J.
Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for an aeroplane with a propeller, which is "pivotally mounted and adjustable into different positions relative to the planes in order to produce either a rising movement or thereof or a driving movement in a horizontal or other plane" (lines 26-30).
Date: September 19, 1911
Creator: Andrae, Ernest H.; Andrae, E. H.
Partner: UNT Libraries Government Documents Department

Automatic Time-Controlled Operating Mechanism.

Description: Patent for improvements in automatic time-controlled operating mechanisms by using a combination of a spring-actuated rotary disk, a clock mechanism, and co-acting cams to automatically operating at predetermined times, electric switches and other devices, such as locking and unlocking doors of warehouses. Illustration is included.
Date: January 18, 1910
Creator: Chappel, James M.
Partner: UNT Libraries Government Documents Department

Crank-Rod Bearing

Description: Patent for a crank rod bearing designed to account for wear damage. Illustrations included.
Date: December 10, 1912
Creator: Stauffer, Floyd F.
Partner: UNT Libraries Government Documents Department

Car-Door.

Description: Patent for a door for railroad boxcars, which locks tightly and does not swell.
Date: September 13, 1910
Creator: Ward, Frank & Hollingsworth, Joseph C.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner.

Description: Patent for a crude oil burner for heating stoves, which heats the oil to a high temperature to provide faster vaporization of the oil.
Date: October 11, 1910
Creator: Patton, William D.
Partner: UNT Libraries Government Documents Department

Copy Holder

Description: Patent for a copy holder for use while typewriting. Illustrations included.
Date: January 3, 1911
Creator: Ireland, Ward S.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen