UNT Libraries Government Documents Department - 29 Matching Results

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Burglar-Alarm.

Description: Patent for an improved burglar alarm to attach to a door or window with a "simple locking device for the hammer" so that the alarm can be transported and reinstalled safely (lines 15-16).
Date: June 3, 1902
Creator: Moody, Winfield H.
Item Type: Refine your search to only Patent

Alarm Attachment for Electric Bells.

Description: Patent for "an Alarm Attachment for Electric Bells." "The object in view is the provision of means for facilitating the change of an ordinary door-bell into a continuously-ringing alarm apparatus, while leaving the mechanism free to be changed back into its former operative condition as a door-bell."(Lines 10-15) Including illustrations and instructions.
Date: June 30, 1902
Creator: Blakeney, Henry
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for Car brake. Improvements in street car brake system which is based on the concept of physical force applied on the fender or apron which in turn forces the shoe on the rim.
Date: July 15, 1902
Creator: Brown, Frank O. & Moore, Edward T.
Item Type: Refine your search to only Patent

Bicycle.

Description: Patent for "...a bicycle-frame so constructed that it is adapted to yield automatically...thereby doing away with the necessity of using pneumatic and puncturable tires..." (lines 10-11, 15-17) including illustrations.
Date: March 25, 1902
Creator: Smith, George Washington
Item Type: Refine your search to only Patent

Dallas Sheet

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1902
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.75 -96.75

Spring Hinge

Description: Patent for providing a "door-hinge of simple and durable construction swinging freely either way from a spring which is fast at one end, but adapted at the other to ride freely up and down the doorjamb" (lines 9-12) including an illustration.
Date: January 21, 1902
Creator: Kincaid, Michael A. D.
Item Type: Refine your search to only Patent

Rotary Steam-Engine.

Description: Patent for an invention that "relates to rotary engines in general, and more particularly to that class wherein a piston is disposed eccentric to the cylinder and is provided with radially-movable heads disposed to travel against the inner periphery of the cylinder and receive the steam-pressure, the object of the invention being to provide a simple and efficient construction which will develop a high speed with a minimum consumption of steam" (lines 12-21). Illustrations are included.
Date: July 22, 1902
Creator: Hays, James T. & Wilson, John W.
Item Type: Refine your search to only Patent

Seed-Planter.

Description: Patent for new improvements in seed-planters that will drop one seed at a time at different spacings, improve the force-feed operation, adapt to different kinds or sizes of seed, cover and pack the soil, and create a simpler and more efficient machine, including illustrations.
Date: February 18, 1902
Creator: Ledbetter, William H.
Item Type: Refine your search to only Patent

Process of Magnetically and Statically Treating Ores

Description: Patent for "a process for magnetically and statically treating ore to separate the valuable metal therefrom during its passage through a single machine" (lines 11-14). In particular, the treatment helps to remove magnetic particles that have sharp corners or points that may interfere with other processes.
Date: November 25, 1902
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Item Type: Refine your search to only Patent

Horse-Collar-Blocking Machine.

Description: Patent to improve machines for manufacture of horse-collars, specifically by addressing the shaping of the horse collar, or “blocking.” The patent specifies a collar holder that “conforms to the finished outline of the collar” (line 20), a binding mechanism “brought firmly about the rim of the collar and there held while pressure is brought upon the body of the collar to properly shape it” (lines 21-25), and independent control over the “degree of strain of the binder about the collar and the … more
Date: March 4, 1902
Creator: Dodson, Roy
Item Type: Refine your search to only Patent

Doll Novelty.

Description: Patent for a new device, which is a rounded, weighted base placed in a doll that allows the doll to raise itself when turned over on any side without external assistance by lowering the doll's center of gravity. Descriptions of materials used and illustrations are included..
Date: November 4, 1902
Creator: Flint, William G.
Item Type: Refine your search to only Patent
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