UNT Libraries Government Documents Department - 12 Matching Results

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Bottle-Closure
Patent for an improved bottle closure.
Dry Ore-Concentrator.
Patent for a dry ore concentrator with illustrations included.
Hammock-Support.
Patent for hammock support which is securely fastened and can be readily removed.
Interlocking-Bar Grating for Jails.
Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Lining for Cells, Vaults, or the Like
Patent for Lining for Cells, Vaults, or the Like. The Linings whether employed in Jail-Cells or other Similar Buildings , and the object thereof is to provide a structure made up of parts which may be placed within a room or enclosure and securely built therein without necessity of using patch-bolts or screws.
Lock.
Patent for an improvement to combination-locks for doors, safe, and bureaus, "with readily-operated means for holding the combination-disks inactive and in position to permit a locking-bolt to be freely operated by a key when so desired, which means will also permit the combination to be set so that the bolt cannot be moved by a key until the disks of the combination have been brought to proper position." (lines 11-18)
Nursing-Bottle
Patent for nursing bottle with a removable side wall so the it can be easily cleaned.
Opera-Chair.
Patent for opera chairs that can be used in audience halls. It is mentioned as seats that are rotatable with foldable arms providing enough space for the exit.
Ore-Conveying Surface for Electrical Separators.
Patent for “ore-conveying surface for electrical separators, and particularly to a structure adapted for use with static electricity.” (lines 11-14) including illustrations.
Process of Magnetically and Statically Treating Ores
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.
Sulky-Lister
Patent for an improved sulky-lister for planting listed corn, cotton, and other crops.
Windmill
Patent for a new windmill design with improvement to the "mechanism for transmitting the motion of the wheel shaft to the pump rods."
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