UNT Libraries Government Documents Department - 12 Matching Results

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Automatic Relief Valve for Pneumatic Seed Cotton Distributers.
Patent for a valve that attaches to a flue upon a pneumatic-seed cotton distributor. Includes illustrations.
Boiler
Patent for a steam boiler "to provide simple and effective means for quickly generating steam by exposing the water fully to the caloric influence of the furnace or fire in the latter through the medium of radial tubular attachments" (lines 9-14), including illustrations.
Couch-Bed.
Patent for a couch-bed, which can be folded out into a single or double bed or have a reclining back on the couch. It also has a shelf pullout for use as bedside table that is stored in the bottom of the couch.
Gate-Latch
Patent for the invention relates to improvements in gate-latches. The object of the present invention is to improve the construction of gate-latches and to provide an automatic one adapted to lock the gate when the latter closes and capable of automatically setting itself in proper position for engaging and locking the gate should it be closed instead of open or in position to receive the gate.
Pie-Plate Lifter
Patent for a pie plate lifter used to handle pie plates or other utensils should they be too hot. Illustrations included.
Pipe - Grab.
Patent for new and useful improvements in pipe-graps for the purpose of "raising and lowering pipe and tools used in drilling oil-wells" (line 8-10), including illustrations.
Railway-Tie.
Patent for a railroad tie made of sand and cement and threaded with barbed wire.
Signal-Lock for Mail-Boxes
Patent for a signal lock for mailboxes used to "indicate the presence or absence of mail matter in the box" (lines 10-11).
Signal-Lock for Mail-Boxes.
Patent for a signal lock for mail boxes, which can only be operated from the inside of the box and locks in position.
Signal Lock For Mail Boxes
Patent for a signal lock for mail boxes. This "invention relates to devices for locking the signals used on house letter-boxes, and has for its object the provision of a signal lock secured to the inside of the mail-box" (lines 9-13). Illustrations included.
Syringe
Patent for a syringe. This invention is meant for use with animals to perform artificial insemination. Illustrations included.
Wire Stretcher
Patent for a wire stretcher. Illustration included.
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