UNT Libraries Government Documents Department - 15 Matching Results

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Acetylene-Gas Generator.

Description: Patent for a new and useful improvement in acetylene gas generating and storing apparatus to "provide a simple, compact, and economical means for automatically said gas" (line 10 - 13).
Date: September 19, 1899
Creator: Bryant, Henry
Item Type: Refine your search to only Patent

Listing-Machine.

Description: Patent for certain new and useful improvements in listing machines, including instructions and illustrations.
Date: September 19, 1899
Creator: Blanchard, William R.; Matthews, Lafyette & Watkins, Cisero
Item Type: Refine your search to only Patent

Nut-Lock.

Description: Patent for a nut-lock that is meant to be screwed onto a bolt, threaded shaft, axle spindle, or other similar screws. The nut has an improved construction and a lock that consists of a tiny pin that must be pulled out before the nut can be unscrewed.
Date: September 19, 1893
Creator: Stewart, William Mills
Item Type: Refine your search to only Patent

Rotary Engine.

Description: Patent for an improved, simple, and durable rotary engine that operates effectively and fully utilizes the motive. It consists of a central driving shaft, a cylinder with an annular bore, a piston that fits in the bore, an arm in the driving shaft, a divided packing-ring, a gate that slides in the bore, a cam mechanism, and a piston valve.
Date: September 19, 1893
Creator: Stone, Charles H. & Stone, Alonzo
Item Type: Refine your search to only Patent
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