UNT Libraries Government Documents Department - 16 Matching Results

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Ant-Trap

Description: Patent for "a simple device of this kind which will excel the former traps in depositing the ants within the annular pan and in efficiency for convenient discharge of the trapped insects" (lines 18-22).
Date: April 2, 1901
Creator: Inman, Joseph
Item Type: Refine your search to only Patent

Compound Railway-Rail

Description: Patent for a compound railway-rail. This invention is a solid open jointed rail whereby two longitudinal section may be brought together without creating open joints. Illustration included.
Date: April 23, 1907
Creator: Stephens, George B.
Item Type: Refine your search to only Patent

Floor-Jack.

Description: Patent for simple, affordable, and durable carpenters tongs that are made to push the boards of a floor or wall into place before nailing is done.
Date: April 2, 1907
Creator: Fleming, Henry C. & Royster, William F.
Item Type: Refine your search to only Patent

Jeweler's Tool.

Description: Patent for improvements in jeweler’s tools by “comprising a tubular handle, a reciprocatory punch-stem extending through the handle and beyond both ends thereof, a retracting spring seated within the handle and engaging with the stem, a punch-needle having a socket member detachably engaging one end of the punch-stem, and a cap detachably fitting one end of the handle over the end of the stem opposite the punch-needle.” (Page 2, lines 5-[13]) Illustration is included.
Date: April 29, 1902
Creator: Nilson, Albert A.
Item Type: Refine your search to only Patent

Piston-Rod Connection

Description: Patent for a connector between a cross-head and a piston-rod that reduces strain by using a double taper and binder elements in line with the thrust of the piston-rod to prevent fractures and breaks as a result of the end thrust.
Date: April 17, 1906
Creator: McElvaney, Charles T.
Item Type: Refine your search to only Patent

Rail-Fastening Device.

Description: Patent for a rail fastening device for use in building street car tracks on roads with concrete foundations. The fastener is put in place in the wet concrete and held fast there by its hardening and eliminates the need for cross ties.
Date: April 23, 1907
Creator: Crerar, James P.
Item Type: Refine your search to only Patent
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