Patent
   D661716
Priority
Jan 05 2012
Filed
Jan 05 2012
Issued
Jun 12 2012
Expiry
Jun 12 2026
Assg.orig
Entity
unknown
1
25
n/a
The ornamental design for the high-yield ladle bottom, as shown and described.

FIG. 1 is a top, perspective view of a high-yield ladle bottom;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a back elevational view thereof; and,

FIG. 7 is a bottom view thereof.

Barrett, Ronald, Abrino, Donald

Patent Priority Assignee Title
D909439, Nov 30 2018 FERROTEC USA CORPORATION Two-piece crucible cover
Patent Priority Assignee Title
3352465,
3516478,
3603050,
4360133, Jan 31 1980 Hainaut-Sambre S.A. Apparatus for pouring molten steel
4601415, Sep 21 1984 TETRON, INC , 31269 VERONA DRIVE, FARMINGTON HILLS, MICHIGAN 48018, A CORP OF MICHIGAN Vortex inhibitor for molten metal discharge
4709903, May 08 1986 Slag retaining device for use in converters, ladles, or the like
4746102, Mar 20 1987 Bethlehem Steel Corporation Drain hole design for ladle
4968007, Oct 02 1989 AJF, Inc. Anti-slag, anti-vortex tundish measurement apparatus
5171513, May 12 1992 USX Corporation Refractory article for preventing vortexing in a metallurgical vessel
5196051, Jul 19 1991 API TECHNOLOGIES, INC , A CORP OF DE Ladle and method for draining liquid metal with improved yield
5382003, Dec 08 1992 GUTHRIE RESEARCH ASSOCIATES INC Flow control device for the suppression of vortices
5879616, Jan 22 1996 Harbison-Walker Refractories Company Metallurgical vessel and method of using the same
5948349, Nov 17 1989 Sollac; LaFarge Refractaires Monolithiques Ladle for the preparation of metal provided with a refractory bottom lining and method for producing said refractory bottom lining
6673306, Apr 13 2001 NORTH AMERICAN REFRACTORIES CO Refractory lining for metallurgical vessel
6723275, Jan 16 2001 Tetron, Inc. Vortex inhibitor with sacrificial rod
6787098, Apr 13 2001 North American Refractories Co. Refractory lining for metallurgical vessel
7112300, Feb 05 2002 Vesuvius USA Corporation Ladle bottom
8110142, Feb 18 2008 HARBISONWALKER INTERNATIONAL, INC High yield ladle bottoms
20020153645,
20050127582,
20070029708,
20070132162,
20090166387,
RE35597, Dec 14 1994 USX Corporation Refractory article for preventing vortexing in a metallurgical vessel
RE37417, Oct 02 1991 Tetron, Inc. Vortex inhibitor for molten metal discharge
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 13 2011ABRINO, DONALDNORTH AMERICAN REFRACTORIES CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0274810321 pdf
Dec 13 2011BARRETT, RONALDNORTH AMERICAN REFRACTORIES CO ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0274810321 pdf
Jan 05 2012North American Refractories Company(assignment on the face of the patent)
Dec 23 2015NORTH AMERICAN REFRACTORIES CO APGI, LLCMERGER SEE DOCUMENT FOR DETAILS 0623250647 pdf
Dec 23 2015APGI, LLCA P GREEN REFRACTORIES, INC MERGER SEE DOCUMENT FOR DETAILS 0623250736 pdf
Dec 30 2015A P GREEN REFRACTORIES, INC HARBISONWALKER INTERNATIONAL, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0623380884 pdf
May 24 2023HARBISONWALKER INTERNATIONAL HOLDINGS, INC THE BANK OF NEW YORK MELLON TRUST COMPANY, N A NOTES PATENT SECURITY AGREEMENT0637840481 pdf
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May 24 2023HARBISONWALKER INTERNATIONAL MINERALS, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0637830851 pdf
May 24 2023HARBISONWALKER INTERNATIONAL HOLDINGS, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0637830851 pdf
May 24 2023HARBISONWALKER INTERNATIONAL, INC THE BANK OF NEW YORK MELLON TRUST COMPANY, N A NOTES PATENT SECURITY AGREEMENT0637840481 pdf
May 24 2023HARBISONWALKER INTERNATIONAL MINERALS, INC THE BANK OF NEW YORK MELLON TRUST COMPANY, N A NOTES PATENT SECURITY AGREEMENT0637840481 pdf
May 24 2023HARBISONWALKER INTERNATIONAL, INC JPMORGAN CHASE BANK, N A SECURITY AGREEMENT0637830851 pdf
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