Patent
   D353666
Priority
May 08 1990
Filed
Mar 17 1993
Issued
Dec 20 1994
Expiry
Dec 20 2008
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized bed, as shown and described.

FIG. 1 is a top view of the tubing assembly unit of the present invention;

FIG. 2 is a right side view of the tubing assembly unit of the present invention;

FIG. 3 is a left side view of the tubing assembly unit of the present invention;

FIG. 4 is a bottom view of the tubing assembly unit of the present invention;

FIG. 5 is a front view of the tubing assembly unit of the present invention; and,

FIG. 6 is a rear view of the tubing assembly unit of the present invention.

Jonsson, Arne

Patent Priority Assignee Title
D670372, Oct 10 2011 Applied Materials, Inc Heater plate and heater element assembly
D687535, Oct 10 2011 Applied Materials, Inc Heater plate and heater element assembly
Patent Priority Assignee Title
4211186, May 02 1977 Sodic Societe Anonyme Fluidized bed combusters
4357907, Oct 27 1980 Rockwell International Corporation Fluidized bed combustor with improved indirect heat exchanger units
4770128, Apr 05 1988 THE BABCOCK & WILCOX POWER GENERATION GROUP, INC Heat exchanger support
4790267, Dec 23 1986 Deutsche Babcock Werke Aktiengesellschaft Arrangement for burning fuels in a fluidized bed with an augmented solids circulation in a combustion chamber of a steam generator
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Mar 17 1993ABB Carbon AB(assignment on the face of the patent)
Aug 11 1993JONSSON, ARNEABB Carbon ABASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0070400542 pdf
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