Patent
   D360258
Priority
Dec 10 1993
Filed
Dec 10 1993
Issued
Jul 11 1995
Expiry
Jul 11 2009
Assg.orig
Entity
unknown
5
3
n/a
The ornamental design for a heat exchanger for fuel fired furnaces, as shown and described.

FIG. 1 is a front perspective view of the heat exchanger;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Shellenberger, Timothy J.

Patent Priority Assignee Title
6938688, Dec 05 2001 Reznor LLC Compact high efficiency clam shell heat exchanger
8826901, Jan 20 2010 Carrier Corporation Primary heat exchanger design for condensing gas furnace
D570988, Jan 18 2008 Therma-Stor LLC Heat exchanger
D629357, Apr 19 2010 Generator
D842974, Feb 27 2017 TOMTON S R O Heat exchanger
Patent Priority Assignee Title
4164210, Aug 30 1977 ENERGY INTERNATIONAL, INC Pulse combustion system for heating of air
5042453, Sep 28 1989 Rheem Manufacturing Company Compact, high efficiency heat exchanger for a fuel-fired forced air heating furnace
5178124, Aug 12 1991 Rheem Manufacturing Company Plastic secondary heat exchanger apparatus for a high efficiency condensing furnace
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 06 1993SHELLENBERGER, TIMOTHY J Rheem Manufacturing CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068100154 pdf
Dec 10 1993Rheem Manufacturing Company(assignment on the face of the patent)
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