Patent
   D280547
Priority
Jul 29 1982
Filed
Jul 29 1982
Issued
Sep 10 1985
Expiry
Sep 10 1999
Assg.orig
Entity
unknown
3
13
n/a
The ornamental design for a heat exchanger, as shown and described.

FIG. 1 is a front elevational view of a heat exchanger, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a sectional view taken along line 7--7 of FIG. 1;

FIG. 8 is a sectional view taken along line 8--8 of FIG. 1.

Fukumoto, Masafumi

Patent Priority Assignee Title
D342125, Jun 19 1992 Oil heat exchanger
D358879, May 07 1990 ABB Carbon AB Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized beds
D359117, May 07 1990 ABB Carbon AB Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidizied beds
Patent Priority Assignee Title
3117623,
3496997,
3742567,
4030540, Apr 20 1972 Belleli Industrie Meccaniche S.p.A Tube nest for heat exchangers, and modular elements for said nest consisting of thermoplastic tubes, and process for manufacturing the modular elements and the tube nests
4167211, Mar 31 1976 Linde Aktiengesellschaft Interlocking spacer members for coiled tube assembly
4190104, Nov 17 1976 Sulzer Brothers Limited Heat exchanger having helically wound tube coils
4271900, Jun 28 1978 AMETEK, INC , A CORP OF DE Apparatus with expandable tube bundle
4343626, Feb 19 1980 Noell-DBI Energie-Und Entsorgungstechnik GmbH Reactor for producing a carbon monoxide and hydrogen containing gas
DE2100485,
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Jul 05 1982FUKUMOTO, MASAFUMINISSHIN CHEMICAL INDUSTRY CO LTD ASSIGNMENT OF ASSIGNORS INTEREST 0040280306 pdf
Jul 29 1982Nisshin Chemical Industry Co., Ltd.(assignment on the face of the patent)
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