|
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.
Patent | Priority | Assignee | Title |
8297343, | Oct 15 2008 | Heat absorbing or dissipating device with multi-pipe reversely transported temperature difference fluids | |
8622116, | Oct 15 2008 | Heat absorbing or dissipating device with multi-pipe reversely transported temperature difference fluids | |
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, | |||
DE2734060, | |||
DE3016781, | |||
GB2075172, | |||
JP122457, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 05 1982 | FUKUMOTO, MASAFUMI | NISSHIN CHEMICAL INDUSTRY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 004028 | /0340 | |
Jul 29 1982 | Nisshin Chemical Industry Co., Ltd. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |