USD264501S - Heat retrieval unit for installation into a flue duct - Google Patents
Heat retrieval unit for installation into a flue duct Download PDFInfo
- Publication number
- USD264501S USD264501S US06/087,553 US8755379F USD264501S US D264501 S USD264501 S US D264501S US 8755379 F US8755379 F US 8755379F US D264501 S USD264501 S US D264501S
- Authority
- US
- United States
- Prior art keywords
- installation
- retrieval unit
- flue duct
- heat retrieval
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 title claims description 3
Images
Description
FIG. 1 is a perspective view of a heat retrieval unit for installation into a flue duct, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a view taken from one end thereof;
FIG. 4 is a view taken from the front of the unit;
FIG. 5 is an end view taken from the end of the unit opposite to that of FIG. 3;
FIG. 6 is a rear elevation thereof; and,
FIG. 7 is a bottom plan view thereof.
Claims (1)
- The ornamental design for a heat retrieval unit for installation into a flue duct, as shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/087,553 USD264501S (en) | 1979-10-22 | 1979-10-22 | Heat retrieval unit for installation into a flue duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/087,553 USD264501S (en) | 1979-10-22 | 1979-10-22 | Heat retrieval unit for installation into a flue duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD264501S true USD264501S (en) | 1982-05-18 |
Family
ID=69809601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06/087,553 Expired - Lifetime USD264501S (en) | 1979-10-22 | 1979-10-22 | Heat retrieval unit for installation into a flue duct |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD264501S (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD271238S (en) | 1981-08-13 | 1983-11-01 | Valencia Benjamin L | Passive heat exchanger |
| USD356367S (en) | 1993-10-21 | 1995-03-14 | Ruffneck Heaters-Div. of Starozik Industries Inc. | Heat exchanger core |
| USD675723S1 (en) | 2011-02-24 | 2013-02-05 | Bernardino Garcia | Device for recovering waste heat from flue gases |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693941A (en) | 1951-04-12 | 1954-11-09 | Sigfred O Bystrom | Air heater |
| US3913663A (en) | 1974-05-03 | 1975-10-21 | Jack R Gates | Energy conservation chamber |
| US4028817A (en) | 1975-09-29 | 1977-06-14 | Auto-Heat, Inc. | Apparatus for recovery of heat from exhaust gases of dryer |
| US4103735A (en) | 1976-09-07 | 1978-08-01 | Albert Woodrow Warner | Heat exchanger |
| US4206804A (en) | 1978-08-07 | 1980-06-10 | Scholtes Edward L | Heated air circulator |
| US4219073A (en) | 1978-01-16 | 1980-08-26 | Arthur C. Salvatore, Jr. | Heat saver device |
| US4276929A (en) | 1979-12-10 | 1981-07-07 | T.J.D. Industries, Ltd. | Heat exchanger |
-
1979
- 1979-10-22 US US06/087,553 patent/USD264501S/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693941A (en) | 1951-04-12 | 1954-11-09 | Sigfred O Bystrom | Air heater |
| US3913663A (en) | 1974-05-03 | 1975-10-21 | Jack R Gates | Energy conservation chamber |
| US4028817A (en) | 1975-09-29 | 1977-06-14 | Auto-Heat, Inc. | Apparatus for recovery of heat from exhaust gases of dryer |
| US4103735A (en) | 1976-09-07 | 1978-08-01 | Albert Woodrow Warner | Heat exchanger |
| US4219073A (en) | 1978-01-16 | 1980-08-26 | Arthur C. Salvatore, Jr. | Heat saver device |
| US4206804A (en) | 1978-08-07 | 1980-06-10 | Scholtes Edward L | Heated air circulator |
| US4276929A (en) | 1979-12-10 | 1981-07-07 | T.J.D. Industries, Ltd. | Heat exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD271238S (en) | 1981-08-13 | 1983-11-01 | Valencia Benjamin L | Passive heat exchanger |
| USD356367S (en) | 1993-10-21 | 1995-03-14 | Ruffneck Heaters-Div. of Starozik Industries Inc. | Heat exchanger core |
| USD675723S1 (en) | 2011-02-24 | 2013-02-05 | Bernardino Garcia | Device for recovering waste heat from flue gases |
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