US3285514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchangers
Assignee: Hupp Corp
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Filing: 1966-03-25
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Granted: 1966-11-15
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Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Horace L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
F; F26; F26B; F26B23/00; F26B23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A RADIANT HEATING INSTALLATION, COMPRISING: (A) A LIQUID HEATING UNIT; (B) AT LEAST ONE RADIATOR HAVING PLURAL INDEPENDENT FLOW CIRCUITS PROVIDED BY PLURAL SINUOUS INTERNESTED TUBE ASSEMBLIES EACH HAVING AN INLET AND AN OUTLET, A PLURALITY OF SPACED TUBE RUNS, T-SECTIONED CONDUCTIVE WEBS EXTENDING BETWEEN AND SUBSTANTIALLY THE LENGTH OF ADJACENT ONES OF SAID RUNS, AND A HIGHLY EMMISIVE AND ABSORPTIVE COATING ON ONE SIDE OF THE ASSEMBLIES FORMED BY SAID TUBE RUNS AND SAID CONDUCTIVE WEBS; (C) A BRANCHED SUPPLY CONDUIT AND A BRANCHED RETRUN CONDUIT CONNECTING SAID HEATING UNIT AND SAID RADIATOR INTO A CLOSED CIRCULATION SYSTEM, THE BRANCHES OF SAID SUPPLY CONDUIT BEING CONNECTED IN PARALLEL TO THE INLETS OF SAID TUBE ASSEMBLIES AND THE BRANCHES OF SAID RETURN CONDUIT BEING CONNECTED IN PARALLEL TO THE OUTLETS OF THE TUBE ASSEMBLIES AND THE INLET OF EACH OF SAID TUBE ASSEMBLIES BEING ADJACENT THE OUTLET OF ANOTHER OF SAID TUBE ASSEMBLIES TO PROVIDE COUNTERFLOW IN THE RADIATOR CIRCUITS; AND (D) A HIGH BOILING POINT LIQUID HEAT TRANSFER MEDIUM IN SAID CLOSED SYSTEM.
Claim 2
Dependent Claim
174 words
A RADIANT HEATING INSTALLATION, COMPRISING: (A) A LIQUID HEATING UNIT; (B) AT LEAST ONE RADIATOR HAVING PLURAL INDEPENDENT FLOW CIRCUITS PROVIDED BY PLURAL SINUOUS INTERNESTED TUBE ASSEMBLIES EACH HAVING AN INLET AND AN OUTLET, A PLURALITY OF SPACED TUBE RUNS, T-SECTIONED CONDUCTIVE WEBS EXTENDING BETWEEN AND SUBSTANTIALLY THE LENGTH OF ADJACENT ONES OF SAID RUNS, AND A HIGHLY EMMISIVE AND ABSORPTIVE COATING ON ONE SIDE OF THE ASSEMBLIES FORMED BY SAID TUBE RUNS AND SAID CONDUCTIVE WEBS; (C) A BRANCHED SUPPLY CONDUIT AND A BRANCHED RETRUN CONDUIT CONNECTING SAID HEATING UNIT AND SAID RADIATOR INTO A CLOSED CIRCULATION SYSTEM, THE BRANCHES OF SAID SUPPLY CONDUIT BEING CONNECTED IN PARALLEL TO THE INLETS OF SAID TUBE ASSEMBLIES AND THE BRANCHES OF SAID RETURN CONDUIT BEING CONNECTED IN PARALLEL TO THE OUTLETS OF THE TUBE ASSEMBLIES AND THE INLET OF EACH OF SAID TUBE ASSEMBLIES BEING ADJACENT THE OUTLET OF ANOTHER OF SAID TUBE ASSEMBLIES TO PROVIDE COUNTERFLOW IN THE RADIATOR CIRCUITS; AND (D) A HIGH BOILING POINT LIQUID HEAT TRANSFER MEDIUM IN SAID CLOSED SYSTEM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |