Patent US2522880A successfully refreshed from Google Patents.
Patent US3314664A successfully refreshed from Google Patents.
US3314664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam heating of liquids
Assignee: SPX Flow Technology Crawley Ltd
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Filing: 1964-01-17
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Granted: 1967-04-18
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Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 George A Dummett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:14
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/08; F28F3/083; A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; A23B2/00; A23B2/40; A23B2/42; A23B2/44; B; B01; B01D; B01D1/00; B01D1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARATUS FOR HEAT TREATING LIQUIDS, COMPRISING A HEATING APPARATUS IN THE FORM OF A FRAME, A PLURALITY OF SPACED, SUBSTANTIALLY VERTICAL, CORRUGATED TRICKLING PLATES MOUNTED IN SAID FRAME END POSITIONED TO FORM TRICKLING CHANNELS THEREBETWEEN, GASKET MEANS BETWEEN SAID PLATES TO SEAL THE TRICKLING CHANNELS, UPPER HEADER MEANS INTERCONNECTING THE TOP OF SAID CHANNELS FOR INTRODUCING LIQUID THERETO, LOWER HEADER MEANS INTERCONNECTING THE LOWER ENDS OF THE CHANNELS FOR DISCHARGING LIQUID THEREFROM, MEANS FOR INTRODUCING STEAM INTO SAID CHANNELS VIA AT LEAST ONE OF SAID HEADER MEANS SO AS TO DIFFUSE THROUGH SAID CHANNELS AND CONDENSE IN LIQUID TRICKLING DOWNWARDLY IN SAID CHANNELS TO RAISE ITS TEMPERATURE, AND MEANS INCLUDING A FLASH VESSEL CONNECTED TO SAID LOWER HEADER MEANS FOR FLASHING OFF AT LEAST PART OF THE STEAM CONDENSED WITH LIQUID.
Claim 2
Dependent Claim
131 words
APPARATUS FOR HEAT TREATING LIQUIDS, COMPRISING A HEATING APPARATUS IN THE FORM OF A FRAME, A PLURALITY OF SPACED, SUBSTANTIALLY VERTICAL, CORRUGATED TRICKLING PLATES MOUNTED IN SAID FRAME END POSITIONED TO FORM TRICKLING CHANNELS THEREBETWEEN, GASKET MEANS BETWEEN SAID PLATES TO SEAL THE TRICKLING CHANNELS, UPPER HEADER MEANS INTERCONNECTING THE TOP OF SAID CHANNELS FOR INTRODUCING LIQUID THERETO, LOWER HEADER MEANS INTERCONNECTING THE LOWER ENDS OF THE CHANNELS FOR DISCHARGING LIQUID THEREFROM, MEANS FOR INTRODUCING STEAM INTO SAID CHANNELS VIA AT LEAST ONE OF SAID HEADER MEANS SO AS TO DIFFUSE THROUGH SAID CHANNELS AND CONDENSE IN LIQUID TRICKLING DOWNWARDLY IN SAID CHANNELS TO RAISE ITS TEMPERATURE, AND MEANS INCLUDING A FLASH VESSEL CONNECTED TO SAID LOWER HEADER MEANS FOR FLASHING OFF AT LEAST PART OF THE STEAM CONDENSED WITH LIQUID.
References Cited (Backward Citations)
US592670A
Cited
US2206440A
Cited
US2623736A
Cited
US2516099A
Cited
US2712504A
Cited
FR1224329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |