US2947689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saline water heating processes and systems
Assignee: Freeport Minerals Co
•
Filing: 1953-12-03
•
Granted: 1960-08-02
•
Expires: 1973-12-03
Abstract
No abstract record available.
Inventors
- 👤 Gordon A Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:09
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PROCESS FOR PRIVIDING LARGE QUANTITIES OF HOT PROCESS WATER FROM WATER HAVING SCALE-FORNING SALTS THEREIN AT TEMPERATURES ABOVE 220* F. IN A CONTINUOUS OPERATION WHICH COMPRISES, FLOWING UNDER PRESSURE THE WATER TO BE HEATED WHEN AT A TEMPERATURE BELOW ABOUT 195* F. INTO A HEATING VESSEL, RAISING THE TEMPERATURE OF THE WATER TO A LEVEL ABOVE 220* F. BY MEANS OF SUBSTANTIALLY ONLY THE SENSIBLE HEAT OF SUPERHEATED STEAM DIRECTLY CONTACTED WITH SAID WATER IN SAID VESSEL UNDER PRESSURE, THEREBY ALSO PROVIDING WATER VAPOR IN SAID VESSEL, WITHDRAWING THE WATER VAPOR THUS PRODUCED FROM SAID VESSEL, HEATING SAID WATER VAPOR TO PROVIDE SUPERHEATED STAEM, INTRODUCING SAID SUPERHEATED STEAM INTO SAID HEATING VESSEL THEREBY TO ACCOMPLISH THE HEREINBEFORE SPECIFIED HEATING STEP AND FLOWING THE HOT PROCESS WATER FROM SAID HEATING VESSEL CONTAINING THE SCALE-FORMING SALTS THEREIN.
Claim 2
Dependent Claim
136 words
A PROCESS FOR PRIVIDING LARGE QUANTITIES OF HOT PROCESS WATER FROM WATER HAVING SCALE-FORNING SALTS THEREIN AT TEMPERATURES ABOVE 220* F. IN A CONTINUOUS OPERATION WHICH COMPRISES, FLOWING UNDER PRESSURE THE WATER TO BE HEATED WHEN AT A TEMPERATURE BELOW ABOUT 195* F. INTO A HEATING VESSEL, RAISING THE TEMPERATURE OF THE WATER TO A LEVEL ABOVE 220* F. BY MEANS OF SUBSTANTIALLY ONLY THE SENSIBLE HEAT OF SUPERHEATED STEAM DIRECTLY CONTACTED WITH SAID WATER IN SAID VESSEL UNDER PRESSURE, THEREBY ALSO PROVIDING WATER VAPOR IN SAID VESSEL, WITHDRAWING THE WATER VAPOR THUS PRODUCED FROM SAID VESSEL, HEATING SAID WATER VAPOR TO PROVIDE SUPERHEATED STAEM, INTRODUCING SAID SUPERHEATED STEAM INTO SAID HEATING VESSEL THEREBY TO ACCOMPLISH THE HEREINBEFORE SPECIFIED HEATING STEP AND FLOWING THE HOT PROCESS WATER FROM SAID HEATING VESSEL CONTAINING THE SCALE-FORMING SALTS THEREIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |