Patent US2902414A successfully refreshed from Google Patents.
US2902414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for extracting pure water
Assignee: Individual
•
Filing: 1957-10-16
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Granted: 1959-09-01
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Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Schmerzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:53
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/10; Y; Y10; Y10S; Y10S203/00; Y10S203/11; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A METHOD OF EXTRACTING PURE WATER FROM RAW WATER USING TWO OR MORE CIRCULATING STREAMS OF RELATIVELY HOT AND DRY AIR COMPRISING THE STEP S OF SATURATING A FIRST AIR STREAM WITH WATER VAPOR AND EFFECTINGA TEMPERATURE DROP THEREIN, PASSING SAID FIRST AIR STREAM IN HEAT EXCHANGE RELATIONSHIP WITH A SECOND AIR STREAM AND EFFECTING A RISE IN TEMPERATURE AND INCREASE IN WATER VAPOR CARRYING CAPACITY OF SAID FIRST AIR STREAM AND A LOWERING IN TEMPERATURE OF SAID SECOND AIR STREAM, SATURATING THE AIR STREAMS WITH WATER VAPOR TO INCREASE THE WATER VAPOR CONTENT OF SAID FIRST AIR STREAM AND FURTHER LOWERING THE TEMPERATURE OF SAID SECOND AIR STREAM, AND THEREAFTER PASSING THE AIR STREAMS IN HEAT EXCHANGE RELATIONSHIP WITH EACH OTHER WHEREBY HEAT TRANSFER FROM THE FIRST TO THE SECOND AIR STREAM CAUSES THE PRECIPITATION OF PURE WATER FROM THE FIRST AIR STREAM.
Claim 2
Dependent Claim
145 words
IN A METHOD OF EXTRACTING PURE WATER FROM RAW WATER USING TWO OR MORE CIRCULATING STREAMS OF RELATIVELY HOT AND DRY AIR COMPRISING THE STEP S OF SATURATING A FIRST AIR STREAM WITH WATER VAPOR AND EFFECTINGA TEMPERATURE DROP THEREIN, PASSING SAID FIRST AIR STREAM IN HEAT EXCHANGE RELATIONSHIP WITH A SECOND AIR STREAM AND EFFECTING A RISE IN TEMPERATURE AND INCREASE IN WATER VAPOR CARRYING CAPACITY OF SAID FIRST AIR STREAM AND A LOWERING IN TEMPERATURE OF SAID SECOND AIR STREAM, SATURATING THE AIR STREAMS WITH WATER VAPOR TO INCREASE THE WATER VAPOR CONTENT OF SAID FIRST AIR STREAM AND FURTHER LOWERING THE TEMPERATURE OF SAID SECOND AIR STREAM, AND THEREAFTER PASSING THE AIR STREAMS IN HEAT EXCHANGE RELATIONSHIP WITH EACH OTHER WHEREBY HEAT TRANSFER FROM THE FIRST TO THE SECOND AIR STREAM CAUSES THE PRECIPITATION OF PURE WATER FROM THE FIRST AIR STREAM.
References Cited (Backward Citations)
US2761292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |