US2646392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fractionating multicomponent streams
Assignee: Universal Oil Products Co
•
Filing: 1949-04-29
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Granted: 1953-07-21
•
Expires: 1969-04-29
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Gerhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:50
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/18; B01D3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A FRACTIONATING COLUMN, THE COMBINATION OF A BUBBLE TRAY AND A PARTITION THEREBELOW EXTENDING ACROSS THE COLUMN, A HEAT EXCHANGE TRAY ON SAID PARTITION AND SPACED FROM THE WALLS OF THE COLUMN, THEREBY PROVIDING A LIQUID WALLS OF EACH END OF THE HEAT EXCHANGER TRAY, A DOWNSPOUT DEPENDING FROM SAID BUBBLE TRAY INTO ONE OF SAID WELLS, SAID HEAT EXCHANGE TRAY BEING CONSTRUCTED AND ARRANGED TO FORM WITH SAID PARTITION A PLURALITY OF ALTERNATING LIQUID AND VAPOR CHANNELS, MEANS FOR PASSING LIQUID FROM THE LAST-MENTIONED WELL THROUGH SAID LIQUID CHANNELS TO THE OTHER OF SAID WELLS, MEANS FOR REMOVING LIQUID FROM SAID OTHER WELL AND FROM THE COLUMN, A CONDENSATE COLLECTING TROUG DEPENDING FROM SAID PARTITION AND A CONDENSATE OUTLET THEREFROM, A VAPOR PASSAGEWAY THROUGH SAID TROUGH COMMUNICATING WITH SAID VAPOR CHANNELS.
Claim 2
Dependent Claim
133 words
IN A FRACTIONATING COLUMN, THE COMBINATION OF A BUBBLE TRAY AND A PARTITION THEREBELOW EXTENDING ACROSS THE COLUMN, A HEAT EXCHANGE TRAY ON SAID PARTITION AND SPACED FROM THE WALLS OF THE COLUMN, THEREBY PROVIDING A LIQUID WALLS OF EACH END OF THE HEAT EXCHANGER TRAY, A DOWNSPOUT DEPENDING FROM SAID BUBBLE TRAY INTO ONE OF SAID WELLS, SAID HEAT EXCHANGE TRAY BEING CONSTRUCTED AND ARRANGED TO FORM WITH SAID PARTITION A PLURALITY OF ALTERNATING LIQUID AND VAPOR CHANNELS, MEANS FOR PASSING LIQUID FROM THE LAST-MENTIONED WELL THROUGH SAID LIQUID CHANNELS TO THE OTHER OF SAID WELLS, MEANS FOR REMOVING LIQUID FROM SAID OTHER WELL AND FROM THE COLUMN, A CONDENSATE COLLECTING TROUG DEPENDING FROM SAID PARTITION AND A CONDENSATE OUTLET THEREFROM, A VAPOR PASSAGEWAY THROUGH SAID TROUGH COMMUNICATING WITH SAID VAPOR CHANNELS.
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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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |