Patent US3924808A successfully refreshed from Google Patents.
Patent US3352090A successfully refreshed from Google Patents.
US3352090A
Expired / Lapsed
US
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Liquid-gas separator
Assignee: Shell USA Inc
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Filing: 1966-07-28
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Granted: 1967-11-14
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Expires: 1986-07-28
Abstract
No abstract record available.
Inventors
- 👤 Stillebroer Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:30
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A GAS ANCHOR FOR SEPARATING GAS AND LIQUID, COMPRISING A CENTRAL LIQUID DISCHARGE TUBE, A PLURALITY OF SUBSTANTIALLY CUP-SHAPED MEMBERS ARRANGED ABOUT SAID TUBE AT SUBSTANTIALLY EQUAL DISTANCES BETWEEN EACH OTHER, EACH CUP BEING PROVIDED WITH PRESSURE-DROP CONTROL MEANS IN THE FORM OF AT LEAST ONE FLOW RESISTANT CONDUIT, SAID CONDUIT HAVING A LENGTH GREATER THAN THE DIAMETER OF SAID DISCHARGE TUBE TO ASSURE A DYNAMIC PRESSURE DROP BETWEEN SAID CUP AND THE INTERIOR OF SAID TUB AND A CROSS-SECTIONAL AREA OF A SUFFICIENT SIZE TO PERMIT PASSAGE OF FOREIGN PARTICLES ENTRAPPED IN SAID LIQUID, ONE END OF SAID CONDUIT TERMINATING WITHIN THE CUP NEAR THE LOWER PART THEREOF, AND THE OTHER END OF SAID CONDUIT IN COMMUNICATION WITH THE INTERIOR OF SAID CENTRAL TUBE.
Claim 2
Dependent Claim
125 words
A GAS ANCHOR FOR SEPARATING GAS AND LIQUID, COMPRISING A CENTRAL LIQUID DISCHARGE TUBE, A PLURALITY OF SUBSTANTIALLY CUP-SHAPED MEMBERS ARRANGED ABOUT SAID TUBE AT SUBSTANTIALLY EQUAL DISTANCES BETWEEN EACH OTHER, EACH CUP BEING PROVIDED WITH PRESSURE-DROP CONTROL MEANS IN THE FORM OF AT LEAST ONE FLOW RESISTANT CONDUIT, SAID CONDUIT HAVING A LENGTH GREATER THAN THE DIAMETER OF SAID DISCHARGE TUBE TO ASSURE A DYNAMIC PRESSURE DROP BETWEEN SAID CUP AND THE INTERIOR OF SAID TUB AND A CROSS-SECTIONAL AREA OF A SUFFICIENT SIZE TO PERMIT PASSAGE OF FOREIGN PARTICLES ENTRAPPED IN SAID LIQUID, ONE END OF SAID CONDUIT TERMINATING WITHIN THE CUP NEAR THE LOWER PART THEREOF, AND THE OTHER END OF SAID CONDUIT IN COMMUNICATION WITH THE INTERIOR OF SAID CENTRAL TUBE.
References Cited (Backward Citations)
GB1006739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |