Patent US4450473A successfully refreshed from Google Patents.
US3293000A
Expired / Lapsed
US
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Withdrawal of solids from a flowing stream comprising a slurry of same
Assignee: Phillips Petroleum Co
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Filing: 1962-10-05
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Granted: 1966-12-20
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Marwil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:57
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1812; B01J19/1837; B01J19/0006; B01J3/00; B01J3/02; B01J8/00; B01J8/0015; B01J8/003; B01J8/005; B01J8/007; C; C08; C08F; C08F10/00; B01J2208/00; B01J2208/00743; B01J2208/00761; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10S; Y10S526/00; Y10S526/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A TUBULAR LOOP REACTOR COMPRISING AT LEAST TWO VERTICAL CONDUIT MEANS AND A HORIZONTSAL CONDUIT MEANS CONNECTING TOGETHER THE LOWER ENDS OF SAID VERTICAL CONDUIT MEANS, DEPENDING CONDUIT MEANS CONNECTED TO SAID HORIZONTAL CONDUIT MEANS, VALVE MEANS ADAPTED TO ALLOW SOLIDS TO GRAVITATIONALLY SETTLE IN AND BE WITHDRAWN FROM SAID HORIZONTAL CONDUIT MEANS IN SAID DEPENDING CONDUIT MEANS, AND A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIAL VANE AFFIXED TO A PERIPHERAL PORTION OF AND EXTENDING A PORTION OF THE DISTANCE FROM SAID PERIPHERAL PORTION TO THE CENTER OF SAID DEPENDING CONDUIT MEANS ADJACENT THE INLET END THEREOF, SAID RADICAL VANES ADAPTED TO AID IN STRATIFICATION OF SOLIDS AND LIQUIDS IN SAID HORIZONTAL CONDUIT MEANS.
Claim 2
Dependent Claim
113 words
A TUBULAR LOOP REACTOR COMPRISING AT LEAST TWO VERTICAL CONDUIT MEANS AND A HORIZONTSAL CONDUIT MEANS CONNECTING TOGETHER THE LOWER ENDS OF SAID VERTICAL CONDUIT MEANS, DEPENDING CONDUIT MEANS CONNECTED TO SAID HORIZONTAL CONDUIT MEANS, VALVE MEANS ADAPTED TO ALLOW SOLIDS TO GRAVITATIONALLY SETTLE IN AND BE WITHDRAWN FROM SAID HORIZONTAL CONDUIT MEANS IN SAID DEPENDING CONDUIT MEANS, AND A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIAL VANE AFFIXED TO A PERIPHERAL PORTION OF AND EXTENDING A PORTION OF THE DISTANCE FROM SAID PERIPHERAL PORTION TO THE CENTER OF SAID DEPENDING CONDUIT MEANS ADJACENT THE INLET END THEREOF, SAID RADICAL VANES ADAPTED TO AID IN STRATIFICATION OF SOLIDS AND LIQUIDS IN SAID HORIZONTAL CONDUIT MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |