US3309784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for contacting fluidizable solids with gasiform fluids
Assignee: Individual
•
Filing: 1964-03-16
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Granted: 1967-03-21
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 George F Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:54
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
APPARATUS FOR CONTACTING FLUIDIZABLE SOLIDS AND GAS WHICH COMPRISES A VERTICALLY DISPOSED VESSEL; OUTLET MEANS IN THE UPPER PORTION OF SAID VESSEL FOR REMOVING GASES; MEANS FOR LATERALLY DISPOSING SAID SOLIDS INTO SAID VESSEL TO FORM A FLUIDIZED BED; MEANS TO REMOVE SAID FLUIDIZABLE SOLIDS FROM SAID VESSEL; MEANS TO DISTRIBUTE SAID GAS SUBSTANTIALLY ACROSS THE CROSS-SECTION OF SAID BED IN SUBSTANTIALLY VERTICAL ANNULAR ZONES IN INTIMATE CONTACT WITH SAID FLUIDIZABLE: SOLIDS, SAID MEANS TO DISTRIBUTE SAID GAS COMPRISING: A PLURALITY OF ANNULARLY AND VERTICALLY SPACED CONDUIT RINGS DISPOSED ADJACENT TO AND SUPPORTED BY THE LOWER WALLS OF SAID VESSEL, THE UPPER SIDE OF EACH OF SAID RINGS HAVING APERTURES THEREIN PERMITTING GAS FLOW THERETHROUGH IN SAID SUBSTANTIALLY VERTICAL ANNULAR ZONES, GAS INLET MEANS COMMUNICATING WITH EACH OF SAID RINGS, FOR ADMITTING GAS THERETO, AND
Claim 2
Dependent Claim
135 words
APPARATUS FOR CONTACTING FLUIDIZABLE SOLIDS AND GAS WHICH COMPRISES A VERTICALLY DISPOSED VESSEL; OUTLET MEANS IN THE UPPER PORTION OF SAID VESSEL FOR REMOVING GASES; MEANS FOR LATERALLY DISPOSING SAID SOLIDS INTO SAID VESSEL TO FORM A FLUIDIZED BED; MEANS TO REMOVE SAID FLUIDIZABLE SOLIDS FROM SAID VESSEL; MEANS TO DISTRIBUTE SAID GAS SUBSTANTIALLY ACROSS THE CROSS-SECTION OF SAID BED IN SUBSTANTIALLY VERTICAL ANNULAR ZONES IN INTIMATE CONTACT WITH SAID FLUIDIZABLE: SOLIDS, SAID MEANS TO DISTRIBUTE SAID GAS COMPRISING: A PLURALITY OF ANNULARLY AND VERTICALLY SPACED CONDUIT RINGS DISPOSED ADJACENT TO AND SUPPORTED BY THE LOWER WALLS OF SAID VESSEL, THE UPPER SIDE OF EACH OF SAID RINGS HAVING APERTURES THEREIN PERMITTING GAS FLOW THERETHROUGH IN SAID SUBSTANTIALLY VERTICAL ANNULAR ZONES, GAS INLET MEANS COMMUNICATING WITH EACH OF SAID RINGS, FOR ADMITTING GAS THERETO, AND
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |