Patent US747943A successfully refreshed from Google Patents.
Patent US3043652A successfully refreshed from Google Patents.
US3043652A
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Fluid bed process for granulating fine-grained materials
Assignee: GEA Group AG
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Filing: 1957-10-10
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Granted: 1962-07-10
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Expires: 1977-10-10
Abstract
No abstract record available.
Inventors
- 👤 Schytil Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:33
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C22B1/10; B; B01; B01J; B01J2/00; B01J2/16; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388; C22B1/14; Y; Y10; Y10S; Y10S159/00; Y10S159/03; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR GRANULATING FINE GRAIN MATERIALS COMPRISING INTRODUCING FLUIDIZATION GAS THROUGH THE OPEN BOTTOM OF A REACTION CHAMBER HAVING OUTWARDLY DIVERGING WALLS, THE GAS VELOCITY DECREASING IN AN UPWARDLY DIRECTION IN SAID CHAMBER WITHOUT THE GAS BEING SEPARATED FROM SAID WALLS OVER THE MAJOR PORTION OF THE CHAMBER, DROPPING FINE-GRAINED MATERIALS INTO SAID GAS IN SAID CHAMBER TO FORM A DENSE FLUID BED FOR AGGLOMERATING CONDITIONS, SAID MATERIALS BED RESTING SOLELY UPON THE PILLOW OF GAS FORMED BY THE GAS ENTERING SAID CHAMBER, AND RE-
Claim 2
Dependent Claim
86 words
A PROCESS FOR GRANULATING FINE GRAIN MATERIALS COMPRISING INTRODUCING FLUIDIZATION GAS THROUGH THE OPEN BOTTOM OF A REACTION CHAMBER HAVING OUTWARDLY DIVERGING WALLS, THE GAS VELOCITY DECREASING IN AN UPWARDLY DIRECTION IN SAID CHAMBER WITHOUT THE GAS BEING SEPARATED FROM SAID WALLS OVER THE MAJOR PORTION OF THE CHAMBER, DROPPING FINE-GRAINED MATERIALS INTO SAID GAS IN SAID CHAMBER TO FORM A DENSE FLUID BED FOR AGGLOMERATING CONDITIONS, SAID MATERIALS BED RESTING SOLELY UPON THE PILLOW OF GAS FORMED BY THE GAS ENTERING SAID CHAMBER, AND RE-
References Cited (Backward Citations)
US1730738A
Cited
US1941592A
Cited
US2020431A
Cited
GB527302A
Cited
US2431455A
Cited
US2429721A
Cited
US2536402A
Cited
GB617427A
Cited
US2677608A
Cited
US2870002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |