US3136705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for carrying out physical and chemical processes between finelydivided solids and gases in a fluidized bed
Assignee: GEA Group AG
•
Filing: 1959-01-09
•
Granted: 1964-06-09
•
Expires: 1979-01-09
Abstract
No abstract record available.
Inventors
- 👤 Sommers Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:19
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/245; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A FLUIDIZED PROCESS IN WHICH A BED OF FINELY DIVIDED SOLIDS IS MAINTAINED IN A FLUIDIZED STATE BY AN UPWARDLY MOVING STREAM OF FLUIDIZING GAS, THE IMPROVEMENT WHICH COMPRISES PASSING AT LEAST A PORTION OF THE FLUIDIZED GAS UPWARDLY THROUGH THE BED AT A VELOCITY SUBSTANTIALLY IN EXCESS OF FLUIDIZING VELOCITY, SAID GAS ENTERING THE BED IN THE FORM OF AN UPWARDLY DIVERGING STREAM FROM A NARROW SOURCE AT A VELOCITY OF 50 TO 2,000 METERS PER SECOND, SAID STREAM FORMING A STATIONARY ROTATING EDDY,
Claim 2
Dependent Claim
86 words
IN A FLUIDIZED PROCESS IN WHICH A BED OF FINELY DIVIDED SOLIDS IS MAINTAINED IN A FLUIDIZED STATE BY AN UPWARDLY MOVING STREAM OF FLUIDIZING GAS, THE IMPROVEMENT WHICH COMPRISES PASSING AT LEAST A PORTION OF THE FLUIDIZED GAS UPWARDLY THROUGH THE BED AT A VELOCITY SUBSTANTIALLY IN EXCESS OF FLUIDIZING VELOCITY, SAID GAS ENTERING THE BED IN THE FORM OF AN UPWARDLY DIVERGING STREAM FROM A NARROW SOURCE AT A VELOCITY OF 50 TO 2,000 METERS PER SECOND, SAID STREAM FORMING A STATIONARY ROTATING EDDY,
References Cited (Backward Citations)
US1421296A
Cited
US1438133A
Cited
US2544603A
Cited
US2689973A
Cited
GB763369A
Cited
US2786280A
Cited
US2934241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |