US3075298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating solids in a gas stream
Assignee: Ruhrchemie AG
•
Filing: 1959-02-17
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Granted: 1963-01-29
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Schaub Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:40
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN APPARATUS FOR TREATMENT OF DIVIDED SOLID MATERIALS BY MEANS OF A GAS STREAM WHICH COMPRISES MEANS DEFINING AN ELONGATED CONDUIT HAVING A CONTINUOUS INNER SURFACE, A PLURALITY OF RADIALLY OUTWARDLY EXTENDING GUIDE VANE MEANS DISPOSED IN HELICAL CONFIGURATION ALONG THE AXIS OF SAID CONDUIT MEANS AND PITCHED WITH RESPECT TO SAID AXIS AN ANGLE BETWEEN ABOUT 10 AND 60 DEGREES, MEANS FOR INTRODUCING SOLID MATERIALS INTO THE TOP PORTION OF SAID CONDUIT MEANS AND FOR INTRODUCING A TREATING GAS INTO THE BOTTOM PORTION OF SAID CONDUIT MEANS, MEANS FOR REMOVING SAID SOLID MATERIALS FROM THE BOTTOM PORTION OF SAID CONDUIT MEANS, MEANS FOR ROTATING SAID GUIDE VANE MEANS ABOUT THE AXIS OF SAID CONDUIT MEANS, AND MEANS FOR REMOVING SAID TREATING GAS FROM THE TOP PORTION OF SAID CONDUIT MEANS.
Claim 2
Independent Claim
131 words
AN APPARATUS FOR TREATMENT OF DIVIDED SOLID MATERIALS BY MEANS OF A GAS STREAM WHICH COMPRISES MEANS DEFINING AN ELONGATED CONDUIT HAVING A CONTINUOUS INNER SURFACE, A PLURALITY OF RADIALLY OUTWARDLY EXTENDING GUIDE VANE MEANS DISPOSED IN HELICAL CONFIGURATION ALONG THE AXIS OF SAID CONDUIT MEANS AND PITCHED WITH RESPECT TO SAID AXIS AN ANGLE BETWEEN ABOUT 10 AND 60 DEGREES, MEANS FOR INTRODUCING SOLID MATERIALS INTO THE TOP PORTION OF SAID CONDUIT MEANS AND FOR INTRODUCING A TREATING GAS INTO THE BOTTOM PORTION OF SAID CONDUIT MEANS, MEANS FOR REMOVING SAID SOLID MATERIALS FROM THE BOTTOM PORTION OF SAID CONDUIT MEANS, MEANS FOR ROTATING SAID GUIDE VANE MEANS ABOUT THE AXIS OF SAID CONDUIT MEANS, AND MEANS FOR REMOVING SAID TREATING GAS FROM THE TOP PORTION OF SAID CONDUIT MEANS.
References Cited (Backward Citations)
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Cited
US2983051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |