US3616834A
Expired / Lapsed
US
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Spray drying device and method for the operation of same
Assignee: GEA Process Engineering AS
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Filing: 1969-07-07
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Granted: 1971-11-02
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Expires: 1989-07-07
Abstract
Abstract A SPRAY DYING DEVICE FOR THE PRODUCTION OF POWDERS FROM A LIQUID SUSPENSION COMPRISING A DRYING CHAMBER WITH A ROTATABLE ATOMIZER WHEEL AND A SET OF ATOMIZING NOZZLES DISPOSED AT AN APPECIABLE DISTANCE FROM THE WHEEL AND ATOMIZING IN A DIRECTION AGANIST THE WHEEL.
Inventors
- 👤 Jorgen Christian Gorm Hansen
- 👤 Henning Jorgen Helsing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:16
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/16; B01D1/18; Y; Y10; Y10S; Y10S159/00; Y10S159/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |