US3580813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive water quench in a closed coke cooling system
Assignee: Raymond Kaiser Engineers Inc
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Filing: 1969-01-28
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Granted: 1971-05-25
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Expires: 1989-01-28
Abstract
Abstract INCANDESCENT COKE IS RECEIVED FRO A COKE OVEN THROUGH A CLOSED COKE GUIDE INTO A CLOSED HOPPER CAR; THE CAR TRAVELS TO A CLOSED COOLING UNIT WHERE THE COKE IS DUMPED. IN THE CLOSED UNIT, THE COKE IS CHARGED AT A PREDETERMINED RATE ONTO A CONVERYOR WHICH TRAVELS AT A SET SPEED. THE COKE ON THE CONVEYOR PASSES THROUGH WATER SPRAYS WHICH DIRECT WATER AT A DETERMINED FLOW RATE ON TO THE COKE TO COOL THE COKE TO A PREDETERMINED TEMPERATURE. SUBSEQUENTLY, THE QUENCHED COKE IS CONVEYED AWAY FOR FURTHER PROCESSING.
Inventors
- 👤 Basil W Hinchliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:13
CPC Classifications
C; C10; C10B; C10B39/00; C10B39/04; C10B33/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |