US3741890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid waste disposal and water purification method and apparatus
Assignee: Combustion Power Co Inc
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Filing: 1969-08-06
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Granted: 1973-06-26
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Expires: 1989-08-06
Abstract
Abstract A SOLID WASTE DISPISAL AND WATER PURIFICATION SYSTEM IS DESCRIBED WITH A WASTE RECEIVING, SHREDDING, AND DRYING ASSEMBLY, A GAS TURBINE ASSEMBLY FOR COMBUSTING HOT FUEL GASES, AND A GASIFIER ASSEMBLY FOR PYROLYZING THE WASTE AND PRODUCING HOT FUEL GAS AND ACTIVE CHAR. THE ACTIVE CHAR IS REMOVED FROM THE GASIFIER ASSEMBLY AND IS MIXED WITH INCOMING POLLUTED WATER FOR PURIFICATION. THE CONTAMINATED CHR IS REMOVED FROM THE WATER WHICH IS THEN LIME CLARIFIED, FILTERED AND, IF DESIRED, STERILIZED AND DISTILLED. THE CONTAMINATED CHAR IS REACTIVATED FOR REUSE IN WATER PURIFICATION OR CONSUMED IN GASIFIER ASSEMBLY.
Inventors
- 👤 R Smith
- 👤 D Furlong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:30
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/28; C02F1/283; C02F11/00; C02F11/10; C02F9/00; F; F23; F23G; F23G5/00; F23G5/006; F23G5/30; Y; Y02; Y02W; Y02W10/00; Y02W10/40; Y10; Y10S; Y10S159/00; Y10S159/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |