Patent US3395972A successfully refreshed from Google Patents.
US3395972A
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US
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Method of cleaning and purifying particle laden discharge streams
Assignee: Universal Oil Products Co
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Filing: 1965-05-20
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Granted: 1968-08-06
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Expires: 1985-05-20
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Hardison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:08
CPC Classifications
B; B05; B05B; B05B14/00; B05B14/40; B05B14/49; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S55/00; Y10S55/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CONTINUOUS METHOD FOR CLEANING AND PURIFYING A PROCESSING ZONE DISCHARGE AIR STREAM CONTAINING COMBUSTIBLE PARTICULATES, WHICH COMPRISES THE STEPS OF INITIALLY PASSING SUCH STREAM FROM THE PROCESSING ZONE THROUGH A MOVING HEAT RESISTANT WIRE MESH FILTERING BELT WITHIN A PARTICULATE REMOVAL ZONE DISCHARGING A RESULTING PARTICLE FREE STREAM FROM SAID REMOVAL ZONE, CONTINUOUSLY PASSING A PORTION OF SAID WIRE MESH FILTERING BELT WITH DEPOSITED PARTICLES TO A THERMAL BURN-OFF ZONE AND THEREIN SUBJECTING THE BELT TO HIGH TEMPERATURE HEATING SUFFICIENT TO EFFECT THE OXIDATION AND REMOVAL OF THE DEPOSITED PARTICLES THEREFROM, CONTINUOUSLY RETURNING A CLEANED PORTION OF BELT TO SAID PARTICULATE REMOVAL ZONE WHILE PASSING A RESULTING COMBUSTION GAS STREAM FROM SAID BURNOFF ZONE TO A CATALYTIC OXIDATION ZONE AND THEREIN CONTACTING A PERVIOUS OXIDATION CATALYST BED TO PROVIDE OXI-
Claim 2
Dependent Claim
131 words
A CONTINUOUS METHOD FOR CLEANING AND PURIFYING A PROCESSING ZONE DISCHARGE AIR STREAM CONTAINING COMBUSTIBLE PARTICULATES, WHICH COMPRISES THE STEPS OF INITIALLY PASSING SUCH STREAM FROM THE PROCESSING ZONE THROUGH A MOVING HEAT RESISTANT WIRE MESH FILTERING BELT WITHIN A PARTICULATE REMOVAL ZONE DISCHARGING A RESULTING PARTICLE FREE STREAM FROM SAID REMOVAL ZONE, CONTINUOUSLY PASSING A PORTION OF SAID WIRE MESH FILTERING BELT WITH DEPOSITED PARTICLES TO A THERMAL BURN-OFF ZONE AND THEREIN SUBJECTING THE BELT TO HIGH TEMPERATURE HEATING SUFFICIENT TO EFFECT THE OXIDATION AND REMOVAL OF THE DEPOSITED PARTICLES THEREFROM, CONTINUOUSLY RETURNING A CLEANED PORTION OF BELT TO SAID PARTICULATE REMOVAL ZONE WHILE PASSING A RESULTING COMBUSTION GAS STREAM FROM SAID BURNOFF ZONE TO A CATALYTIC OXIDATION ZONE AND THEREIN CONTACTING A PERVIOUS OXIDATION CATALYST BED TO PROVIDE OXI-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |