US2947600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating exhaust gases with an exhaust gas burner with catalytically induced flame
Assignee: BARKELEW Manufacturing Co
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Filing: 1958-01-20
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Granted: 1960-08-02
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Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Clayton William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:10
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/07; F01; F01N; F01N3/00; F01N3/02; F01N3/0205; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N3/30; F01N3/34; F01N3/38; F01N2230/00; F01N2230/08; F01N2250/00; F01N2250/04; F01N2470/00; F01N2470/30; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
THE METHOD OF EFFECTING OXIDATION OF THE OXIDIZABLE CONSTITUENTS OF A GASEOUS EXHAUST MIXTURE, COMPRISING IN COMBINATION THE STEPS OF PASSING A FIRST MINOR PORTION ONLY OF THE GASEOUS MIXTURE TOGETHER WITH AIR INTO CONTACT WITH A CATALYST AND THEREBY INDUCING EXOTHERMIC OXIDATION OF THE OXIDIZABLE CONSTITUENTS OF THAT FIRST PORTION, HEATING A SECOND MINOR PORTION ONLY OF THE GASEOUS MIXTURE WITH HEAT DERIVED FROM SAID CATALYST INDUCED EXOTERMIC OXIDATION, INITIATING AND MAINTAINING COMBUSTION OF THE OXIDIZABLE CONSTITUENTS OF SAID HEATED SECOND MINOR PORTION OF THE GASEOUS MIXTURE TOGETHER WITH AIR TO PRODUCE A PILOT FLAME, AND INTRODUCING THE REMAINDER OF SAID GASEOUS MIXTURE TOGETHER WITH AIR INTO PROXIMITY OF THE PILOT FLAME TO INITIATE AND MAINTAIN OXIDATION OF THE OXIDIZABLE CONSTITUENTS OF SAID REMAINING PORTION BY THE HEAT OF THE PILOT FLAME, AND THUS FINALLY PRODUCING AN EXHAUST MIXTURE SUBSTANTIALLY DEVOID OF CONSTITUENTS WHICH ARE COMBUSTIBLE IN AIR.
Claim 2
Independent Claim
149 words
THE METHOD OF EFFECTING OXIDATION OF THE OXIDIZABLE CONSTITUENTS OF A GASEOUS EXHAUST MIXTURE, COMPRISING IN COMBINATION THE STEPS OF PASSING A FIRST MINOR PORTION ONLY OF THE GASEOUS MIXTURE TOGETHER WITH AIR INTO CONTACT WITH A CATALYST AND THEREBY INDUCING EXOTHERMIC OXIDATION OF THE OXIDIZABLE CONSTITUENTS OF THAT FIRST PORTION, HEATING A SECOND MINOR PORTION ONLY OF THE GASEOUS MIXTURE WITH HEAT DERIVED FROM SAID CATALYST INDUCED EXOTERMIC OXIDATION, INITIATING AND MAINTAINING COMBUSTION OF THE OXIDIZABLE CONSTITUENTS OF SAID HEATED SECOND MINOR PORTION OF THE GASEOUS MIXTURE TOGETHER WITH AIR TO PRODUCE A PILOT FLAME, AND INTRODUCING THE REMAINDER OF SAID GASEOUS MIXTURE TOGETHER WITH AIR INTO PROXIMITY OF THE PILOT FLAME TO INITIATE AND MAINTAIN OXIDATION OF THE OXIDIZABLE CONSTITUENTS OF SAID REMAINING PORTION BY THE HEAT OF THE PILOT FLAME, AND THUS FINALLY PRODUCING AN EXHAUST MIXTURE SUBSTANTIALLY DEVOID OF CONSTITUENTS WHICH ARE COMBUSTIBLE IN AIR.
References Cited (Backward Citations)
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US2551823A
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US2512586A
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |