US3115296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the prevention of fires in oxygen high-pressure compressors
Assignee: Linde GmbH
•
Filing: 1960-12-05
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Granted: 1963-12-24
•
Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Karwat Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:48
CPC Classifications
F; F04; F04B; F04B25/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0379
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
PROCESS FOR PREVENTING FIRES DURING THE COMPRESSION OF SUBSTANTIALLY PURE OXYGEN IN A COMPRESSOR WITH AT LEAST TWO STAGES, EACH STAGE THEREOF HAVING A PRESSURE VALVE AND A SUCTION VALVE, WHICH COMPRISES CONTINUOUSLY MEASURING THE PRESSURE OF THE SUBSTANTIALLY PURE OXYGEN BETWEEN THE PRESSURE VALVE OF ONE COMPRESSOR STAGE AND THE SUCTION VALVE OF THE NEXT SUCCEEDING COMPRESSOR STAGE, AND AUTOMATICALLY STOPPING THE COMPRESSOR WHEN SAID PRESSURE EXCEEDS A PREDETERMINED VALUE.
Claim 2
Dependent Claim
71 words
PROCESS FOR PREVENTING FIRES DURING THE COMPRESSION OF SUBSTANTIALLY PURE OXYGEN IN A COMPRESSOR WITH AT LEAST TWO STAGES, EACH STAGE THEREOF HAVING A PRESSURE VALVE AND A SUCTION VALVE, WHICH COMPRISES CONTINUOUSLY MEASURING THE PRESSURE OF THE SUBSTANTIALLY PURE OXYGEN BETWEEN THE PRESSURE VALVE OF ONE COMPRESSOR STAGE AND THE SUCTION VALVE OF THE NEXT SUCCEEDING COMPRESSOR STAGE, AND AUTOMATICALLY STOPPING THE COMPRESSOR WHEN SAID PRESSURE EXCEEDS A PREDETERMINED VALUE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |