Patent US3279151A successfully refreshed from Google Patents.
US3279151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressed air dehydration system with desiccant reactivating means
Assignee: Air Techniques Inc
•
Filing: 1964-03-23
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Granted: 1966-10-18
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr George C Kauer
- 👤 Louis E Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:54
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; Y; Y10; Y10S; Y10S55/00; Y10S55/17; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD OF OPERATION OF A GAS DRYING SYSTEM, WHICH SYSTEM INCLUDES A SOURCE OF COMPRESSED GAS COMPRISING A GAS COMPRESSOR WHICH MAY BE MANUALLY STARTED, A GAS DRYING CHAMBER CONTAINING A DESICCANT, AND GAS UTILIZATION MEANS, COMPRISING THE STEPS OF: NORMALLY PASSING A RELATIVELY LARGE STREAM OF COMPRESSED GAS FROM SAID SOURCE THROUGH SAID CHAMBER IN A FIRST DIRECTION TO SAID UTILIZATION MEANS, WHEREBY SAID DESICCANT ABSORBS MOISTURE FROM SAID GAS; AT INTERVALS, PROVIDING A REACTIVATION PERIOD COMPRISING DISCONTINUING THE FLOW OF GAS THROUGH SAID CHAMBER IN SAID FIRST DIRECTION, HEATING THE DESICCANT TO VAPORIZE ABSORBED MOSITURE, PASSING A RELATIVELY SMALL STREAM OF COMPRESSED GAS FROM SAID SOURCE THROUGH SAID CHAMBER IN A SECOND, OPPOSITE, DIRECTION TO A VENT, THEREBY EXPELLING THE VAPORIZED MOISTURE FROM SAID CHAM-
Claim 2
Independent Claim
128 words
A METHOD OF OPERATION OF A GAS DRYING SYSTEM, WHICH SYSTEM INCLUDES A SOURCE OF COMPRESSED GAS COMPRISING A GAS COMPRESSOR WHICH MAY BE MANUALLY STARTED, A GAS DRYING CHAMBER CONTAINING A DESICCANT, AND GAS UTILIZATION MEANS, COMPRISING THE STEPS OF: NORMALLY PASSING A RELATIVELY LARGE STREAM OF COMPRESSED GAS FROM SAID SOURCE THROUGH SAID CHAMBER IN A FIRST DIRECTION TO SAID UTILIZATION MEANS, WHEREBY SAID DESICCANT ABSORBS MOISTURE FROM SAID GAS; AT INTERVALS, PROVIDING A REACTIVATION PERIOD COMPRISING DISCONTINUING THE FLOW OF GAS THROUGH SAID CHAMBER IN SAID FIRST DIRECTION, HEATING THE DESICCANT TO VAPORIZE ABSORBED MOSITURE, PASSING A RELATIVELY SMALL STREAM OF COMPRESSED GAS FROM SAID SOURCE THROUGH SAID CHAMBER IN A SECOND, OPPOSITE, DIRECTION TO A VENT, THEREBY EXPELLING THE VAPORIZED MOISTURE FROM SAID CHAM-
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |