US3239278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for injecting bulk solids into a vessel
Assignee: Whirl-Air-Flow Corp
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Filing: 1964-04-13
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Granted: 1966-03-08
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Edward E Mueller
- 👤 Donald B Bartz
- 👤 Melvin J Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0025; F27D3/0032; B; B22; B22D; B22D1/00; B22D1/002; B22D1/005; B65; B65G; B65G53/00; B65G53/34; B65G53/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN AN APPARATUS FOR INJECTING BULK SOLIDS INTO A VESSEL: (A) MEANS DEFINING A CHARGE-RECEIVING CHAMBER HAVING AN OUTLET AT ONE END PORTION FOR CONNECTION WITH A VESSEL AND HAVING A GAS INLET AT ITS OTHER END PORTION, (B) A TUBULAR MATERIAL DELIVERY CONDUIT FOR DELIVERY OF BULK SOLIDS FROM A SOURCE THEREOF TO SAID CHAMBER INTERMEDIATE SAID INLET AND OUTLET, (C) SAID CONDUIT HAVING A PORTION DEFINING GAS PASSAGE MEANS DIRECTED ANGULARLY INWARDLY TO THE INTERIOR OF SAID MATERIAL DELIVERY CONDUIT AND GENERALLY LONGITUDINALLY OF SAID MATERIAL DELIVERY CONDUIT TOWARD SAID CHAMBER, (D) CONDUIT MEANS INCLUDING A PAIR OF GAS CONDUITS FOR CONNECTION TO A SOURCE OF GAS UNDER PRESSURE, ONE THEREOF BEING CONNECTED TO SAID GAS INLET AND THE OTHER THEREOF TO SAID GAS PASSAGE MEANS, (E) A PAIR OF VALVES, ONE IN EACH OF SAID GAS CONDUITS, (F) AND MEANS FOR OPENING SAID VALVES SUBSTANTIALLY SIMULTANEOUSLY.
Claim 2
Dependent Claim
149 words
IN AN APPARATUS FOR INJECTING BULK SOLIDS INTO A VESSEL: (A) MEANS DEFINING A CHARGE-RECEIVING CHAMBER HAVING AN OUTLET AT ONE END PORTION FOR CONNECTION WITH A VESSEL AND HAVING A GAS INLET AT ITS OTHER END PORTION, (B) A TUBULAR MATERIAL DELIVERY CONDUIT FOR DELIVERY OF BULK SOLIDS FROM A SOURCE THEREOF TO SAID CHAMBER INTERMEDIATE SAID INLET AND OUTLET, (C) SAID CONDUIT HAVING A PORTION DEFINING GAS PASSAGE MEANS DIRECTED ANGULARLY INWARDLY TO THE INTERIOR OF SAID MATERIAL DELIVERY CONDUIT AND GENERALLY LONGITUDINALLY OF SAID MATERIAL DELIVERY CONDUIT TOWARD SAID CHAMBER, (D) CONDUIT MEANS INCLUDING A PAIR OF GAS CONDUITS FOR CONNECTION TO A SOURCE OF GAS UNDER PRESSURE, ONE THEREOF BEING CONNECTED TO SAID GAS INLET AND THE OTHER THEREOF TO SAID GAS PASSAGE MEANS, (E) A PAIR OF VALVES, ONE IN EACH OF SAID GAS CONDUITS, (F) AND MEANS FOR OPENING SAID VALVES SUBSTANTIALLY SIMULTANEOUSLY.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |