Patent US3263346A successfully refreshed from Google Patents.
US3263346A
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Heat exchanging method and apparatus
Assignee: Buell Engineering Co Inc
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Filing: 1963-07-24
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Granted: 1966-08-02
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Vandenhoeck Jean-Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:05
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; C; C05; C05G; C05G5/00; C05G5/10; C05G5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN A METHOD OF EXCHANGING HEAT BETWEEN A PARTICULATE MATERIAL AND A GAS, THE STEPS COMPRISING INTRODUCING THE MATERIAL ABOVE A PERFORATED PLATE WHOSE PERFORATIONS ARE SUFFICIENTLY LARGE TO PERMIT THE MATERIAL TO PASS THERETHROUGH, AND PASSING A GAS UPWARDLY THROUGH THE PLATE, THE GAS FLOW BEING SUFFICIENT TO PRODUCT TURBULENT ACTION OF THE MATERIAL ABOVE THE PLATE YET PERMITTING THE DOWNWARD PASSAGE OF MATERIAL THROUGH THE PLATE, THEREBY TO EXCHANGE HEAT BETWEEN THE MATERIAL AND THE GAS.
Claim 2
Dependent Claim
78 words
IN A METHOD OF EXCHANGING HEAT BETWEEN A PARTICULATE MATERIAL AND A GAS, THE STEPS COMPRISING INTRODUCING THE MATERIAL ABOVE A PERFORATED PLATE WHOSE PERFORATIONS ARE SUFFICIENTLY LARGE TO PERMIT THE MATERIAL TO PASS THERETHROUGH, AND PASSING A GAS UPWARDLY THROUGH THE PLATE, THE GAS FLOW BEING SUFFICIENT TO PRODUCT TURBULENT ACTION OF THE MATERIAL ABOVE THE PLATE YET PERMITTING THE DOWNWARD PASSAGE OF MATERIAL THROUGH THE PLATE, THEREBY TO EXCHANGE HEAT BETWEEN THE MATERIAL AND THE GAS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |