Patent US3903347A successfully refreshed from Google Patents.
Patent US3369598A successfully refreshed from Google Patents.
US3369598A
Expired / Lapsed
US
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Heat exchanger having a filling of rolling or tumbling bodies and method for the operation thereof
Assignee: Buss AG
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Filing: 1965-07-22
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Granted: 1968-02-20
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Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Heinz J List
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:08
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/04; B02C17/06; F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/18; F28D; F28D11/00; F28D11/02; F28D11/06; F28F; F28F5/00; F28F5/02; F28F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A HEAT EXCHANGER FOR LIQUID, PASTY AND GRANULAR MATERIALS, WHICH COMPRISES A HOUSING HAVING A MATERIAL INLET, A MATERIAL OUTLET AND A GAS WITHDRAWAL OUTLET, AND DISPLACEABLE ABOUT ITS LONGITUDINAL AXIS; A FILLING OF ROLLING BODIES IN SAID HOUSING; HEAT EXCHANGE MEANS OPERATIVELY ASSOCIATED WITH SAID HOUSING TO EXCHANGE HEAT WITH THE LATTER; HEAT TRANSFER RIBS EXTENDING WITHIN SAID HOUSING AND INTO SAID FILLING AND IN HEAT EXCHANGE RELATION WITH SAID HEAT EXCHANGING MEANS, SAID HEAT TRANSFER RIBS AUGUMENTING THE HEAT TRANSMISSION SURFACES EFFECTIVE ON THE MATERIAL; AND ROLLING BODIES, UPON DISPLACEMENT OF SAID HOUSING ABOUT ITS LONGITUDINAL AXIS, BEING DISPLACED ALONG THE SURFACES OF SAID RIBS TO EFFECT A CLEANING ACTION ON THE SAME.
Claim 2
Dependent Claim
115 words
A HEAT EXCHANGER FOR LIQUID, PASTY AND GRANULAR MATERIALS, WHICH COMPRISES A HOUSING HAVING A MATERIAL INLET, A MATERIAL OUTLET AND A GAS WITHDRAWAL OUTLET, AND DISPLACEABLE ABOUT ITS LONGITUDINAL AXIS; A FILLING OF ROLLING BODIES IN SAID HOUSING; HEAT EXCHANGE MEANS OPERATIVELY ASSOCIATED WITH SAID HOUSING TO EXCHANGE HEAT WITH THE LATTER; HEAT TRANSFER RIBS EXTENDING WITHIN SAID HOUSING AND INTO SAID FILLING AND IN HEAT EXCHANGE RELATION WITH SAID HEAT EXCHANGING MEANS, SAID HEAT TRANSFER RIBS AUGUMENTING THE HEAT TRANSMISSION SURFACES EFFECTIVE ON THE MATERIAL; AND ROLLING BODIES, UPON DISPLACEMENT OF SAID HOUSING ABOUT ITS LONGITUDINAL AXIS, BEING DISPLACED ALONG THE SURFACES OF SAID RIBS TO EFFECT A CLEANING ACTION ON THE SAME.
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |