Patent US3099519A successfully refreshed from Google Patents.
US3099519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for sterilizing heat exchangers
Assignee: Alfa Laval Holdings Amsterdam AB
•
Filing: 1960-05-20
•
Granted: 1963-07-30
•
Expires: 1980-05-20
Abstract
No abstract record available.
Inventors
- 👤 Falkenblad Nils Tore
- 👤 Hallstrom Bengt Hilding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:07
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/1332; A23C; A23C7/00; A23C7/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
IN THE STERILIZATION OF A HEAT EXCHANGER OF THE TYPE HAVING HEAT EXCHANGE CHAMBERS PARTLY DEFINED BY PACKINGS UNDER COMPRESSION BETWEEN PARTS OF THE EXCHANGER, THE METHOD WHICH COMPRISES SUPPLYING A STERILIZING AGENT IN THE FORM OF A FREE-FLOWING FLUID TO A CLOSED CHAMBER SURROUNDING SAID PACKINGS EXTERNALLY OF THE HEAT EXCHANGE CHAMBERS, AND MAINTANING SAID SURROUNDING CHAMBER SUBSTANTIALLY FILLED WITH SAID FLUID AGENT.
Claim 2
Dependent Claim
64 words
IN THE STERILIZATION OF A HEAT EXCHANGER OF THE TYPE HAVING HEAT EXCHANGE CHAMBERS PARTLY DEFINED BY PACKINGS UNDER COMPRESSION BETWEEN PARTS OF THE EXCHANGER, THE METHOD WHICH COMPRISES SUPPLYING A STERILIZING AGENT IN THE FORM OF A FREE-FLOWING FLUID TO A CLOSED CHAMBER SURROUNDING SAID PACKINGS EXTERNALLY OF THE HEAT EXCHANGE CHAMBERS, AND MAINTANING SAID SURROUNDING CHAMBER SUBSTANTIALLY FILLED WITH SAID FLUID AGENT.
Claim 3
Dependent Claim
57 words
A HEAT EXCHANGER COMPRISING HEAT EXCHANGE ELEMENTS, PACKINGS DEFINING WITH SAID ELEMENTS A PLURALITY OF HEAT EXCHANGE CHAMBERS, MEANS FORMING A CLOSED CHAMBER SURROUNDING SAID PACKINGS AND ADAPTED TO BE FILLED WITH A STERILIZING AGENT EXTERNALLY OF THE HEAT EXCHANGE CHAMBERS, AND A STERILIZING AGENT IN THE FORM OF A FREE-FLOWING FLUID SUBSTANTIALLY FILLING SAID SURROUNDING CHAMBER.
Claim 4
Dependent Claim
57 words
A HEAT EXCHANGER COMPRISING HEAT EXCHANGE ELEMENTS, PACKINGS DEFINING WITH SAID ELEMENTS A PLURALITY OF HEAT EXCHANGE CHAMBERS, MEANS FORMING A CLOSED CHAMBER SURROUNDING SAID PACKINGS AND ADAPTED TO BE FILLED WITH A STERILIZING AGENT EXTERNALLY OF THE HEAT EXCHANGE CHAMBERS, AND A STERILIZING AGENT IN THE FORM OF A FREE-FLOWING FLUID SUBSTANTIALLY FILLING SAID SURROUNDING CHAMBER.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |