Patent US3229446A successfully refreshed from Google Patents.
US3229446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion inhibiting method
Assignee: Individual
•
Filing: 1963-01-29
•
Granted: 1966-01-18
•
Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Charles R Sebastian
- 👤 Jr George A Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:23
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/76; B67D7/763; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD OF INERTING A RELATIVELY LARGE QUANTITY OF FLAMMABLE LIQUID HAVING OXYGEN DISSOLVED THEREIN BY REMOVING AT LEAST SOME OF SAID OXYGEN FROM SAID LIQUID, SAID METHOD COMPRISING: FLOWING SAID LIQUID THROUGH A TUBULAR CONDUIT AT A PRESSURE GREATER THAN ATMOSPHERIC PRESSURE, COMPRESSING SAID FLOW OF SAID LIQUID IN SAID CONDUIT SUFFICIENTLY TO PRODUCE A FLOW CHARACTERIZED BY A REYNOLDS NUMBER IN THE TURBULENT RANGE, INJECTING A STREAM OF INERT GAS MORE SOLUBLE THAN OXYGEN AND AT LEAST PARTIALLY SOLBULE IN SAID LIQUID INTO SAID FLOW SIMULTANEOUSLY DURING SAID COMPRESSION, AND SUBSTANTIALLY AT THE AXIAL CENTER OF SAID LIQUID FLOW, AND THEREAFTER EXPOSING SAID LIQUID TO ATMOSPHERIC PRESSURE TO REMOVE OXYGEN.
Claim 2
Independent Claim
112 words
A METHOD OF INERTING A RELATIVELY LARGE QUANTITY OF FLAMMABLE LIQUID HAVING OXYGEN DISSOLVED THEREIN BY REMOVING AT LEAST SOME OF SAID OXYGEN FROM SAID LIQUID, SAID METHOD COMPRISING: FLOWING SAID LIQUID THROUGH A TUBULAR CONDUIT AT A PRESSURE GREATER THAN ATMOSPHERIC PRESSURE, COMPRESSING SAID FLOW OF SAID LIQUID IN SAID CONDUIT SUFFICIENTLY TO PRODUCE A FLOW CHARACTERIZED BY A REYNOLDS NUMBER IN THE TURBULENT RANGE, INJECTING A STREAM OF INERT GAS MORE SOLUBLE THAN OXYGEN AND AT LEAST PARTIALLY SOLBULE IN SAID LIQUID INTO SAID FLOW SIMULTANEOUSLY DURING SAID COMPRESSION, AND SUBSTANTIALLY AT THE AXIAL CENTER OF SAID LIQUID FLOW, AND THEREAFTER EXPOSING SAID LIQUID TO ATMOSPHERIC PRESSURE TO REMOVE OXYGEN.
References Cited (Backward Citations)
CA478679A
Cited
US694305A
Cited
US2104759A
Cited
US2191864A
Cited
US2338044A
Cited
US2413102A
Cited
US2792903A
Cited
US2718275A
Cited
US2809819A
Cited
US2983405A
Cited
US3132013A
Cited
US3073093A
Cited
US3063686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |