Patent US3659205A successfully refreshed from Google Patents.
Patent US2966402A successfully refreshed from Google Patents.
US2966402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of natural gas in distribution systems
Assignee: Carbonic Development Corp
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Filing: 1954-08-26
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Granted: 1960-12-27
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Expires: 1974-08-26
Abstract
No abstract record available.
Inventors
- 👤 Hasche Rudolph Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:15
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/063; F25J3/0635; F17; F17B; F17B1/00; F25J3/0605; F25J3/061; F25J3/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A METHOD OF OPERATING A PLANT FOR CONVERTING A HIGH PRESSURE NATURAL GAS SUPPLIED BY A TRANSMISSION LINE TO A SUBSTANTIALLY LOWER PRESSURE HEATING GAS AND FOR DISTRIBUTING SAID HEATING GAS TO CONSUMERS WITH A MINIMUM OF INTERRUPTION, WHICH COMPRISES: (1) WITHDRAWING SAID NATURAL GAS UNDER TRANSMISSION LINE PRESSURE FROM THE TRANSMISSION LINE BY WHICH SAID GAS IS SUPPLIED TO SAID PLANT, (2) COOLING SAID GAS WHILE UNDER SUBSTANTIALLY TRANSMISSION LINE PRESSURE TO FORM (A) A CONDENSED LIQUID FRACTION COMPRISING PREDOMINANTLY ETHANE AND HYDROCARBONS BOILING AT A TEMPERATURE HIGHER THAN ETHANE, AND (B) A GASEOUS FRACTION COMPRISING PREDOMINANTLY METHANE, (3) ADIABATICALLY EXPANDING SAID GASEOUS FRACTION TO AN EXTENT REQUISITE TO EFFECT SAID COOLING IN STEP (2), (4) PASSING SAID COLD EXPANDED GASEOUS FRACTION IN HEAT EXCHANGE RELATIONSHIP WITH SAID NATURAL GAS TO EFFECT THE COOLING IN STEP (2) AND THEREAFTER PASSING SAID EXPANDED GAS INTO THE DISTRIBUTION LINE OF SAID GAS PLANT, (5) SUBSTANTIALLY CONTINUOUSLY CONDUCTING SAID LIQUID FRACTION IN THE LIQUID STATE TO AT LEAST ONE STORAGE VESSEL MAINTAINED IN COMMUNICATION WITH THE DISTRIBUTION LINE DURING OPERATON OF THE SAID PLANT, AND WHEREIN SAID LIQUID FRACTION IS MAINTAINED AT A PRESSURE EQUAL TO THAT OF THE EXPANDED
Claim 2
Independent Claim
198 words
A METHOD OF OPERATING A PLANT FOR CONVERTING A HIGH PRESSURE NATURAL GAS SUPPLIED BY A TRANSMISSION LINE TO A SUBSTANTIALLY LOWER PRESSURE HEATING GAS AND FOR DISTRIBUTING SAID HEATING GAS TO CONSUMERS WITH A MINIMUM OF INTERRUPTION, WHICH COMPRISES: (1) WITHDRAWING SAID NATURAL GAS UNDER TRANSMISSION LINE PRESSURE FROM THE TRANSMISSION LINE BY WHICH SAID GAS IS SUPPLIED TO SAID PLANT, (2) COOLING SAID GAS WHILE UNDER SUBSTANTIALLY TRANSMISSION LINE PRESSURE TO FORM (A) A CONDENSED LIQUID FRACTION COMPRISING PREDOMINANTLY ETHANE AND HYDROCARBONS BOILING AT A TEMPERATURE HIGHER THAN ETHANE, AND (B) A GASEOUS FRACTION COMPRISING PREDOMINANTLY METHANE, (3) ADIABATICALLY EXPANDING SAID GASEOUS FRACTION TO AN EXTENT REQUISITE TO EFFECT SAID COOLING IN STEP (2), (4) PASSING SAID COLD EXPANDED GASEOUS FRACTION IN HEAT EXCHANGE RELATIONSHIP WITH SAID NATURAL GAS TO EFFECT THE COOLING IN STEP (2) AND THEREAFTER PASSING SAID EXPANDED GAS INTO THE DISTRIBUTION LINE OF SAID GAS PLANT, (5) SUBSTANTIALLY CONTINUOUSLY CONDUCTING SAID LIQUID FRACTION IN THE LIQUID STATE TO AT LEAST ONE STORAGE VESSEL MAINTAINED IN COMMUNICATION WITH THE DISTRIBUTION LINE DURING OPERATON OF THE SAID PLANT, AND WHEREIN SAID LIQUID FRACTION IS MAINTAINED AT A PRESSURE EQUAL TO THAT OF THE EXPANDED
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |