US3180691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of transporting solid and viscous material in pipe lines
Assignee: EOn Ruhrgas AG
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Filing: 1960-10-10
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Granted: 1965-04-27
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Wunsch Walther
- 👤 Puff Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:16
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A METHOD OF TRANSPORTING SOLID MATERIALS IN A PIPE LINE BY MEANS OF A CARRIER SUBSTANCE, WHICH INCLUDES THE STEPS OF: SELECTING AS SOLE CARRIER SUBSTANCE A GASEOUS LIQUEFIABLE SUBSTANCE WHICH WILL BE GASEOUS AT THE TEMPERATURE AND ATMOSPHERIC PRESSURE PREVAILING AT THE END OF THE SAID PIPE LINE, INTER-MIXING THE MATERIAL TO BE TRANSPORTED AND SAID CARRIER SUBSTANCE PRIOR TO PASSING THE SAME TOGETHER THROUGH SAID PIPE LINE WHILE AT THE LATEST AT THE START OF SAID PIPE LINE CAUSING SAID CARRIER SUBSTANCE TO ASSUME ITS LIQUIFIED CONDITION, PASSING THE SAID MIXTURE OF MATERIAL TO BE TRANSPORTED AND CARRIER SUBSTANCE IN LIQUIFIED CONDITION THROUGH SAID PIPE LINE WHILE MAINTAINING SAID CARRIER SUBSTANCE IN LIQUIFIED CONDITION, AND AT THE END OF SAID PIPE LINE CAUSING SAID CARRIER SUBSTANCE AT AND DUE TO THE THERE PREVAILING TEMPERATURE AND ATMOSPHERIC PRESSURE TO RECONVERT FROM ITS LIQUEFIED CONDITION INTO ITS GASEOUS CONDITION TO THEREBY SEPARATE SAID CARRIER SUBSTANCE FROM THE MATERIAL TRANSPORTED THEREBY.
Claim 2
Independent Claim
160 words
A METHOD OF TRANSPORTING SOLID MATERIALS IN A PIPE LINE BY MEANS OF A CARRIER SUBSTANCE, WHICH INCLUDES THE STEPS OF: SELECTING AS SOLE CARRIER SUBSTANCE A GASEOUS LIQUEFIABLE SUBSTANCE WHICH WILL BE GASEOUS AT THE TEMPERATURE AND ATMOSPHERIC PRESSURE PREVAILING AT THE END OF THE SAID PIPE LINE, INTER-MIXING THE MATERIAL TO BE TRANSPORTED AND SAID CARRIER SUBSTANCE PRIOR TO PASSING THE SAME TOGETHER THROUGH SAID PIPE LINE WHILE AT THE LATEST AT THE START OF SAID PIPE LINE CAUSING SAID CARRIER SUBSTANCE TO ASSUME ITS LIQUIFIED CONDITION, PASSING THE SAID MIXTURE OF MATERIAL TO BE TRANSPORTED AND CARRIER SUBSTANCE IN LIQUIFIED CONDITION THROUGH SAID PIPE LINE WHILE MAINTAINING SAID CARRIER SUBSTANCE IN LIQUIFIED CONDITION, AND AT THE END OF SAID PIPE LINE CAUSING SAID CARRIER SUBSTANCE AT AND DUE TO THE THERE PREVAILING TEMPERATURE AND ATMOSPHERIC PRESSURE TO RECONVERT FROM ITS LIQUEFIED CONDITION INTO ITS GASEOUS CONDITION TO THEREBY SEPARATE SAID CARRIER SUBSTANCE FROM THE MATERIAL TRANSPORTED THEREBY.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |