Patent US2622937A successfully refreshed from Google Patents.
US2622937A
Expired / Lapsed
US
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Prevention of erosion in pipe lines
Assignee: Standard Oil Co
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Filing: 1949-05-31
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Granted: 1952-12-23
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Expires: 1969-05-31
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:23
CPC Classifications
F; F16; F16L; F16L57/00; F16L57/06; Y; Y10; Y10T; Y10T137/00; Y10T137/4238
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
APPARATUS FOR PROTECTING PIPE LINES AND ASSOCIATED EQUIPMENT FROM SROSION CAUSED BY FLUIDIZED-SOLIDS THAT ARE TRANSPORTED, IN A GAS STREAM IN THE SAID PIPE LINES, THE SAID APPARATUS COMPRISING AN ELECTROMAGNETIC COIL WOUND UPON AN ELEMENT OF THE PIPE LINE EQUIPMENT THAT IS ELECTRICALLY INSULATED FROM THE PIPE LINE AND IS SUBJECTED TO EROSION SO THAT THE ELEMENT AND COIL CONSTITUTE AN ELECTROMAGNET, AND A SOFT, RESILIENT MAGNETIC CUSHION COMPRISING PARTICLES OF PARTICULATE MAGNETIZED MATERIAL HELD UPON A SURFACE OF THE SAID EQUIPMENT THAT IS SUBJECTED TO EROSION BY THE MAGNETIC FORCE OF SAID PERMANENT MAGNET.
Claim 2
Dependent Claim
96 words
APPARATUS FOR PROTECTING PIPE LINES AND ASSOCIATED EQUIPMENT FROM SROSION CAUSED BY FLUIDIZED-SOLIDS THAT ARE TRANSPORTED, IN A GAS STREAM IN THE SAID PIPE LINES, THE SAID APPARATUS COMPRISING AN ELECTROMAGNETIC COIL WOUND UPON AN ELEMENT OF THE PIPE LINE EQUIPMENT THAT IS ELECTRICALLY INSULATED FROM THE PIPE LINE AND IS SUBJECTED TO EROSION SO THAT THE ELEMENT AND COIL CONSTITUTE AN ELECTROMAGNET, AND A SOFT, RESILIENT MAGNETIC CUSHION COMPRISING PARTICLES OF PARTICULATE MAGNETIZED MATERIAL HELD UPON A SURFACE OF THE SAID EQUIPMENT THAT IS SUBJECTED TO EROSION BY THE MAGNETIC FORCE OF SAID PERMANENT MAGNET.
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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |