US3092514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cleaning and thawing flow lines and the like
Assignee: Petro-Electronics Corp
•
Filing: 1959-05-25
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Granted: 1963-06-04
•
Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Bill M Tomberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:29
CPC Classifications
F; F16; F16L; F16L53/00; F16L53/30; F16L53/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
THE METHOD OF REDUCING THE VISCOSITY OF CRUDE OIL AND PRECIPITATES THEREOF FLOWING IN A TUBE COMPRISING THE STEPS OF DIRECTING MICROWAVE ENERGY THROUGH A WAVE GUIDE CONNECTION IN A FLOW TUBE IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF THE TUBE, SELECTIVELY CONTROLLING THE FREQUENCY AND WAVE LENGTH OF THE ENERGY IN ACCORDANCE WITH THE CONFIGURATION AND SIZE OF THE TUBE WHEREUPON THE TUBE ACTS AS A WAVE GUIDE FOR THE TRANSMISSION OF ENERGY ALONG THE INTERIOR SURFACE THEREOF TO THEREBY PRODUCE A SKIN EFFECT IN THE DEPOLYMERIZATION OF PRECIPITATES COLLECTING ON THE INTERIOR SURFACE ALONG WITH THE ATTENUATION OF THE ENERGY INTO HEAT BY THE ORGANIC FLUIDS FLOWING THERETHROUGH, CONTROLLING THE LENGTH OF TRAVEL THROUGH THE TUBE WITHIN A SELECTED DISTANCE, AND POSITIONING A WAVE GUIDE TERMINUS BETWEEN OBSTRUCTIONS IN THE FLOW TUBE AND THE WAVE GUIDE ON AT LEAST ONE SIDE OF THE WAVE GUIDE TO BLOCK THE TRAVEL OF MICROWAVE ENERGY THROUGH THE OBSTRUCTION.
Claim 2
Independent Claim
159 words
THE METHOD OF REDUCING THE VISCOSITY OF CRUDE OIL AND PRECIPITATES THEREOF FLOWING IN A TUBE COMPRISING THE STEPS OF DIRECTING MICROWAVE ENERGY THROUGH A WAVE GUIDE CONNECTION IN A FLOW TUBE IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF THE TUBE, SELECTIVELY CONTROLLING THE FREQUENCY AND WAVE LENGTH OF THE ENERGY IN ACCORDANCE WITH THE CONFIGURATION AND SIZE OF THE TUBE WHEREUPON THE TUBE ACTS AS A WAVE GUIDE FOR THE TRANSMISSION OF ENERGY ALONG THE INTERIOR SURFACE THEREOF TO THEREBY PRODUCE A SKIN EFFECT IN THE DEPOLYMERIZATION OF PRECIPITATES COLLECTING ON THE INTERIOR SURFACE ALONG WITH THE ATTENUATION OF THE ENERGY INTO HEAT BY THE ORGANIC FLUIDS FLOWING THERETHROUGH, CONTROLLING THE LENGTH OF TRAVEL THROUGH THE TUBE WITHIN A SELECTED DISTANCE, AND POSITIONING A WAVE GUIDE TERMINUS BETWEEN OBSTRUCTIONS IN THE FLOW TUBE AND THE WAVE GUIDE ON AT LEAST ONE SIDE OF THE WAVE GUIDE TO BLOCK THE TRAVEL OF MICROWAVE ENERGY THROUGH THE OBSTRUCTION.
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US2537737A
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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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |