US3289623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frictional resistance reduction using non-newtonian fluid
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-03-09
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Granted: 1966-12-06
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 William O Gray
- 👤 Bryant A Hilliard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:23
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/38; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
APPARATUS FOR REDUCING THE FRICTIONAL RESISTANCE OF A LIQUID-SUPPORTED VESSEL IN A BALLAST AS WELL AS LOADED CONDITION COMPRISING, IN COMBINATION, A HULL HAVING A BOW AND A STERN AMD MEANS CARRIED BY SAID VESSEL FOR INTRODUCING A SMALL QUANTITY OF NON-NEWTONIAN FLUID AT THE BOW INTO THE ADJACENT VESSEL SUPPORTING LIQUID TO THEREBY ALTER THE SHEAR CHARACTERISTIC OF SAID LIQUID FROM A NEWTONIAN TO A NON-NEWTONIAN RELATIONSHIP WHEREIN THE SHEARING STRESS IS NO LONGER A FIXED RATIO TO THE RATE OF SHEAR; AND INTRODUCING MEANS INCLUDING, A SUBSTANTIALLY VERTICAL CONDUIT AFFIXED TO THE EXTERIOR OF THE HULL AND HAVING A PLURALITY OF FLUID DISCHARGE APERTURRES THROUGHOUT THE LENGTH THEREOF, SAID CONDUIT EXTENDING ABOVE AND BELOW THE BAL-
Claim 2
Dependent Claim
118 words
APPARATUS FOR REDUCING THE FRICTIONAL RESISTANCE OF A LIQUID-SUPPORTED VESSEL IN A BALLAST AS WELL AS LOADED CONDITION COMPRISING, IN COMBINATION, A HULL HAVING A BOW AND A STERN AMD MEANS CARRIED BY SAID VESSEL FOR INTRODUCING A SMALL QUANTITY OF NON-NEWTONIAN FLUID AT THE BOW INTO THE ADJACENT VESSEL SUPPORTING LIQUID TO THEREBY ALTER THE SHEAR CHARACTERISTIC OF SAID LIQUID FROM A NEWTONIAN TO A NON-NEWTONIAN RELATIONSHIP WHEREIN THE SHEARING STRESS IS NO LONGER A FIXED RATIO TO THE RATE OF SHEAR; AND INTRODUCING MEANS INCLUDING, A SUBSTANTIALLY VERTICAL CONDUIT AFFIXED TO THE EXTERIOR OF THE HULL AND HAVING A PLURALITY OF FLUID DISCHARGE APERTURRES THROUGHOUT THE LENGTH THEREOF, SAID CONDUIT EXTENDING ABOVE AND BELOW THE BAL-
References Cited (Backward Citations)
CA517508A
Cited
FR468325A
Cited
US1894256A
Cited
US3075489A
Cited
US3230919A
Cited
US3196823A
Cited
US3205846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |