Sparks; Charles
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sparks; Charles.The latest application filed is for "tube comprising composite layers with different modulii of elasticity".
- Sparks; Charles - Le Vesinet FR
| Patent | Date |
|---|---|
| Tube comprising composite layers with different modulii of elasticity Grant 5,499,661 - Odru , et al. March 19, 1 | 1996-03-19 |
| Process for manufacturing a variable stiffness line and associated element Grant 5,447,390 - Sparks , et al. September 5, 1 | 1995-09-05 |
| Method for mechanical joining a tube of composite material and a metallic fitting and structure thus obtained Grant 5,288,109 - Auberon , et al. February 22, 1 | 1994-02-22 |
| Composition material tube substantially insensitive to the variations of length under the effect of the internal pressure Grant 5,110,644 - Sparks , et al. May 5, 1 | 1992-05-05 |
| Method for affixing a metallic tip to a tube made of composite wound material Grant 5,062,914 - Fuchs , et al. November 5, 1 | 1991-11-05 |
| Variable rigidity element for transfer column foot Grant 4,854,781 - Sparks , et al. August 8, 1 | 1989-08-08 |
| Marine riser provided with a hinged foot for offshore hydrocarbon production Grant 4,362,215 - Sparks December 7, 1 | 1982-12-07 |
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