Inventor · disambiguated record
Charles Sparks
Also filed as: SPARKS CHARLES · SPARKS CHARLES P
10 granted patents·477 citations·filing 1980–1995
92Inventor score
Top patents by PatentIndex Score
10 records- 0194US5443099ATube of composite material for drilling and/or transport of liquid or gaseous products, in particular for offshore oil exploitation and method for fabrication of such a tubeAEROSPATIALE·Filed 1992·Granted Aug 22, 1995·124 cites·22 claims
- 0292US5499661ATube comprising composite layers with different modulii of elasticityINST FRANCAIS DU PETROLE·Filed 1995·Granted Mar 19, 1996·90 cites·36 claims
- 0385US5288109AMethod for mechanical joining a tube of composite material and a metallic fitting and structure thus obtainedAEROSPATIALE·Filed 1992·Granted Feb 22, 1994·61 cites·14 claims
- 0481US5110644AComposition material tube substantially insensitive to the variations of length under the effect of the internal pressureINST FRANCAIS DU PETROLE ET AE·Filed 1990·Granted May 5, 1992·49 cites·21 claims
- 0572US4854781AVariable rigidity element for transfer column footINST FRANCAIS DU PETROLE·Filed 1988·Granted Aug 8, 1989·35 cites·5 claims
- 0660US5062914AMethod for affixing a metallic tip to a tube made of composite wound materialAREOSPATIALE·Filed 1989·Granted Nov 5, 1991·33 cites·10 claims
- 0758US4362215AMarine riser provided with a hinged foot for offshore hydrocarbon productionINST FRANCAIS DU PETROLE·Filed 1980·Granted Dec 7, 1982·24 cites·12 claims
- 0852US5660233ARiser for great water depthsINST FRANCAIS DU PETROLE·Filed 1995·Granted Aug 26, 1997·31 cites·13 claims
- 0947US5749985AProcess for optimizing multilayered tubes made of composite materials and tubes obtained through the processINST FRANCAIS DU PETROLE·Filed 1993·Granted May 12, 1998·16 cites·7 claims
- 1044US5447390AProcess for manufacturing a variable stiffness line and associated elementINST FRANCAIS DU PETROLE·Filed 1992·Granted Sep 5, 1995·14 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →