Inventor · disambiguated record
Bruno J. M. De Sivry
Also filed as: DE SIVRY BRUNO · DE SIVRY BRUNO J M
15 granted patents·143 citations·filing 1979–1983
92Inventor score
Files withPETROLES CIE FRANCAISE15
Top patents by PatentIndex Score
15 records- 0175US4410210ARetaining grippersPETROLES CIE FRANCAISE·Filed 1981·Granted Oct 18, 1983·33 cites·3 claims
- 0270US4443129AMethod and apparatus for tapping a submerged pipePETROLES CIE FRANCAISE·Filed 1981·Granted Apr 17, 1984·35 cites·25 claims
- 0360US4485344AApparatus for electromagnetically measuring the ovalization of a ferromagnetic pipePETROLES CIE FRANCAISE·Filed 1981·Granted Nov 27, 1984·16 cites·9 claims
- 0457US4305591AInflatable sealsPETROLES CIE FRANCAISE·Filed 1980·Granted Dec 15, 1981·13 cites·15 claims
- 0544US4357517AElectron beam welding with beam focus controlled responsive to absorbed beam powerPETROLES CIE FRANCAISE·Filed 1980·Granted Nov 2, 1982·7 cites·7 claims
- 0643US4370541AElectron beam chamber for butt welding pipesPETROLES CIE FRANCAISE·Filed 1981·Granted Jan 25, 1983·8 cites·9 claims
- 0741US4430550AElectron beam weldingPETROLES CIE FRANCAISE·Filed 1982·Granted Feb 7, 1984·5 cites·8 claims
- 0837US4476605ARotary metal brush for removing submerged anti-corrosive covering and method for using the samePETROLES CIE FRANCAISE·Filed 1983·Granted Oct 16, 1984·7 cites·11 claims
- 0936US4442867AInternal obturators for pipesPETROLES CIE FRANCAISE·Filed 1983·Granted Apr 17, 1984·8 cites·4 claims
- 1033US4319709APositioning of an additional tubular element on a tubular structurePETROLES CIE FRANCAISE·Filed 1979·Granted Mar 16, 1982·5 cites·10 claims
- 1130US4425059AProcess for removing a concrete coveringPETROLES CIE FRANCAISE·Filed 1981·Granted Jan 10, 1984·3 cites·8 claims
- 1229US4314135APositioning of one or more tools relative to a tubular structurePETROLES CIE FRANCAISE·Filed 1979·Granted Feb 2, 1982·1 cites·11 claims
- 1328US4368374AVacuum chamber for electron beam butt welding of pipesPETROLES CIE FRANCAISE·Filed 1981·Granted Jan 11, 1983·2 cites·11 claims
- 1428US4358656AElectron beam weldingPETROLES CIE FRANCAISE·Filed 1980·Granted Nov 9, 1982·0 cites·5 claims
- 1526US4493966AInternal mandrel used in an operation of butt joining two lengths of tubing by weldingPETROLES CIE FRANCAISE·Filed 1982·Granted Jan 15, 1985·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →