Inventor · disambiguated record
Michel Douchy
Also filed as: DOUCHY MICHEL
7 granted patents·79 citations·filing 1981–1989
85Inventor score
Top patents by PatentIndex Score
7 records- 0178US4364770AManufacture of a composite tubular productVALLOUREC·Filed 1981·Granted Dec 21, 1982·26 cites·13 claims
- 0267US4708897AComposite product having a tubular metal casing with a welt-type seam, and a core in powder form, which can be rolled upVALLOUREC·Filed 1984·Granted Nov 24, 1987·18 cites·9 claims
- 0359US4486227AManufacture of a composite tubular productVALLOUREC·Filed 1982·Granted Dec 4, 1984·14 cites·8 claims
- 0447US4956010AMethod of desulphurizing pig-ironAFFIVAL·Filed 1989·Granted Sep 11, 1990·7 cites·18 claims
- 0541US4906292AComposite article having a tubular sheath containing a compacted material, for the treatment of liquid metals, and process for the production of said articleVALLOUREC·Filed 1988·Granted Mar 6, 1990·4 cites·37 claims
- 0639US4816068AComposite article having a tubular sheath containing a compacted material, for the treatment of liquid metals, and process for the production of said articleVALLOUREC·Filed 1987·Granted Mar 28, 1989·6 cites·17 claims
- 0732US4863803AComposite product with a tubular casing for treating molten metal bathsAFFIVAL·Filed 1988·Granted Sep 5, 1989·4 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Michel Douchy files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →