Inventor · disambiguated record
Pierre Leroy
Also filed as: LEROY PIERRE · LEROY PIERRE J · LEROY PIERRE JEAN · ROOS PAUL P
21 granted patents·132 citations·filing 1975–2000
94Inventor score
Top patents by PatentIndex Score
21 records- 0192US4243211ATuyere for use in refining liquid metalsCREUSOT LOIRE·Filed 1979·Granted Jan 6, 1981·22 cites·12 claims
- 0273US4138098AMethod of blowing smelting shaft furnaces and tuyeres used for said blowingCREUSOT LOIRE·Filed 1976·Granted Feb 6, 1979·16 cites·3 claims
- 0368US3990890AProcess for refining molten copper matte with an enriched oxygen blowCREUSOT LOIRE·Filed 1975·Granted Nov 9, 1976·13 cites·8 claims
- 0466US4090869AProcess of manufacturing alloy steels in a continuously charged arc furnaceANTOINE LUCIEN·Filed 1977·Granted May 23, 1978·9 cites·9 claims
- 0566US4045213AMethod of injecting a powder containing carbon into a metal bathCREUSOT LOIRE·Filed 1977·Granted Aug 30, 1977·7 cites·7 claims
- 0663US6509503B1Process for preparing pesticidal intermediatesAVENTIS CROPSCIENCE SA·Filed 2000·Granted Jan 21, 2003·5 cites·7 claims
- 0763US4385753ATuyere for the simultaneous and separate introduction of at least one gas and one powder materialCREUSOT LOIRE·Filed 1981·Granted May 31, 1983·12 cites·6 claims
- 0857US3992194AMethod and apparatus for use in the treatment of metals in the liquid stateCREUSOT LOIRE·Filed 1975·Granted Nov 16, 1976·5 cites·9 claims
- 0949US4040611ADevice for clamping the base plate of a steel refining converterLEROY PIERRE·Filed 1976·Granted Aug 9, 1977·4 cites·8 claims
- 1044US4065159ARotary connectorSPRUNCK E·Filed 1976·Granted Dec 27, 1977·15 cites·12 claims
- 1141US4045215AMethod of refining mattes containing nickelCREUSOT LOIRE·Filed 1976·Granted Aug 30, 1977·5 cites·15 claims
- 1240US4171216AProcess for refining non-ferrous matteCREUSOT LOIRE·Filed 1978·Granted Oct 16, 1979·4 cites·8 claims
- 1340US4093190AProcess for the protection of a refractory wall in serviceCREUSOT LOIRE·Filed 1977·Granted Jun 6, 1978·2 cites·2 claims
- 1434US4106758AConverters for refining metalsCREUSOT LOIRE·Filed 1977·Granted Aug 15, 1978·4 cites·16 claims
- 1533US4157813AProcess for protecting a metallurgical tuyere against wear while minimizing the amount of liquid cooling agent supplied theretoCREUSOT LOIRE·Filed 1978·Granted Jun 12, 1979·1 cites·2 claims
- 1632US4040612ABlast pipe assembly for the bottom plate of a converter or furnace for refining metalsLEROY PIERRE·Filed 1976·Granted Aug 9, 1977·7 cites·3 claims
- 1728US4081268AMethod of protecting tuyeres for upwardly blowing pure oxygen through the bottom of steel convertersCREUSOT LOIRE·Filed 1977·Granted Mar 28, 1978·0 cites·8 claims
- 1827US4328031AMethod of mixed blowing for refining metals in a converterCREUSOT LOIRE·Filed 1980·Granted May 4, 1982·0 cites·3 claims
- 1926US4045007ABlast pipe for metallurgical convertersSPRUNCK EMILE·Filed 1976·Granted Aug 30, 1977·0 cites·4 claims
- 2026US3985350AConverterSPRUNCK EMILE·Filed 1975·Granted Oct 12, 1976·0 cites·8 claims
- 2123US4192675AProcess for decarburizing ferro-manganeseCREUSOT LOIRE·Filed 1978·Granted Mar 11, 1980·1 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Pierre Leroy 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 →