Inventor · disambiguated record
Pierluigi Fracchia
Also filed as: FRACCHIA PIERLUIGI
8 granted patents·182 citations·filing 1980–1991
88Inventor score
Top patents by PatentIndex Score
8 records- 0190US4769116AHydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteriesENGITEC IMPIANTI·Filed 1987·Granted Sep 6, 1988·73 cites·8 claims
- 0286US4927510AHydrometallurgical process for recovering in pure metal form all the lead contained in the active mass of exhausted batteriesENGITEC IMPIANTI·Filed 1988·Granted May 22, 1990·45 cites·5 claims
- 0370US4368070AMethod for scrubbing the flues and for recovering _the salts in a process for the production of secondary aluminumTONOLLI & C SPA A·Filed 1980·Granted Jan 11, 1983·15 cites·3 claims
- 0462US5039337AProcess for producing electrolytic lead and elemental sulfur from galenaENGITEC IMPIANTI·Filed 1990·Granted Aug 13, 1991·15 cites·8 claims
- 0554US5277777AInsoluble anode for electrolyses in aqueous solutionsBUS ENGITEC SERV AMBIENTALI·Filed 1991·Granted Jan 11, 1994·10 cites·11 claims
- 0645US5106466AProcess for the integral recovery of the sulphur contained in spent lead batteries, obtained in the form of pure sulphuric acid for reuse in the production of new batteriesBUS ENGITEC SERV AMBIENTALI·Filed 1991·Granted Apr 21, 1992·16 cites·9 claims
- 0734US5030520AElectrical conductor, in particular suitable for use as an insoluble anode in electrowinning processes, and in electrochemical processes in general, and process for producing itENGITEC IMPIANTI·Filed 1989·Granted Jul 9, 1991·6 cites·18 claims
- 0831US5013356AProcess for the processing of slag from aluminium scrap and waste melting, recovery of components thereof and treatment of gasses generatedENGITEC IMPIANTI·Filed 1990·Granted May 7, 1991·2 cites·5 claims
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