Inventor
FRACCHIA PIERLUIGI
IT8 patents
⚠️ This page may combine multiple inventors who share the name “FRACCHIA PIERLUIGI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGITEC IMPIANTI
5 patentsUS4769116ASep 6, 1988
Hydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteries
ENGITEC IMPIANTI73 citations94
US4927510AMay 22, 1990
Hydrometallurgical process for recovering in pure metal form all the lead contained in the active mass of exhausted batteries
ENGITEC IMPIANTI45 citations90
US5039337AAug 13, 1991
Process for producing electrolytic lead and elemental sulfur from galena
ENGITEC IMPIANTI15 citations71
US5030520AJul 9, 1991
Electrical conductor, in particular suitable for use as an insoluble anode in electrowinning processes, and in electrochemical processes in general, and process for producing it
ENGITEC IMPIANTI6 citations67
US5013356AMay 7, 1991
Process for the processing of slag from aluminium scrap and waste melting, recovery of components thereof and treatment of gasses generated
ENGITEC IMPIANTI2 citations58
BUS ENGITEC SERV AMBIENTALI
2 patentsUS5277777AJan 11, 1994
Insoluble anode for electrolyses in aqueous solutions
BUS ENGITEC SERV AMBIENTALI10 citations71
US5106466AApr 21, 1992
Process 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 batteries
BUS ENGITEC SERV AMBIENTALI16 citations71