Inventor · disambiguated record
Fritz Ludewig
Also filed as: LUDEWIG FRITZ
2 granted patents·15 citations·filing 1985–2017
51Inventor score
Top patents by PatentIndex Score
2 records- 0145US4673510AProcess for the disposal of settled sludge derived from a biological sewage-disposal plantVOEST ALPINE AG·Filed 1985·Granted Jun 16, 1987·15 cites·11 claims
- 0241US11512368B2Method for removing fluoride from a zinc-containing solution or suspension, defluoridated zinc sulfate solution and use thereof, and method for producing zinc and hydrogen fluoride or hydrofluoric acidMONTANUNIV LEOBEN·Filed 2017·Granted Nov 29, 2022·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →