Inventor · disambiguated record

Ludwig John

Also filed as: JOHN LUDWIG

2 granted patents·94 citations·filing 1975–1975

68Inventor score

Technology areasB22D

Files withKAISER ALUMINIUM CHEM CORP2

Top patents by PatentIndex Score

2 records

0193US3985179AElectromagnetic casting apparatusKAISER ALUMINIUM CHEM CORP·Filed 1975·Granted Oct 21, 1976·48 cites·8 claims
0292US4004631AElectromagnetic casting apparatusKAISER ALUMINIUM CHEM CORP·Filed 1975·Granted Jan 25, 1977·46 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when Ludwig John 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 →