Inventor · disambiguated record

Carl E. Ruppel

Also filed as: RUPPEL CARL E

2 granted patents·19 citations·filing 1975–1977

58Inventor score

Technology areasC22C H01F

Files withALLEGHENY LUDLUM IND INC2

Top patents by PatentIndex Score

2 records

0160US4047983AProcess for producing soft magnetic materialALLEGHENY LUDLUM IND INC·Filed 1975·Granted Sep 13, 1977·14 cites·4 claims
0234US4152179AProcess for producing phosphorous-bearing soft magnetic materialALLEGHENY LUDLUM IND INC·Filed 1977·Granted May 1, 1979·5 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →