Inventor · disambiguated record
Ernst M. Frey
Also filed as: FREY ERNST · FREY ERNST M
3 granted patents·1 pending application·18 citations·filing 1978–2008
66Inventor score
Top patents by PatentIndex Score
4 records- 0146US2010055309A1Internal weld seam protection for cansFREY ERNST M·Filed 2008·Application pending·0 cites
- 0244US4320423AApparatus for automatic repeated reproduction of sound on selected portions of magnetic tape or the likeNAEHMA AG·Filed 1978·Granted Mar 16, 1982·9 cites·20 claims
- 0324US6146695AInternal weld protection of sheet metal pipesFiled 1997·Granted Nov 14, 2000·4 cites·15 claims
- 0424US5296078AWeld seam cover on the inside of sheet metal tubesFREY ERNST M·Filed 1992·Granted Mar 22, 1994·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →