Inventor · disambiguated record
Hugo Frei
Also filed as: FREI HUGO
3 granted patents·52 citations·filing 1993–1996
71Inventor score
Files withBALZERS HOCHVAKUUM3
Top patents by PatentIndex Score
3 records- 0177US5384018AProcess and apparatus for generating and igniting a low-voltageBALZERS HOCHVAKUUM·Filed 1993·Granted Jan 24, 1995·36 cites·38 claims
- 0244US5651528AVacuum valveBALZERS HOCHVAKUUM·Filed 1995·Granted Jul 29, 1997·13 cites·13 claims
- 0329US5833212AVacuum valveBALZERS HOCHVAKUUM·Filed 1996·Granted Nov 10, 1998·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →