Inventor · disambiguated record
Hans Grufman
Also filed as: GRUFMAN HANS
3 granted patents·101 citations·filing 1995–2008
73Inventor score
Top patents by PatentIndex Score
3 records- 0178US5666894AEmbroidery unit for sewing machineELECTROLUX AB·Filed 1995·Granted Sep 16, 1997·17 cites·3 claims
- 0277US6014593AMemory reading module having a transparent front with a keypadVIKING SEWING MACHINES AB·Filed 1997·Granted Jan 11, 2000·80 cites·11 claims
- 0368US8161895B2Machine-assisted free-hand embroidery methodGRUFMAN HANS·Filed 2008·Granted Apr 24, 2012·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →