Inventor · disambiguated record
Gerrit J. Groothuis
Also filed as: DE VRIES TJAMME · GROOTHUIS GERRIT J · GROOTHUIS GERRIT JAN
6 granted patents·87 citations·filing 1975–1982
84Inventor score
Technology areasB26B
Files withPHILIPS CORP6
Top patents by PatentIndex Score
6 records- 0156US4510687AShaving apparatusPHILIPS CORP·Filed 1982·Granted Apr 16, 1985·23 cites·2 claims
- 0256US4275497AShaving apparatusPHILIPS CORP·Filed 1979·Granted Jun 30, 1981·18 cites·5 claims
- 0350US4170822ADry shaving apparatusPHILIPS CORP·Filed 1977·Granted Oct 16, 1979·16 cites·3 claims
- 0447US4259781AShaving apparatusPHILIPS CORP·Filed 1979·Granted Apr 7, 1981·13 cites·7 claims
- 0538US4003131ADry-shaving apparatus with reciprocatable cutting blockPHILIPS CORP·Filed 1975·Granted Jan 18, 1977·9 cites·3 claims
- 0637US4424628AShaving apparatusPHILIPS CORP·Filed 1982·Granted Jan 10, 1984·8 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →