Inventor · disambiguated record
Ruud Spijker
Also filed as: SPIJKER RUUD
2 granted patents·14 citations·filing 1983–1986
56Inventor score
Top patents by PatentIndex Score
2 records- 0154US4465657AProcess for the preparation of pure silicon dioxide and silicon dioxide obtained by applying this processUNIE VAN KUNSTMESTFAB BV·Filed 1983·Granted Aug 14, 1984·11 cites·10 claims
- 0229US4780302AProcess for the preparation of alkali metal fluotitanatesSTAMICARBON·Filed 1986·Granted Oct 25, 1988·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →