Inventor · disambiguated record
Gerrit Verspui
Also filed as: KNIPPENBERG WILHELMUS F · VERSPUI GERRIT
12 granted patents·142 citations·filing 1972–1992
91Inventor score
Files withPHILIPS CORP12
Top patents by PatentIndex Score
12 records- 0186US4013503AFilamentary silicon carbide crystals by VLS growth in molten ironPHILIPS CORP·Filed 1975·Granted Mar 22, 1977·30 cites·5 claims
- 0269US5046849ADevice having an exchangeable substrate sleeve for measuring layer thicknessPHILIPS CORP·Filed 1990·Granted Sep 10, 1991·29 cites·5 claims
- 0368US5217817ASteel tool provided with a boron layerPHILIPS CORP·Filed 1992·Granted Jun 8, 1993·32 cites·1 claims
- 0456US4086559AElectric resistor based on silicon carbide having a negative temperature coefficientPHILIPS CORP·Filed 1975·Granted Apr 25, 1978·8 cites·8 claims
- 0556US3962406AMethod of manufacturing silicon carbide crystalsPHILIPS CORP·Filed 1972·Granted Jun 8, 1976·9 cites·8 claims
- 0653US5213599AMethod of manufacturing tube glassPHILIPS CORP·Filed 1992·Granted May 25, 1993·13 cites·5 claims
- 0749US4208449AMethod of making an electric resistor having a resistance body consisting of silicon carbide having a negative temperature coefficientPHILIPS CORP·Filed 1978·Granted Jun 17, 1980·6 cites·8 claims
- 0834US4136006AElectrode for electrochemical machiningPHILIPS CORP·Filed 1977·Granted Jan 23, 1979·3 cites·8 claims
- 0933US3972797AElectrode for electrochemical machiningPHILIPS CORP·Filed 1974·Granted Aug 3, 1976·6 cites·4 claims
- 1029US5164230AMethod of applying a boron layer to a steel substrate by a cvd processPHILIPS CORP·Filed 1990·Granted Nov 17, 1992·4 cites·13 claims
- 1127US4176336ALacquer-encapsulated carbon film resistorPHILIPS CORP·Filed 1978·Granted Nov 27, 1979·2 cites·2 claims
- 1223US4128842AElectrostatic printing device with monocrystalline stylusPHILIPS CORP·Filed 1976·Granted Dec 5, 1978·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →