Inventor · disambiguated record
Fokko Harm Cornelis Doornbosch
Also filed as: DOORNBOSCH FOKKO · DOORNBOSCH FOKKO H C · DOORNBOSCH FOKKO HARM CORNELIS
5 granted patents·1 pending application·204 citations·filing 2002–2023
85Inventor score
Top patents by PatentIndex Score
6 records- 0193US6874579B2Creating an underbalance condition in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Apr 5, 2005·44 cites·6 claims
- 0293US6732798B2Controlling transient underbalance in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 11, 2004·96 cites·28 claims
- 0382US8726996B2Device for the focus and control of dynamic underbalance or dynamic overbalance in a wellboreBUSAIDY ADIL MAHALLAB AL·Filed 2010·Granted May 20, 2014·16 cites·17 claims
- 0478US6966377B2Providing a low pressure condition in a wellbore regionSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Nov 22, 2005·39 cites·15 claims
- 0572US8347963B2Controlling transient underbalance in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Jan 8, 2013·9 cites·7 claims
- 0642US2025163778A1Implosion deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →