Inventor · disambiguated record
Alistair Bertram Clark
Also filed as: CLARK ALISTAIR BERTRAM
7 granted patents·1 pending application·243 citations·filing 1997–2006
87Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0176US6435275B1Casing centralizerDOWNHOLE PRODUCTS PLC·Filed 1999·Granted Aug 20, 2002·73 cites·18 claims
- 0273US6830102B2CentraliserDOWNHOLE PRODUCTS PLC·Filed 2001·Granted Dec 14, 2004·44 cites·17 claims
- 0370US7694733B2CentralizerDOWNHOLE PRODUCTS PLC·Filed 2006·Granted Apr 13, 2010·12 cites·18 claims
- 0468US7096939B2Slotted expandable centraliserDOWNHOLE PRODUCTS PLC·Filed 2003·Granted Aug 29, 2006·33 cites·20 claims
- 0563US5797455ACasing centraliserDOWNHOLE PRODUCTS UK LTD·Filed 1997·Granted Aug 25, 1998·48 cites·8 claims
- 0651US6006830ACasing centraliserDOWNHOLE PRODUCTS UK LTD·Filed 1998·Granted Dec 28, 1999·33 cites·9 claims
- 0734US7743829B2Cement flow control toolDOWNHOLE PRODUCTS PLC·Filed 2003·Granted Jun 29, 2010·0 cites·32 claims
- 0832US2003159834A1CentralizerFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →