Inventor · disambiguated record
Dennis E. Kroll
Also filed as: KROLL DENNIS E
8 granted patents·2 pending applications·426 citations·filing 1998–2011
89Inventor score
Top patents by PatentIndex Score
10 records- 0196US6167963B1Removable non-metallic bridge plug or packerBAKER HUGHES INC·Filed 1998·Granted Jan 2, 2001·285 cites·27 claims
- 0293US8016295B2Helical backup elementBAKER HUGHES INC·Filed 2008·Granted Sep 13, 2011·63 cites·12 claims
- 0391US8393388B2Retractable petal collet backup for a subterranean sealBISHOP DAVID S·Filed 2010·Granted Mar 12, 2013·18 cites·16 claims
- 0488US8322413B2Twin latch wireline retrieval toolBISHOP DAVID S·Filed 2010·Granted Dec 4, 2012·13 cites·20 claims
- 0588US8307891B2Retractable downhole backup assembly for circumferential seal supportBISHOP DAVID S·Filed 2010·Granted Nov 13, 2012·12 cites·22 claims
- 0680US8919452B2Casing spears and related systems and methodsPALMER LARRY T·Filed 2011·Granted Dec 30, 2014·6 cites·30 claims
- 0769US7806177B2Retractable downhole backup assembly for circumferential seal supportBAKER HUGHES INC·Filed 2009·Granted Oct 5, 2010·11 cites·20 claims
- 0854US6651738B1Downhole isolation device with retained valve memberBAKER HUGHES INCOPORATED·Filed 2002·Granted Nov 25, 2003·18 cites·24 claims
- 0936US2008156501A1Non-backed-up packing element systemVINSON JUSTIN P·Filed 2006·Application pending·0 cites
- 1034US2011277585A1Stroke-controlling device and methodKROLL DENNIS E·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →