Assignee
ALLISON DAVID B
US·4 granted patents·1 pending application·30 citations·filing 2005–2010
Top patents by PatentIndex Score
5 records- 0186US8127859B2Use of swellable material in an annular seal element to prevent leakage in a subterranean wellALLISON DAVID B·Filed 2010·Granted Mar 6, 2012·13 cites·5 claims
- 0284US9708523B2Swellable spacer fluids and associated methodsALLISON DAVID B·Filed 2009·Granted Jul 18, 2017·11 cites·5 claims
- 0369US9273533B2Well tool including swellable material and integrated fluid for initiating swellingALLISON DAVID B·Filed 2010·Granted Mar 1, 2016·3 cites·4 claims
- 0466US9464500B2Rapid swelling and un-swelling materials in well toolsALLISON DAVID B·Filed 2010·Granted Oct 11, 2016·3 cites·10 claims
- 0547US2006141489A1Method of statistical genomic analysisALLISON DAVID B·Filed 2005·Application pending·0 cites
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