Inventor · disambiguated record
Michael J. B. Sewell
Also filed as: SEWELL MICHAEL · SEWELL MICHAEL J B
4 granted patents·67 citations·filing 1985–2010
76Inventor score
Top patents by PatentIndex Score
4 records- 0190US8347955B1Plunger lift mechanism4S OILFIELD TECHNOLOGIES LLC·Filed 2010·Granted Jan 8, 2013·38 cites·20 claims
- 0247US4858351AWall securement systemSEWELL CHARLES P B·Filed 1986·Granted Aug 22, 1989·20 cites·9 claims
- 0327US5015118AMounting meansSEWELL MICHAEL J B·Filed 1989·Granted May 14, 1991·6 cites·23 claims
- 0424US4739836AArrangement for use in surface treatmentSEWELL MICHAEL J B·Filed 1985·Granted Apr 26, 1988·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →