Inventor · disambiguated record
Joel R. Lehman
Also filed as: LEHMAN JOEL R
4 granted patents·41 citations·filing 2007–2012
78Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0186US8236182B2Separating sand from fluids produced by a wellLEHMAN JOEL R·Filed 2011·Granted Aug 7, 2012·12 cites·20 claims
- 0280US8025806B2Separating sand from fluids produced by a wellOCCIDENTAL OIL AND GAS HOLDING CORP·Filed 2010·Granted Sep 27, 2011·9 cites·15 claims
- 0379US8529756B2Separating sand from fluids produced by a wellLEHMAN JOEL R·Filed 2012·Granted Sep 10, 2013·6 cites·5 claims
- 0473US7731037B2Separating sand from fluids produced by a wellOCCIDENTAL OIL AND GAS HOLDING·Filed 2007·Granted Jun 8, 2010·14 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →