Inventor · disambiguated record
Joann Mcmahon
Also filed as: MCMAHON JOANN
6 granted patents·81 citations·filing 2001–2008
83Inventor score
Files withBAKER HUGHES INC6
Top patents by PatentIndex Score
6 records- 0188US6855672B2Copolymers useful for gelling acidsBAKER HUGHES INC·Filed 2001·Granted Feb 15, 2005·52 cites·14 claims
- 0287US7601675B2Polyamine salts as clay stabilizing agentsBAKER HUGHES INC·Filed 2007·Granted Oct 13, 2009·11 cites·11 claims
- 0382US7328745B2High molecular weight polyamine salts as clay stabilizing agentsBAKER HUGHES INC·Filed 2006·Granted Feb 12, 2008·7 cites·7 claims
- 0481US7284610B2Polyamine salts as clay stabilizing agentsBAKER HUGHES INC·Filed 2004·Granted Oct 23, 2007·8 cites·13 claims
- 0566US7838468B2High molecular weight polyamine salts as clay stabilizing agentsBAKER HUGHES INC·Filed 2008·Granted Nov 23, 2010·0 cites·10 claims
- 0663US7314951B2Process and composition for lower toxicity quaternary ammonium compoundsBAKER HUGHES INC·Filed 2004·Granted Jan 1, 2008·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →