PM

Paul McElfresh

BH Baker Hughes Holdings: 10 patents #303 of 3,522Top 9%
AN Akzo Nobel N.V.: 1 patents #670 of 1,625Top 45%
HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Arlington, TX: #107 of 1,708 inventorsTop 7%
🗺 Texas: #12,559 of 125,132 inventorsTop 15%
Overall (All Time): #422,083 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8342240 Method for providing a temporary barrier in a flow pathway Bennett M. Richard, Chad Williams 2013-01-01
8048348 Shape memory polyurethane foam for downhole sand control filtration devices Ping Duan 2011-11-01
7926565 Shape memory polyurethane foam for downhole sand control filtration devices Ping Duan 2011-04-19
7879767 Additives for hydrate inhibition in fluids gelled with viscoelastic surfactants Perry D. Baycroft, Allen D. Gabrysch, James B. Crews 2011-02-01
7762342 Apparatus for providing a temporary degradable barrier in a flow pathway Bennett M. Richard, Chad Williams 2010-07-27
7708073 Heat generator for screen deployment Bennett M. Richard 2010-05-04
7597148 Formation and control of gas hydrates Edward J. O'Malley, Bennett M. Richard, Aftab Khokhar, Daniel Lee Crosby, Vu Thieu +2 more 2009-10-06
7461699 Method for providing a temporary barrier in a flow pathway Bennett M. Richard, Chad Williams 2008-12-09
7216709 Hydraulic fracturing using non-ionic surfactant gelling agent Chad Williams 2007-05-15
6994166 Composition and method for diversion agents for acid stimulation of subterranean formations Tianping Huang 2006-02-07
6805198 Organic acid system for high temperature acidizing Tianping Huang, Allen D. Gabrysch 2004-10-19
4602685 Non-retarding fluid loss additives for well cementing compositions Lee F. McKenzie, Dyke W. Reese 1986-07-29