EJ

Espen S. Johansen

WE Weatherford/Lamb: 17 patents #35 of 852Top 5%
📍 Houston, TX: #1,213 of 21,073 inventorsTop 6%
🗺 Texas: #8,373 of 125,132 inventorsTop 7%
Overall (All Time): #277,851 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8569702 Optical multiphase flowmeter 2013-10-29
8461519 Water detection and 3-phase fraction measurement systems John Lievois, Babajide Adejuyigbe 2013-06-11
8280650 Flowmeter array processing algorithm with wide dynamic range Leslie Wayne Perry 2012-10-02
8274041 Water detection and 3-phase fraction measurement systems John Lievois, Babajide Adejuyigbe 2012-09-25
8039793 Water detection and 3-phase fraction measurement systems John Lievois, Babajide Adejuyigbe 2011-10-18
7938023 Wet-gas flowmeter Omer Haldun Unalmis, John Lievois 2011-05-10
7926360 Sonar circumferential flow conditioner Omer Haldun Unalmis, Leslie Wayne Perry, Alejandro Vera, Daniel Rodriguez, Vijay Ramakrishnan 2011-04-19
7880133 Optical multiphase flowmeter 2011-02-01
7881884 Flowmeter array processing algorithm with wide dynamic range Leslie Wayne Perry 2011-02-01
7834312 Water detection and 3-phase fraction measurement systems John Lievois, Babajide Adejuyigbe 2010-11-16
7654155 Wet-gas flowmeter Omer Haldun Unalmis, John Lievois 2010-02-02
7607361 Sonar circumferential flow conditioner Omer Haldun Unalmis, Leslie Wayne Perry, Alejandro Vera, Daniel Rodriguez, Vijay Ramakrishnan 2009-10-27
7503217 Sonar sand detection 2009-03-17
7401530 Sonar based multiphase flowmeter 2008-07-22
7281415 Non-intrusive multiphase flow meter 2007-10-16
7028543 System and method for monitoring performance of downhole equipment using fiber optic based sensors Bob A. Hardage, John L. Maida 2006-04-18
6945095 Non-intrusive multiphase flow meter 2005-09-20