NL

Nigel Leggett

SL Sensor Highway Limited: 4 patents #3 of 21Top 15%
BH Baker Hughes Holdings: 3 patents #995 of 3,522Top 30%
Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
Overall (All Time): #518,929 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8074713 Casing collar locator and method for locating casing collars Rogerio Tadeu Ramos 2011-12-13
7900699 Method and apparatus for logging a well using a fiber optic line and sensors Rogerio Tadeu Ramos 2011-03-08
7140435 Optical fiber conveyance, telemetry, and/or actuation Harmel Defretin, Gordon B. Duncan, Nicolas Pacault, Christian Koeniger 2006-11-28
6977367 Providing a light cell in a wellbore Paulo Tubel, Glynn Williams, Kurt A. Hickey 2005-12-20
6943340 Method and apparatus of providing an optical fiber along a power supply line Paulo Tubel, Glynn Williams, Kurt A. Hickey 2005-09-13
6828547 Wellbores utilizing fiber optic-based sensors and operating devices Paulo Tubel, Glynn Williams, Michael H. Johnson, John W. Harrell, Jeffrey J. Lembcke +1 more 2004-12-07
6787758 Wellbores utilizing fiber optic-based sensors and operating devices Paulo Tubel, Glynn Williams, Michael H. Johnson, John W. Harrell, Jeffrey J. Lembcke +1 more 2004-09-07
6531694 Wellbores utilizing fiber optic-based sensors and operating devices Paulo Tubel, Glynn Williams, Michael H. Johnson, John W. Harrell, Jeffrey J. Lembcke +1 more 2003-03-11
6315049 Multiple line hydraulic system flush valve and method of use Kurt A. Hickey, Mark David Hamilton 2001-11-13
6281489 Monitoring of downhole parameters and tools utilizing fiber optics Paulo Tubel, Glynn Williams, Michael H. Johnson, John W. Harrell, Jeffrey J. Lembcke +1 more 2001-08-28