AH

Arthur H. Hartog

Schlumberger Technology: 55 patents #31 of 7,293Top 1%
TG The York Group: 3 patents #6 of 17Top 40%
BL Bp Exploration Operating Company Limited: 2 patents #29 of 168Top 20%
SL Sensor Highway Limited: 2 patents #8 of 21Top 40%
ND National Research Development: 1 patents #307 of 1,071Top 30%
OL Onesubsea Ip Uk Limited: 1 patents #111 of 268Top 45%
Overall (All Time): #34,784 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
7412117 Apparatus and methods for distributed temperature sensing Yuehua Chen 2008-08-12
7304725 Optical time domain reflectometry Peter Wait 2007-12-04
7292345 Fibre-optic interferometric remote sensor Maxwell Richard Hadley, Yuehua Chen 2007-11-06
7284903 Distributed optical fibre measurements 2007-10-23
7254289 System and method to minimize modulation instability Peter Wait 2007-08-07
7251038 Light source stabilisation James McInnes, Maxwell Richard Hadley, Yuehua Chen, Timothy Jeffreys 2007-07-31
7240730 Use of fiber optics in deviated flows Glynn Williams, Kevin John Forbes, Christian Koeniger, George A. Brown 2007-07-10
6997256 Use of fiber optics in deviated flows Glynn Williams, Kevin John Forbes, Christian Koeniger, George A. Brown 2006-02-14
6542228 Optical time domain reflectometry method and apparatus 2003-04-01
5821861 Monitoring wall temperatures of reactor vessels Dillwyn P. David, Jakob J. Hamman, Marc J. Middendorp 1998-10-13
5592282 Suppression of stimulated scattering in optical time domain reflectometry 1997-01-07
5146521 Optical fibre communication network 1992-09-08
4823166 Optical time-domain reflectometry Martin Gold, Adrian P. Leach 1989-04-18
4714829 Fibre optic sensing device and method David Neil Payne 1987-12-22