Average Co-Inventor Count = 4.61
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Schlumberger Technology Corporation (2 from 10,180 patents)
2. Prad Research and Development Nv (2 patents)
3. Services Petroliers Schlumberger (0 patent)
4. Schlumberger Holdings Limited (0 patent)
2 patents:
1. 8695415 - Contact-less sensor cartridge
2. 7406883 - Compact device for measuring the speed and the direction of rotation of an object