Average Co-Inventor Count = 2.00
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 Industries, Sa (1 from 71 patents)
1 patent:
1. 6226598 - Method of measuring the propagation time of a sound signal in a fluid by means of a zero-crossing of said sound signal