Average Co-Inventor Count = 4.00
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. J. Ray Mcdermott, S.a. (1 from 47 patents)
1 patent:
1. 5951227 - Deep water lowering apparatus