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. Owen Oil Tools, Inc. (1 from 59 patents)
2. Weatherford US Holding, L.p. a Louisiana Limited Partnership (1 from 1 patent)
1 patent:
1. 6014933 - Downhole charge carrier