Average Co-Inventor Count = 2.00
ph-index = 2
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. Cameron International Corporation (3 from 984 patents)
3 patents:
1. 9903482 - Ball valve stem retaining system
2. 9103449 - Ball valve stem retaining system
3. 8308131 - Ball valve stem retaining system