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. Hydril USA Manufacturing LLC (2 from 67 patents)
2 patents:
1. 7784536 - Packer insert for sealing on multiple items used in a wellbore
2. 7588075 - Packer insert for sealing on multiple items used in a wellbore