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. Aker Kvaerner Mh As (2 from 6 patents)
2 patents:
1. 7437974 - Rotation unit for torque tong comprising a gripping cylinder
2. 7387050 - Rotation unit for torque tong comprising a rotational part with teeth