Average Co-Inventor Count = 1.00
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. Arcelormittal Tubular Products Canada Inc. (3 from 7 patents)
3 patents:
1. 9919572 - Twist-axle with longitudinally-varying wall thickness
2. 9150073 - Twist-axle with longitudinally-varying wall thickness
3. 8490990 - Twist-axle with longitudinally-varying wall thickness