Average Co-Inventor Count = 4.00
ph-index = 3
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. United States Steel Corporation (2 from 534 patents)
2. Lone Star Steel Company, L.p. (1 from 11 patents)
3 patents:
1. 7621323 - Solid expandable tubular members formed from very low carbon steel and method
2. 7404438 - Solid expandable tubular members formed from very low carbon steel and method
3. 7169239 - Solid expandable tubular members formed from very low carbon steel and method