Average Co-Inventor Count = 5.25
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. Other (2 from 832,812 patents)
2 patents:
1. 4107449 - Water-cooled roof of electric-arc furnace
2. 3950601 - Electric furnace