Average Co-Inventor Count = 3.00
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. Korf-stahl Ag. (3 from 12 patents)
3 patents:
1. 4259539 - Melting furnace
2. 4197422 - Cooled cover for an arc furnace
3. 4119792 - Melting furnace