Average Co-Inventor Count = 2.67
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. Mannesmann Aktiengesellschaft (1 from 1,150 patents)
2. Fried. Krupp Gesellschaft MIT Beschrankter Haftung (1 from 268 patents)
2 patents:
1. 5406047 - Plasma torch for melting material to be processed in a container and for
2. 4559990 - Continuous casting and rolling device