Average Co-Inventor Count = 4.80
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. Evonik Degussa Gmbh (2 from 1,242 patents)
2. Salzgitter Mannesmann Line Pipe Gmbh (1 from 7 patents)
2 patents:
1. 9982410 - Polyamide-sheathed structural steel tubes for offshore structures
2. 9551441 - Multilayer pipe with polyamide layer