Average Co-Inventor Count = 1.00
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. Kiefel Extrusion Gmbh (1 from 6 patents)
2. Hessenbruch, Rolf (0 patent)
1 patent:
1. 7347680 - Device for producing lay-flat tubes in blown film extrusion installation