Average Co-Inventor Count = 3.00
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. Wirthwein Ag (1 from 3 patents)
2. Udo Wirthwein (1 from 1 patent)
2 patents:
1. 7234647 - Damping device for rails
2. 6288331 - Cable duct and cover