Average Co-Inventor Count = 4.00
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. Voest-alpine Bergtechnik Gesellschaft M.b.h. (1 from 16 patents)
2. Zinco Gmbh (0 patent)
1 patent:
1. 7316456 - Roadheading or mining machine with roof bolt drilling and setting devices