Average Co-Inventor Count = 3.27
ph-index = 3
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. Andreas Stihl Ag Co. Kg (3 from 764 patents)
2. The Viking Corporation (130 patents)
3 patents:
1. 9221111 - Hand-guided power tool
2. 8746191 - Two-stroke engine having an intake arrangement
3. 8469167 - Centrifugal clutch