Average Co-Inventor Count = 3.69
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. Liebherr-hydraulikbagger Gmbh (4 from 54 patents)
4 patents:
1. 8578638 - Work machine, in particular excavator
2. 8177017 - Traveling working machine
3. 7703812 - Quick coupling
4. 7434391 - Excavator and a machine for material transfer