Average Co-Inventor Count = 2.67
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. Wirtgen Gmbh (2 from 498 patents)
2 patents:
1. 8496400 - Slipform paver
2. 6872028 - Slip form paver