Average Co-Inventor Count = 3.00
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. Sulzer Chemtech Ag (3 from 179 patents)
3 patents:
1. 9199206 - Contact tray for a mass transfer column
2. 8944419 - Contact tray for a mass transfer column
3. 8720870 - Contact tray for a mass transfer column