Average Co-Inventor Count = 2.40
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. Sunds Defibrator Pori Oy (2 from 3 patents)
2 patents:
1. 5460019 - Washer
2. 5421176 - Drum washer