Average Co-Inventor Count = 2.00
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. Kvaerner Pulping Ab (3 from 109 patents)
2. Gotaverken Energy Aktiebolag (1 from 3 patents)
4 patents:
1. 6258282 - Rotatable filter system for filtration of a flowing substance
2. 6113783 - Device in a filter sector for a rotating filter disc
3. 5935053 - Fractionator
4. 5509998 - Method and apparatus for clarifying green liquor