Average Co-Inventor Count = 1.29
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. Oy Partek Ab (2 from 51 patents)
2. Leif Ernryd Ab (1 from 1 patent)
3 patents:
1. 4591437 - Apparatus for separating solid particles from a liquid
2. 4381347 - Fibre glass composition
3. 4312952 - Fibre glass composition