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 Aktiebolag (2 from 27 patents)
2 patents:
1. 4954221 - Apparatus for feeding lignocellulose-containing material through a steam
2. 4600475 - Refining apparatus with radial passageways for steam recovery