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. Paques B.v. (2 from 22 patents)
2. Paques I.p.b.v. (15 patents)
2 patents:
1. 6063273 - Apparatus for the biological purification of waste water
2. 5972219 - Process for aerobic treatment of waste water