Average Co-Inventor Count = 4.80
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. Austrian Energy & Environment Sgp/waagner Biro Gmbh (1 from 7 patents)
2. Austrian Energy & Environment Sgp/wagner-biro Gmbh (1 from 1 patent)
2 patents:
1. 5705073 - Method for the disposal of excess sludge
2. 5643548 - Drying and separating process and plant