Average Co-Inventor Count = 2.00
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. Steag Aktiengesellschaft (2 from 47 patents)
2 patents:
1. 4425757 - Installation for recovering energy from solid fossil fuels, more
2. 4255926 - Installation for recovering energy from solid fossil fuels, more