Average Co-Inventor Count = 1.00
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. Georg Fischer Rohrverbindungstechnik Gmbh (2 from 8 patents)
2. Georg Fischer Rohrleitungssysteme Ag (1 from 75 patents)
3 patents:
1. 6578645 - Throttle valve
2. 6129488 - Pipe-cutting and chamfering arrangement
3. 5349751 - Pipe cutoff apparatus