Average Co-Inventor Count = 3.91
ph-index = 1
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. Pfeiffer Vacuum Gmbh (2 from 95 patents)
2. Pfeiffer Vacuum Technology Ag (1 from 2 patents)
3 patents:
1. 12221961 - Vacuum pump with movable trapezoidal seal
2. 11773849 - Vacuum pump, scroll pump, and manufacturing method for such
3. 11542935 - Gas recirculation device and system having such a device