Average Co-Inventor Count = 1.80
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 (3 from 95 patents)
3 patents:
1. 9995309 - Vacuum system
2. 9453514 - Vacuum pump having fastening element for securing rotor part to rotor shaft and deformed safety element projecting in axial direction for preventing relative rotation between the rotor part and rotor shaft
3. 7500821 - Vacuum pump