Average Co-Inventor Count = 3.16
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 (5 from 95 patents)
2. Pfeiffer Vacuum Technology Ag (1 from 2 patents)
3. Pleiffer Vacuum Gmbh (1 from 1 patent)
7 patents:
1. 12221961 - Vacuum pump with movable trapezoidal seal
2. 11773849 - Vacuum pump, scroll pump, and manufacturing method for such
3. 11078916 - Vacuum pump
4. 9909592 - Vacuum pump
5. 9869319 - Vacuum pump
6. 9784284 - Stator element for a holweck pump stage, vacuum pump having a holweck pump stage and method of manufacturing a stator element for a holweck pump stage
7. 9422937 - Vacuum pump