Average Co-Inventor Count = 3.43
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. Papst-motoren Gmbh & Co Kg (1 from 152 patents)
2. Papst Motoren Gmbh (1 from 3 patents)
2 patents:
1. 5591008 - Fan impellers
2. 4886415 - Fan with an essentially square housing