Average Co-Inventor Count = 1.00
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. A. Kayser Automotive Systems Gmbh (2 from 29 patents)
2 patents:
1. 6270321 - Suction jet pump
2. 5860449 - Back-flow check valve