Average Co-Inventor Count = 4.00
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. Alfred Teves Gmbh (1 from 488 patents)
2. Itt Automotive Europe Gmbh (1 from 194 patents)
2 patents:
1. 5511464 - Cup-seal non-return valve
2. 4825903 - Pressure control valve