Average Co-Inventor Count = 3.33
ph-index = 3
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. Mahle International Gmbh (4 from 1,473 patents)
4 patents:
1. 12055079 - Suction device
2. 9555351 - Filter device
3. 8821734 - Method for purifying oil and apparatus therefor
4. 7887701 - Fluid filter