Average Co-Inventor Count = 4.67
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. Mann+hummel Gmbh (3 from 1,011 patents)
3 patents:
1. 11634011 - Road vehicle having an ambient air purification device, ambient air purification device and filter element
2. 11065942 - Environmental air cleaning device, road vehicle having environmental air cleaning device, and filter element
3. 9539895 - Tank venting filter having a constriction in the air inlet area