Average Co-Inventor Count = 8.21
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 (4 from 1,011 patents)
4 patents:
1. 12038203 - Train station, in particular a tunnel-type train station, and use of a filter unit in a train station
2. 11958009 - Filter device, air conducting hose with filter element, tunnel, and use of the filter device
3. 11634011 - Road vehicle having an ambient air purification device, ambient air purification device and filter element
4. 11065942 - Environmental air cleaning device, road vehicle having environmental air cleaning device, and filter element