Average Co-Inventor Count = 5.68
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 (2 from 1,011 patents)
2. Mann+hummel Life Sciences & Environment Holding Singapore Pte. Ltd. (2 from 5 patents)
4 patents:
1. D1042773 - Air purifier
2. 11958009 - Filter device, air conducting hose with filter element, tunnel, and use of the filter device
3. 11701610 - Ambient air purifying device and use of a filter element in an ambient air purifying device
4. 11634011 - Road vehicle having an ambient air purification device, ambient air purification device and filter element