Average Co-Inventor Count = 3.64
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. Mann+hummel Gmbh (2 from 1,012 patents)
2. Filterwerk Mann + Hummel Gmbh (1 from 303 patents)
3 patents:
1. 7258727 - Apparatus for separating particles from a flowing medium
2. 7004986 - Filter in a filter housing
3. 6884273 - Multicell cyclone and method for producing it