Average Co-Inventor Count = 2.24
ph-index = 6
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. Filterwerk Mann + Hummel Gmbh (4 from 303 patents)
2. Mann+hummel Gmbh (3 from 1,011 patents)
3. Volkswagen Ag (3,209 patents)
7 patents:
1. D947733 - Brake dust filter
2. 7014766 - Self-venting filter element for a fuel filter arrangement
3. 6997208 - Valve suitable for use in an oil circuit of an internal combustion engine
4. 6966981 - Replaceable filter cartridge with support element and liquid filter with such a filter cartridge
5. 5271429 - Internal combustion engine lubricating oil filter valve
6. 5193579 - Internal combustion engine lubricating oil filter valve
7. 5098559 - Liquid filter for the lubricating oil of an internal combustion engine