Average Co-Inventor Count = 3.16
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. Volkswagen Ag (4 from 3,226 patents)
4 patents:
1. 5255635 - Evaporative cooling system for an internal combustion engine having a
2. 5092282 - Evaporation cooling system for an internal combustion engine
3. 5090371 - Evaporative cooling system
4. 4932365 - System for evaporation cooling of an internal combustion engine and for