Average Co-Inventor Count = 4.00
ph-index = 2
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. Abb Technology Ag (2 from 862 patents)
2 patents:
1. 7647692 - Method of manufacturing a transformer coil having cooling ducts
2. 7023312 - Integrated cooling duct for resin-encapsulated distribution transformer coils