Average Co-Inventor Count = 4.86
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. Abb Schweiz Ag (2 from 2,634 patents)
2. Abb Oy (1 from 362 patents)
3 patents:
1. D858419 - Propulsion unit
2. D847077 - Propulsion units for ships and boats
3. D791678 - Propulsion unit for ships and boats