Average Co-Inventor Count = 1.50
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. Aktiebolaget Electrolux (2 from 668 patents)
2 patents:
1. 5553349 - Vacuum cleaner nozzle
2. 4941689 - Coupling device for vacuum cleaner