Average Co-Inventor Count = 4.29
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. Broan-nutone LLC (5 from 225 patents)
5 patents:
1. 12173925 - Ventilating system
2. D946137 - Ventilation grille
3. D943730 - Ventilation grille
4. D909560 - Ventilation grille
5. D902372 - Ventilation grille