Average Co-Inventor Count = 3.82
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. Flettner Ventilator Limited (3 from 4 patents)
3 patents:
1. 6966830 - Device for ventilation and/or air circulation
2. D471971 - Ventilation cover
3. D471624 - Ventilation rotor