Average Co-Inventor Count = 5.00
ph-index = 4
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. Venmar Ventilation Inc. (4 from 30 patents)
4 patents:
1. D638925 - Louvered ventilation grille
2. 7635296 - Air handling systems or devices intermingling fresh and stale air
3. 7565924 - Pressure equilizing system
4. 6855050 - Ventilation method and device