Average Co-Inventor Count = 2.25
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. Patterson Fan Company (5 from 9 patents)
6 patents:
1. D879280 - Venturi fan
2. D753806 - High velocity truck cooler
3. D705408 - High velocity truck cooler
4. D594548 - Fan housing
5. D557398 - Venturi fan
6. D336159 - Toothbrush having a pivoted removable head