Average Co-Inventor Count = 1.00
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. Other (1 from 833,002 patents)
2. Zephyr International, Inc. (1 from 2 patents)
2 patents:
1. 8556571 - Vertical axis dual vortex downwind inward flow impulse wind turbine
2. 8262338 - Vertical axis dual vortex downwind inward flow impulse wind turbine