Average Co-Inventor Count = 3.00
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. Headwaters R+d Inc (1 from 15 patents)
2. Headwaters, Inc. (1 from 13 patents)
2 patents:
1. 7387729 - Filter cartridge for a standalone point of use water purification device
2. 7244290 - Electrostatic room air cleaner