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. Little Rapids Corporation (2 from 16 patents)
2 patents:
1. 5718827 - Paper filter for removing metal cations
2. 5554288 - Disposable filters and manufacturing process