Average Co-Inventor Count = 1.20
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 (2 from 832,912 patents)
2. Sturtevant, Inc. (1 from 4 patents)
3 patents:
1. 6872301 - High shear rotating disc filter
2. 6663290 - Grooved bearing ball and rolling element
3. 6435431 - Pulverizing system purging