Average Co-Inventor Count = 2.00
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. Schutt Manufacturing Company, Inc. (2 from 12 patents)
2. Other (1 from 832,718 patents)
3 patents:
1. 4205676 - Air pumping for medical uses
2. D249397 - Face guard for mounting on an athletic helmet
3. 4086664 - Football face guard