Average Co-Inventor Count = 4.00
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. The Boler Company (2 from 74 patents)
2. Hendrickson International Corporation (0 patent)
2 patents:
1. 6516993 - Control rod
2. 6308591 - Control rod