Average Co-Inventor Count = 2.00
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. Pennsylvania Engineering Corporation (2 from 59 patents)
2 patents:
1. 4123043 - Gas cleaning system for metallurgical apparatus
2. 4081269 - Gas cleaning system for metallurgical apparatus