Average Co-Inventor Count = 1.33
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 (1 from 832,718 patents)
2. Pennsylvania Engineering Corporation (1 from 59 patents)
2 patents:
1. 3951390 - Thrust bearing device for metal treating vessel
2. 3941325 - Article support