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. Other (1 from 832,718 patents)
2. Union Carbide Canada Limited (1 from 25 patents)
2 patents:
1. 5121637 - Gas cylinder gauge
2. 5052586 - Gas cylinder gauge