Average Co-Inventor Count = 5.36
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. Luxfer Gas Cylinders Limited (5 from 7 patents)
5 patents:
1. D660434 - Gas cylinder
2. D659834 - Gas cylinder
3. D643122 - Gas cylinder for medical purposes
4. D643123 - Gas cylinder for medical purposes
5. D643124 - Gas cylinder for medical purposes