Average Co-Inventor Count = 3.00
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. L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des (1 from 715 patents)
2. L'air Liquide (1 from 61 patents)
2 patents:
1. 4885455 - Process for terminating closed through-hole plasma arc welding
2. 4855566 - Process for striking an arc in electric welding and welding torch