Average Co-Inventor Count = 2.77
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. Other (1 from 832,718 patents)
2. Paul Wurth S.a. (1 from 309 patents)
3. S.a. Des Anciens Etablissements Paul Wurth (1 from 25 patents)
3 patents:
1. 4277273 - Treatment and handling of metallurgical slag
2. 4245982 - Cooling box for shaft furnaces
3. 4162784 - Pressure equalization apparatus and method