Average Co-Inventor Count = 3.60
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. Hoesch Stahl Aktiengesellschaft (2 from 11 patents)
2. Hoesch Aktiengesellschaft (1 from 49 patents)
3 patents:
1. 5021627 - Electrode for resistance welding surface-treated sheets of steel and
2. 4710244 - Dredger teeth
3. 4687525 - Worked low-temperature tough ferritic steel