Average Co-Inventor Count = 3.43
ph-index = 1
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. Sms Demag Ag (2 from 227 patents)
2 patents:
1. 6544470 - Feeding device for electrical shaft furnaces with an electrode-receiving central tube
2. 6335945 - Electric ARC low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid