Average Co-Inventor Count = 2.86
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. Mannesmann Aktiengesellschaft (1 from 1,150 patents)
2. Mannesmann Aktiengesellshcaft (1 from 11 patents)
2 patents:
1. 5425229 - Process for utilizing the energy contained in the blast furnace gas of a
2. 4922505 - Plant for utilization of exhaust gases of an electric steel furnace