Average Co-Inventor Count = 1.50
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. Perlmooser Zementwerke Aktiengesellschaft (2 from 3 patents)
2. Voest-alpine Aktiengesellschaft (1 from 333 patents)
3 patents:
1. 4913742 - Process of making cement clinker and apparatus for performing said
2. 4179263 - Process for the utilization of waste substances and device for carrying
3. 4102700 - Process for the production of a mixture to be utilized in the production