Average Co-Inventor Count = 4.50
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. Bergwerksverband Gmbh (3 from 231 patents)
2. Metallgesellschaft Aktiengesellschaft (1 from 642 patents)
3 patents:
1. 4833877 - Process for the reduction of pollutant emissions from power stations
2. 4764355 - Process for removal of solid and gaseous noxious matter from hot gases
3. 3962043 - Process for producing fine-grained coke by degasification of coal