Average Co-Inventor Count = 2.40
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. Klockner-humboldt-deutz Ag (2 from 433 patents)
2 patents:
1. 4288213 - Method and apparatus for the heat treatment of fine-grained material
2. 3942942 - Rotary tubular furnace