Average Co-Inventor Count = 2.76
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. Harper International Corporation (4 from 13 patents)
2. Sgl Carbon Ag (1 from 65 patents)
4 patents:
1. 9618228 - Airflow distribution system
2. 9255733 - Oven for fiber heat treatment
3. 8485815 - Overhung rotary tube furnace
4. 6910882 - Vertical conveyor apparatus for high temperature continuous processing of materials