Average Co-Inventor Count = 4.80
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. Kellogg Brown + Root LLC (1 from 239 patents)
2. The M.w. Kellogg Company (1 from 81 patents)
2 patents:
1. 6332975 - Anode grade coke production
2. 5500094 - Coke drum deheading device