Average Co-Inventor Count = 4.00
ph-index = 4
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. Marathon Petroleum Company LP (4 from 158 patents)
4 patents:
1. 11891581 - Tower bottoms coke catching device
2. 11634647 - Tower bottoms coke catching device
3. 11203719 - Tower bottoms coke catching device
4. 10696906 - Tower bottoms coke catching device