Average Co-Inventor Count = 8.24
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. Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. (2 from 161 patents)
2 patents:
1. 12338085 - Sand storage and conveying apparatus
2. 10870093 - Multifunctional blending equipment