Average Co-Inventor Count = 7.49
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. (4 from 159 patents)
4 patents:
1. 12044234 - Cover, fluid end and plunger pump
2. 12000386 - Plunger, hydraulic end and plunger pump
3. 11964350 - Puller, claw, and usage method of puller
4. 11867171 - Fluid splitter in a fluid end or plunger pump