Average Co-Inventor Count = 7.35
ph-index = 6
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. (10 from 159 patents)
2. American Jereh International Corporation (3 from 11 patents)
13 patents:
1. 12287046 - Valve seat, plug valve, and fracturing manifold
2. 12085073 - Valve spring fixing device and plunger pump
3. 12044234 - Cover, fluid end and plunger pump
4. 12000386 - Plunger, hydraulic end and plunger pump
5. 11964350 - Puller, claw, and usage method of puller
6. 11867171 - Fluid splitter in a fluid end or plunger pump
7. 11828277 - Turbine-driven fracturing system on semi-trailer
8. 11519395 - Turbine-driven fracturing system on semi-trailer
9. 11519405 - Valve spring seat sleeve, valve assembly and plunger pump
10. 11401927 - Status monitoring and failure diagnosis system for plunger pump
11. 11047379 - Status monitoring and failure diagnosis system for plunger pump
12. 10870093 - Multifunctional blending equipment
13. 10859203 - High-low pressure lubrication system for high-horsepower plunger pump