Average Co-Inventor Count = 2.18
ph-index = 3
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. Southern Methodist University (2 from 117 patents)
2. Other (1 from 832,880 patents)
3. Weatherford Technology Holdings, LLC (1 from 897 patents)
4. Multiphase Flow International (3 patents)
4 patents:
1. 9612145 - Revolving ultrasound field multiphase flowmeter
2. 9476755 - Calibration tube for multiphase flowmeters
3. 9347309 - Cement plug location
4. 8701461 - Calibration tube for multiphase flowmeters