Average Co-Inventor Count = 4.29
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. Particle Drilling Technologies, Inc. (2 from 5 patents)
2. Particle Drilling, Inc. (1 from 1 patent)
3. Pdti Holdings, LLC (13 patents)
3 patents:
1. 7398839 - Impact excavation system and method with particle trap
2. 7398838 - Impact excavation system and method with two-stage inductor
3. 7258176 - Drill bit