Average Co-Inventor Count = 2.22
ph-index = 5
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. Other (2 from 832,718 patents)
2. Magnafrac (2 from 2 patents)
3. Ghz Equipment Company (1 from 1 patent)
5 patents:
1. 5594937 - System for the transmission and reception of directional radio signals
2. 4282940 - Apparatus for perforating oil and gas wells
3. 4199034 - Method and apparatus for perforating oil and gas wells
4. 4066138 - Earth boring apparatus employing high powered laser
5. 3998281 - Earth boring method employing high powered laser and alternate fluid