Average Co-Inventor Count = 4.29
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. J. H. Fletcher & Co., Inc. (3 from 38 patents)
3 patents:
1. 11391153 - Autonomous roof bolter and related methods
2. 11103887 - Multipurpose machine for surface treatment and related method
3. 9970292 - Drilling apparatus