Average Co-Inventor Count = 2.86
ph-index = 2
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. (5 from 38 patents)
5 patents:
1. 12110793 - Automated system for face drill machines
2. 11002075 - Mine drilling system and related method
3. 9534457 - Drilling apparatus with drill guide
4. 9316070 - Pump for use with mine drill and related methods
5. 8342264 - Device for reducing drilling noise and related methods