Average Co-Inventor Count = 1.50
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. Sandvik Aktiebolag (1 from 211 patents)
2. Santrade, Ltd (1 from 162 patents)
2 patents:
1. 4784517 - Method and device for working of road surfaces
2. 4488759 - Device for supplying fluid to a tool for breaking hard material