Average Co-Inventor Count = 8.00
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. Vermeer Manufacturing Company, Inc. (2 from 470 patents)
2 patents:
1. 10294776 - Horizontal directional drilling system including sonde position detection using global positioning systems
2. 9611732 - Horizontal directional drilling system including sonde position detection using global positioning systems