Average Co-Inventor Count = 2.00
ph-index = 3
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. Canrig Drilling Technology Ltd. (3 from 73 patents)
3 patents:
1. 8454296 - Pipe-handling apparatus and methods
2. 8033779 - Pipe handling apparatus and methods
3. 8016536 - Pipe-handling apparatus and methods