Average Co-Inventor Count = 4.00
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. Canrig Drilling Technology Ltd. (2 from 73 patents)
2 patents:
1. 8215887 - Pipe-handling apparatus and methods
2. 7832974 - Pipe-handling apparatus