Average Co-Inventor Count = 2.00
ph-index = 4
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. Other (5 from 832,812 patents)
5 patents:
1. 6079509 - Pipe die method and apparatus
2. 5971086 - Pipe gripping die
3. 5857476 - System for cleaning threaded and unthreaded portions of tubular members
4. 5653819 - Method for cleaning threaded portions of tubular members
5. 5372154 - System for cleaning threaded portions of tubular members