Average Co-Inventor Count = 4.10
ph-index = 6
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. Halliburton Energy Services, Inc. (4 from 11,766 patents)
2. Schlumberger Technology Corporation (4 from 10,170 patents)
8 patents:
1. RE45244 - Expandable tubing and method
2. 8776876 - Expandable device for use in a well bore
3. 8397804 - Expandable device for use in a well bore
4. 8230913 - Expandable device for use in a well bore
5. 7398831 - Expandable tubing and method
6. 7156180 - Expandable tubing and method
7. 6799637 - Expandable tubing and method
8. 6772836 - Expandable tubing and method