Average Co-Inventor Count = 5.17
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. Frank's International, Inc. (4 from 129 patents)
2. Other (1 from 832,891 patents)
5 patents:
1. 9567815 - Load ring for lifting by elevator, of casing having an upset
2. 8936292 - Load ring for lifting by elevator, of cassing having no upset
3. 8348320 - Load ring for lifting by elevator, of casing having no upset
4. 7357434 - Load ring for lifting by elevator, of casing having no upset
5. 7159619 - Thread protector for use on pin end of oilfield tubulars