Average Co-Inventor Count = 2.67
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. Atlantic Richfield Company (4 from 1,851 patents)
4 patents:
1. 6054496 - Method for transporting a heavy crude oil produced via a wellbore from a
2. 5935423 - Method for producing from a subterranean formation via a wellbore,
3. 5929125 - Method for producing heavy crude oil via a wellbore from a subterranean
4. 5425421 - Method for sealing unwanted fractures in fluid-producing earth formations