Average Co-Inventor Count = 3.06
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. Weatherford/lamb, Inc. (2 from 1,209 patents)
2. Weatherford Technology Holdings, LLC (2 from 897 patents)
6 patents:
1. D889310 - Set of alphabet charms
2. 10626690 - Fill up tool
3. 9745810 - Fill up tool
4. 8833471 - Fill up tool
5. 8141642 - Fill up and circulation tool and mudsaver valve
6. D614915 - Multipurpose cooking griddle