Average Co-Inventor Count = 3.75
ph-index = 2
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. Baker Hughes Oilfield Operations LLC (3 from 830 patents)
2. Vetco Gray Inc. (3 from 452 patents)
6 patents:
1. 12234697 - Lock mechanism for bit run tool and replaceable blades
2. 12055006 - Subsea casing hanger running tool with anti-rotation feature and method for rotating casing into complex and deviated wellbores
3. 11542774 - Locking energizing ring
4. 9169711 - Slotted metal seal
5. 8973664 - Subsea wellhead stabilization using cylindrical sockets
6. 8882394 - Tensioner cylinder connections with multiaxial degrees of freedom