Average Co-Inventor Count = 4.09
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. Other (2 from 832,843 patents)
2. Schlumberger Technology Corporation (1 from 10,180 patents)
3 patents:
1. 7908851 - Hydraulic energy storage with reinforced layer
2. 7891453 - Energy storage in an elastic vessel
3. 7526918 - Hydraulic energy storage with reinforced layer