Average Co-Inventor Count = 2.83
ph-index = 5
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. Shell Oil Comapny (6 from 7,646 patents)
6 patents:
1. 4953144 - Third-party detection around pipelines
2. 4837751 - Shielded hydrophone assembly
3. H000387 - Wavelength filter for marine seismic cables
4. 4510588 - Hydrophone cable decoupler
5. 4300218 - Free flooding hydrophone mounting
6. 4055986 - Basic sediment and water measurement