Average Co-Inventor Count = 3.33
ph-index = 1
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. USA As Represented by Secretary of the Navy (4 from 16,080 patents)
2. Other (1 from 832,812 patents)
5 patents:
1. 8616275 - Groundwater evaluation tools and methods of groundwater evaluation
2. 7711489 - Trident probe groundwater exchange system
3. 7672795 - Method for sampling seepage
4. 7424375 - Tidal seepage meter
5. 6993437 - Tidal seepage meter