Average Co-Inventor Count = 3.00
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. The United States of America, As Represented by the Secretary of the Interior (1 from 56 patents)
2. The United States of America, As Represented by the Department of the Interior (1 from 5 patents)
2 patents:
1. 6712552 - Geosynthetic material irrigation system
2. 6541106 - Hydrophilic polyurethane impregnated rubber for sealing water leaks