Average Co-Inventor Count = 4.00
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. Grundfos International A/s (1 from 21 patents)
2. Preussag Aktiengesellschaft (1 from 21 patents)
1 patent:
1. 5224389 - Method and apparatus for taking samples from a groundwater monitoring