Average Co-Inventor Count = 13.33
ph-index = 3
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. Pentair Water Pool and Spa, Inc. (3 from 188 patents)
2. Danfoss Drives A/s (1 from 27 patents)
3. Danfoss Low Power Drives (9 patents)
4. Danfoss Low Power Drives, a Division of Danfoss Drives A/s (2 patents)
3 patents:
1. 9605680 - Control algorithm of variable speed pumping system
2. 9404500 - Control algorithm of variable speed pumping system
3. 8019479 - Control algorithm of variable speed pumping system