Average Co-Inventor Count = 2.00
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. Dell USA L P (3 from 802 patents)
3 patents:
1. 6276900 - Multiple fan system having means for reducing beat frequency oscillations
2. 6270319 - Multiple fan having means for reducing beat frequency oscillations
3. 6257832 - Multiple fan system having means for reducing beat frequency oscillations