Average Co-Inventor Count = 1.71
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. Bank of America Corporation (1 from 5,968 patents)
2. Weatherford/lamb, Inc. (1 from 1,209 patents)
2 patents:
1. 7588612 - Mobile nitrogen generation device
2. 6443245 - Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations