Average Co-Inventor Count = 4.00
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. Cellnet Data Systems, Inc. (1 from 12 patents)
2. Schlumberger Resources Management Systems, Inc. (1 from 1 patent)
2 patents:
1. 6492910 - Metering system
2. 6195018 - Metering system