Average Co-Inventor Count = 3.43
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. State Industries, Inc. (4 from 26 patents)
4 patents:
1. 5988116 - Low NO.sub.x gas burner and method of operation
2. 5913675 - Low NO.sub.x gas burner
3. D400971 - Gas-fired water heater
4. D388868 - Electric water heater