Average Co-Inventor Count = 1.60
ph-index = 4
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. Sabh (u.s.) Water Heater Group, Inc. (2 from 5 patents)
2. Mor-flo Industries, Inc. (1 from 21 patents)
3. American Water Heater Company (1 from 19 patents)
4 patents:
1. 6725811 - Water heater with low NOx fiber matrix burner
2. 5511516 - Water heater with low NO.sub.x ceramic burner
3. 5355841 - Water heater with integral burner
4. 5240411 - Atmospheric gas burner assembly