Average Co-Inventor Count = 2.29
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. Aos Holding Company (4 from 83 patents)
4 patents:
1. 6295952 - Flammable vapor resistant water heater
2. 6230665 - Flammable vapor resistant water heater
3. 6216643 - Flammable vapor resistant water heater
4. 6109216 - Flammable vapor resistant water heater