Average Co-Inventor Count = 3.00
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. American Gas Association (2 from 18 patents)
2 patents:
1. 4730990 - Pulse combustion engine and heat transfer system
2. 4685510 - Pulse combustion engine and heat transfer system