Average Co-Inventor Count = 2.00
ph-index = 1
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. Backer Ehp Inc. (3 from 15 patents)
3 patents:
1. 12195927 - Rail switch heater
2. 11725347 - Rail switch heater
3. 10858787 - Rail switch heater