Average Co-Inventor Count = 1.00
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. Westinghouse Air Brake Company (1 from 582 patents)
2. Vapor Corp. (1 from 89 patents)
2 patents:
1. 6052898 - Method of winding fluid heater coils
2. 5845609 - Fluid heater coils