Average Co-Inventor Count = 2.00
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. Canadian Fram Limited (2 from 34 patents)
2 patents:
1. D291807 - Electric vacuum regulator valve for use with automotive emissions control
2. D289401 - Electric vacuum regulator valve for use with automatic emissions control