Average Co-Inventor Count = 5.00
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. Tenneco Automotive Operating Company Inc. (2 from 406 patents)
2 patents:
1. 10082067 - Recirculating exhaust treatment fluid system
2. 9903250 - Recirculating exhaust treatment fluid system