Average Co-Inventor Count = 1.43
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. Tenneco Automotive Operating Company Inc. (3 from 406 patents)
3 patents:
1. 8776504 - Bypass fluid system for exhaust aftertreatment
2. 8438839 - Exhaust gas stream vortex breaker
3. 7980061 - Charged air bypass for aftertreatment combustion air supply