Average Co-Inventor Count = 3.60
ph-index = 3
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. Pierce Manufacturing Company (3 from 12 patents)
3 patents:
1. 9327150 - Firefighting vehicle
2. 8739892 - Firefighting vehicle
3. 8555625 - Exhaust system for firefighting vehicle