Average Co-Inventor Count = 3.00
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. Illinois Tool Works Inc. (3 from 7,615 patents)
3 patents:
1. 12398895 - Extractor with segmented positive pressure airflow system
2. 11530826 - Extractor with segmented positive pressure airflow system
3. 11014132 - Extractor with end-mounted positive pressure system