Average Co-Inventor Count = 3.00
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. Hewlett-packard Company (3 from 9,638 patents)
3 patents:
1. 5178767 - Axially-driven valve controlled trapping assembly
2. 5151178 - Axially-driven valve controlled trapping assembly
3. 5009778 - Axially-driven valve controlled fluid trapping assembly