Average Co-Inventor Count = 1.33
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. Other (2 from 832,891 patents)
2. Harvard Corporation (2 from 12 patents)
4 patents:
1. 6319416 - Method of fluid filtering employing a novel cartridge sealing mechanism
2. 6270668 - Filter element sealing mechanism
3. 5368746 - Environmentally beneficial bypass filter system for use with low
4. 5232588 - Environmentally beneficial bypass filter system for use with low