Average Co-Inventor Count = 3.69
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. Zoeller Company (4 from 12 patents)
4 patents:
1. 6495040 - Septic tank filtering system
2. 6331247 - Septic tank filtering system
3. 6136190 - Septic tank filtering system
4. 6112766 - Low flow wastewater and effluent distribution system