Average Co-Inventor Count = 1.67
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. Other (1 from 832,718 patents)
2. Ridge Tool Company (1 from 106 patents)
2 patents:
1. 11103900 - Drain servicing assembly
2. 10987708 - Drain cleaning systems using sheath protected flexible shaft