Average Co-Inventor Count = 2.40
ph-index = 2
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. Super Sucker Hydro Vac Service, Inc. (1 from 1 patent)
3 patents:
1. 9903089 - Tubular insert for excavated hole with safety cover
2. 9650803 - Tubular insert for excavated hole with safety cover
3. 7966772 - Tubular insert for excavated hole with safety cover