Average Co-Inventor Count = 1.58
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 (4 from 832,812 patents)
2. Caterpillar Inc. (1 from 9,457 patents)
5 patents:
1. 10336635 - Subsurface sewage disposal system
2. 9850150 - Subsurface sewage disposal system
3. 8727662 - Influent liquid treatment system
4. 8142106 - Subsurface sewage disposal and wastewater treatment system
5. 5435162 - Zone heating apparatus