Average Co-Inventor Count = 6.20
ph-index = 8
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. Caterpillar Inc. (13 from 9,471 patents)
2. Advanced Filtration Systems, Inc. (13 from 14 patents)
3. Donaldson Comapny, Inc. (11 from 1,405 patents)
4. Catepillar Inc. (1 from 14 patents)
5. Donaldon Company Inc. (1 from 1 patent)
14 patents:
1. 9511314 - Canister filter system with drain that cooperates with filter element
2. 9089795 - Fluid filter system
3. 8973760 - Filter system with fuel-water separator
4. 8540080 - Fluid filter system
5. 8501003 - Canister filter system with drain that cooperates with filter element
6. 8419938 - Fluid filter system
7. 8272516 - Fluid filter system
8. D656577 - Fuel filter
9. D655781 - Fuel filter
10. D655376 - Fuel filter
11. D648822 - Fuel filter
12. D646751 - Filter
13. D646750 - Fuel filter
14. D646350 - Filter