Average Co-Inventor Count = 5.98
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 9,463 patents)
2. Advanced Filtration Systems, Inc. (13 from 14 patents)
3. Donaldson Comapny, Inc. (11 from 1,404 patents)
4. Justrite Manufacturing Company (1 from 41 patents)
5. Catepillar Inc. (1 from 14 patents)
6. Donaldon Company Inc. (1 from 1 patent)
15 patents:
1. 9814311 - Safety cabinet with sequential door-closing system
2. 9511314 - Canister filter system with drain that cooperates with filter element
3. 9089795 - Fluid filter system
4. 8973760 - Filter system with fuel-water separator
5. 8540080 - Fluid filter system
6. 8501003 - Canister filter system with drain that cooperates with filter element
7. 8419938 - Fluid filter system
8. 8272516 - Fluid filter system
9. D656577 - Fuel filter
10. D655781 - Fuel filter
11. D655376 - Fuel filter
12. D648822 - Fuel filter
13. D646751 - Filter
14. D646750 - Fuel filter
15. D646350 - Filter