Average Co-Inventor Count = 1.24
ph-index = 11
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. Rolf C. Hagen Inc. (21 from 36 patents)
21 patents:
1. 7806087 - Cat track
2. 7765954 - Small animal habitat
3. 7665420 - Bird cage
4. 7661394 - Cat track
5. 7624705 - Small animal habitat
6. D599507 - Cat spa
7. D591463 - Cat litter box
8. D584457 - Small animal cage
9. 7270082 - Pet drinking fountain
10. 7093564 - Bird cage
11. 7089881 - Pet drinking fountain
12. D514751 - Pet drinking fountain design
13. 6923143 - Bird cage
14. 6874446 - Animal brushes
15. D497041 - Pet drinking fountain design