Average Co-Inventor Count = 2.58
ph-index = 7
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. Earthway Products, Inc. (20 from 27 patents)
2. Chapman, Richard H. (0 patent)
3. Sevrey, Richard (0 patent)
4. Kendall, Jeffrey (0 patent)
20 patents:
1. 12302779 - Adaptable walk behind spreader
2. 12245539 - Particulate material dispersing apparatus with shut-off adjustment plate
3. 12120974 - Spread control mechanism
4. 10993368 - Spread control mechanism
5. 10225976 - Adaptable spreader
6. 9820430 - Spread control mechanism
7. D792911 - Impeller
8. D758454 - Spreader hopper
9. 9198345 - Adaptable spreader
10. 9192094 - Adaptable spreader
11. D730410 - Spreader output tray
12. D729849 - Spreader output tray
13. D729850 - Spreader output tray
14. D724105 - Spreader hopper
15. 8602324 - Liquid sprayer