Average Co-Inventor Count = 2.81
ph-index = 9
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. Dreamwell, Ltd. (10 from 198 patents)
2. Simmons Company (2 from 38 patents)
12 patents:
1. 8181293 - Mattress with removable top
2. 7587775 - Mattress with removable top
3. 7444706 - Bed construction with reduced sagging
4. 7370380 - Mattress with removable top
5. 7103933 - Mattress and bed assembly providing an enlarged sleeping surface area
6. 7096528 - Bed construction with reduced sagging
7. 6760940 - Bed construction with reduced sagging
8. 6678905 - Mattress and bed assembly providing an enlarged sleeping surface area
9. 6557198 - Mattress and bed assembly providing an enlarged sleeping surface area
10. 6519798 - Mattress and bed assembly providing an enlarged sleeping surface area
11. 6408469 - Bed construction with reduced sagging
12. 6243900 - One-sided mattress construction