Average Co-Inventor Count = 1.39
ph-index = 18
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. Nautilus Human Performance Systems, Inc. (10 from 10 patents)
2. Nautilus, Inc. (9 from 214 patents)
3. Nautilus Acquisition Corporation (7 from 7 patents)
4. Med-fit Systems, Inc. (2 from 2 patents)
5. Nautilus International, Inc. (1 from 1 patent)
6. Webb, Gregory M. (0 patent)
29 patents:
1. 8894556 - Multi-function handle for weight training machine
2. 8876674 - Selectable weight stack
3. 8845498 - Lockout mechanism for a weight stack exercise machine
4. 8585564 - Weight stack assembly for exercise machine
5. 8016729 - Exercise machine having rotatable weight selection index
6. 7740568 - Exercise machine having rotatable weight selection index
7. 7736283 - Exercise machine having rotatable weight selection index
8. 7662074 - Exercise machine having rotatable weight selection index
9. 7658701 - Dual axis abdominal exercise apparatus
10. 7553263 - Calf extension weight training machine
11. 7150702 - Leg curl/leg extension weight training machine
12. 7070545 - Leg press and abdominal crunch exercise machine
13. 7052446 - Lat pulldown weight training machine
14. 7029427 - Weight training machine for exercising the upper chest muscles
15. 7004891 - Inclined leg press weight training machine