Average Co-Inventor Count = 2.06
ph-index = 30
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. Emhart Inc. (130 from 591 patents)
2. Virco Mgmt. Corporation (9 from 61 patents)
3. Other (5 from 831,952 patents)
4. Teknion Limited (1 from 20 patents)
5. Embart Inc. (1 from 1 patent)
158 patents:
1. 11445790 - Umbrella
2. D928305 - Mask
3. 10959500 - Umbrella
4. D909042 - Umbrella hub system
5. 10881176 - Umbrella
6. D899762 - Umbrella
7. D899761 - Umbrella
8. D899069 - Umbrella
9. D899070 - Umbrella
10. 10772429 - Sling assembly
11. D856729 - Sling assembly
12. 10021983 - Ergonomic chair
13. 6726034 - Furniture system
14. 6585320 - Tilt control mechanism for a tilt back chair
15. D474044 - Desk