Average Co-Inventor Count = 4.05
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. American Greetings Corporation (22 from 423 patents)
2. Enerco Group, Inc. (3 from 25 patents)
3. Energo Group, Inc. (1 from 1 patent)
26 patents:
1. 11796180 - Systems and arrangements for portable heater with connectable accessory
2. D982732 - Portable heater
3. D969286 - Portable heater with red trim
4. D964091 - Burner
5. 9925820 - Greeting card with inflatable balloon
6. 9873280 - Ferris wheel greeting card
7. 9643443 - Greeting cards with suspended motion
8. 9597916 - Motorized gift card holders
9. 9545811 - Greeting cards with multi-panel insert
10. 9469146 - Motorized pop-up greeting card
11. D765779 - Greeting card
12. 9382042 - Pull activated greeting cards and gift bags with motion and audio
13. 9248688 - Motion greeting cards
14. 9186927 - Greeting card with spring loaded slide track activated audio
15. 9186928 - Pull activated greeting cards and gift bags with motion and audio