Average Co-Inventor Count = 3.61
ph-index = 26
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. Royal Appliance Mfg., Co. (56 from 234 patents)
2. Guardian Technologies (17 from 35 patents)
3. Gaurdian Technologies LLC (2 from 2 patents)
75 patents:
1. D905220 - Air purifier
2. D894371 - Mist inhaler
3. D890905 - Air purifier
4. D890904 - Air purifier
5. D838354 - Table top air purifier with a projector
6. D835764 - Air purifier
7. D818569 - Humidifier
8. D812209 - Air sanitizer
9. D787657 - Tower humidifier
10. D759797 - Table top air purifier
11. D751184 - Pluggable wall air purifier
12. D745128 - Table top air purifier
13. D731633 - Air purifier
14. D719251 - Pluggable wall air purifier
15. D716428 - Air purifier