Average Co-Inventor Count = 6.67
ph-index = 3
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. (2 from 234 patents)
2. Techtronic Floor Care Technology Limited (1 from 240 patents)
3 patents:
1. 8069529 - Handheld vacuum cleaner
2. D635774 - Electric broom
3. D626708 - Hand vacuum