Average Co-Inventor Count = 1.25
ph-index = 13
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. Other (8 from 832,718 patents)
2. Grey Technology Limited (7 from 12 patents)
3. Vax Limited (4 from 20 patents)
4. Techtronic Industries Company Limited (2 from 95 patents)
5. Euro-pro Corporation (1 from 13 patents)
6. Grey, Nicholas Gerald (0 patent)
25 patents:
1. 12005020 - Automated massage apparatus
2. 11297988 - Bagged vacuum cleaner
3. 10898044 - Dirt-collection chamber and suction head for a vacuum cleaner
4. 10765281 - Suction head for a vacuum cleaner and method of operation
5. 9943199 - Hand-held vacuum cleaner
6. 9737183 - Vacuum cleaner
7. 9560944 - Vacuum cleaner
8. D694481 - Vacuum cleaner
9. 7802343 - Suction head for a vacuum cleaner
10. D598262 - Multi-function tool handle
11. D568008 - Vacuum cleaner
12. 7334284 - Surface cleaning apparatus
13. 7331078 - Surface cleaning apparatus
14. D554814 - Vacuum cleaner head
15. 7117556 - Surface cleaning apparatus