Average Co-Inventor Count = 3.10
ph-index = 5
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. Black Decker Inc. (4 from 5,073 patents)
2. Other (1 from 832,966 patents)
3. Emhart Inc. (1 from 591 patents)
6 patents:
1. 5787546 - Vacuum cleaner
2. D376228 - Vacuum cleaner
3. D374317 - Vacuum cleaner
4. D371651 - Vacuum cleaner
5. D370319 - Vacuum cleaner
6. 4945739 - Bicycle lock