Average Co-Inventor Count = 2.13
ph-index = 16
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. Power Tool Holders, Inc. (15 from 112 patents)
2. Jacobs Chuck Manufacturing Company (7 from 44 patents)
3. Jacobs Chuck Technology Corporation (3 from 26 patents)
4. Apex Brands, Inc. (1 from 285 patents)
5. Power Tool Holders Incor. (1 from 1 patent)
27 patents:
1. 8727681 - Locking chuck
2. 8371779 - Locking chuck
3. 7976253 - Locking chuck
4. 7690871 - Locking chuck
5. 7452168 - Chuck
6. 7237988 - Locking chuck
7. 7128503 - Locking chuck
8. 7018146 - Chuck
9. 6832764 - Locking chuck
10. 6736410 - Chuck
11. 6536781 - Chuck
12. 6435521 - Locking chuck
13. 6367815 - Chuck
14. 6279918 - Chuck
15. 6179301 - Locking chuck