Average Co-Inventor Count = 1.71
ph-index = 6
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. Keson Industries, Inc. (9 from 18 patents)
9 patents:
1. 10507689 - Chalk line apparatus
2. 10252567 - Chalk line apparatus
3. 8479407 - Distance measuring wheel with foot actuated reset
4. 7536800 - Chalk line apparatus and method of operating a chalk line apparatus
5. 7536799 - Chalk line apparatus with strategically located chalk fill opening
6. 7478484 - Chalk line apparatus with a spool configured to avoid cavitation
7. D579355 - Chalk line housing
8. 7197831 - Closure system for a fill opening on a chalk line reel housing
9. 7131216 - Distance measuring apparatus