Average Co-Inventor Count = 3.14
ph-index = 4
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. Werner Co. (11 from 215 patents)
11 patents:
1. 10760337 - Ladder leveler and method
2. 10697239 - Electrician's ladder and method
3. 10208538 - Pipe tradesman's ladder and method
4. 8944213 - Electrician's ladder and method
5. 8616336 - Method for a ladder with a ladder leveler
6. 8261882 - Ladder leveler and method
7. 8256573 - Ladder leveler and method
8. 8042653 - Adjustable work platform
9. 8016078 - Electrician's ladder and method
10. 7886872 - Electrician's ladder and method
11. D584422 - Ladder leveler stile