Average Co-Inventor Count = 4.00
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. United Dominion Industries, Inc. (3 from 45 patents)
2. Hpd International, Inc. (1 from 2 patents)
4 patents:
1. 6273175 - Overhead door and track therefor
2. 6095229 - Overhead door and track therefor
3. 6041844 - Overhead door and track therefor
4. 5535805 - Overhead door