Average Co-Inventor Count = 1.60
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. The Bilco Company (6 from 26 patents)
6 patents:
1. 8851790 - Watertight hatch
2. 7356968 - Polymer composite basement door
3. 6931793 - Roof scuttle safety railing system
4. 6799395 - Horizontal door lift
5. 6260305 - Gasket system for a horizontal door
6. 6041553 - Anchorage system for a horizontal door