Average Co-Inventor Count = 2.32
ph-index = 15
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. Building Materials Corporation of America (20 from 45 patents)
2. Other (2 from 832,880 patents)
3. Gaf Corporation (1 from 498 patents)
4. Building Materials Investment Corporation (1 from 284 patents)
24 patents:
1. 6361851 - Composite roofing shingle
2. D452917 - Roofing shingle
3. 6190754 - Variegated shingle and method of manufacture
4. 6105329 - Trilaminate roofing shingle
5. D426002 - Front of a roof shingle
6. 6058670 - Laminated roofing and siding shingle
7. 5939169 - Composite roofing and siding shingle
8. D406665 - Roof covering
9. D406362 - Section of tabbed, laminated roofing shingle
10. D406361 - Shingle
11. 5860263 - Thickened reinforced roofing shingle
12. D403088 - Laminated roofing shingle
13. D403087 - Laminated roofing shingle
14. D401362 - Composite roofing shingle
15. D401363 - Laminated roofing shingle