Average Co-Inventor Count = 4.00
ph-index = 23
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. Certainteed Corporation (28 from 936 patents)
28 patents:
1. 8789332 - Pattern randomization of a laminated roofing shingle
2. 8281520 - Hip, ridge or rake shingle
3. 8266861 - Process of producing hip, ridge or rake shingles, and high profile shingles produced thereby
4. 7921606 - Hip, ridge or rake shingle
5. D611620 - Shingle
6. 7510622 - Method of making a shingle and shingle made thereby
7. D552267 - Shingle
8. 6467235 - Method and apparatus for making a thick-appearing shingle
9. 6212843 - Thick-appearing shingle and method and apparatus for making same
10. 6205734 - Shingle
11. 6092345 - Method of making a shingle
12. 6044608 - Laminated shingle
13. 6038826 - Stack and package of laminated shingles
14. 6010589 - Method of making laminated shingles
15. 5961780 - Apparatus for making a shingle