Average Co-Inventor Count = 2.00
ph-index = 3
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 (4 from 936 patents)
4 patents:
1. 8371072 - Molded synthetic hip, ridge or rake shingle and process and apparatus for molding same
2. D636501 - Array of hip, ridge or rake roofing shingles
3. D625845 - Front portion of a hip, ridge or rake roofing shingle
4. D617913 - Hip, ridge or rake roofing shingle