Average Co-Inventor Count = 4.14
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. Tapco International Corporation (4 from 161 patents)
2. Other (2 from 832,718 patents)
3. Westlake Royal Building Products Inc. (14 patents)
6 patents:
1. 11428150 - System and method for rotational combustion engine
2. 9970197 - Multi-element roofing or siding panel
3. 9890537 - Siding or roofing panel system
4. 9780544 - Electrical box receptacle mount
5. 9611653 - Siding or roofing panel system
6. 9267296 - Multi-tile roofing or siding system