Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
BK

Brian W. Kirn — 3 Patents in 2021

CECertainteed: 3 patents #8 of 62Top 15%
Hatboro, PA: #2 of 16 inventorsTop 15%
Pennsylvania: #597 of 7,685 inventorsTop 8%
Overall (2021): #88,970 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11035128 Exterior cladding panels and methods for installing them Stephen W. Steffes, David J. Stucky, Robert D. Shaw 2021-06-15
11007690 System, method and article for siding corner Stephen W. Steffes 2021-05-18
10934719 Siding panel end plug and method of installation Stephen W. Steffes 2021-03-02