Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Stephen W. Steffes — 7 Patents in 2021

CECertainteed: 7 patents #1 of 62Top 2%
McPherson, KS: #1 of 6 inventorsTop 20%
Kansas: #22 of 1,131 inventorsTop 2%
Overall (2021): #14,953 of 548,734Top 3%
7 Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11047134 Manufactured building panel David J. Stucky, Andrew Clyde Brandt, Robert D. Shaw, Nikki J. Whitney 2021-06-29
11035128 Exterior cladding panels and methods for installing them David J. Stucky, Robert D. Shaw, Brian W. Kirn 2021-06-15
11025192 Photovoltaic roofing elements and photovoltaic roofing systems Robert D. Livsey, Joseph Charles Gombarick, Peter Chihlas, Husnu M. Kalkanoglu, Michael E. Blackburn +2 more 2021-06-01
11007690 System, method and article for siding corner Brian W. Kirn 2021-05-18
10934719 Siding panel end plug and method of installation Brian W. Kirn 2021-03-02
D910207 Manufactured siding panel with frame David J. Stucky, Andrew Clyde Brandt, Robert D. Shaw, Nikki J. Whitney 2021-02-09
10882232 Variegated building product and method Robert D. Shaw, David J. Stucky, Travis R. Arbogast, Randall M. Elinski 2021-01-05