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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Husnu M. Kalkanoglu — 6 Patents in 2021

CECertainteed: 6 patents #3 of 62Top 5%
Swarthmore, PA: #1 of 18 inventorsTop 6%
Pennsylvania: #157 of 7,685 inventorsTop 3%
Overall (2021): #23,114 of 548,734Top 5%
6 Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11060288 Method of producing roofing shingles with enhanced granule adhesion Keith C. Hong, Joong Youn Kim 2021-07-13
11053684 Solar heat-reflective roofing granules, solar heat-reflective shingles and process for producing the same Ming Liang Shiao, Tihana Tresler, Walter T. Stephens 2021-07-06
11025192 Photovoltaic roofing elements and photovoltaic roofing systems Robert D. Livsey, Joseph Charles Gombarick, Peter Chihlas, Michael E. Blackburn, Stephen W. Steffes +2 more 2021-06-01
11012026 Photovoltaic module Gregory F. Jacobs, Ming Liang Shiao 2021-05-18
10982445 Panel for use as exterior covering for roofing or siding and building structure having same Robert L. Jenkins, Stephen A. Koch 2021-04-20
10934456 Oxidized mixture of bio-based material and asphalt, a bio-based asphaltic material, and methods of making the same Keith C. Hong, Gregory F. Jacobs 2021-03-02