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

Robert D. Livsey — 1 Patent in 2021

CECertainteed: 1 patents #19 of 62Top 35%
Limerick, PA: #5 of 8 inventorsTop 65%
Pennsylvania: #2,483 of 7,685 inventorsTop 35%
Overall (2021): #283,678 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11025192 Photovoltaic roofing elements and photovoltaic roofing systems Joseph Charles Gombarick, Peter Chihlas, Husnu M. Kalkanoglu, Michael E. Blackburn, Stephen W. Steffes +2 more 2021-06-01