BD

Brian Duffy

BM Bmic: 3 patents #55 of 125Top 45%
BI Building Materials Investment: 2 patents #73 of 182Top 45%
BA Building Materials Corporation Of America: 1 patents #19 of 29Top 70%
Overall (All Time): #789,520 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12428843 Composite membrane for building applications Li-Ying Yang, Jeffrey Avitabile, Joseph Nigro, Daniel Podewils, Brian A. Davis +4 more 2025-09-30
11767673 Composite membrane for building applications Li-Ying Yang, Jeffrey Avitabile, Joseph Nigro, Daniel Podewils, Brian A. Davis +4 more 2023-09-26
11097311 Hybrid layered structure, method and system including same Li-Ying Yang, Yan Zheng, Yixi Xiao 2021-08-24
9133621 Self adhesive universal inside corner patch for membrane roofing Sudhir Railkar, Lynn G. Picone, Dave Scott, Li-Ying Yang 2015-09-15
8808076 Impeller exhaust ridge vent Adem Chich, Sudhir Railkar, Walter Zarate 2014-08-19
6536498 Welding apparatus and method for joining roofing materials Krishna Srinivasan 2003-03-25