JP

John Petrachek

Overall (All Time): #1,096,239 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12428845 Seal assembly method and apparatus Joel P. Vieira, Doug F. Maikawa 2025-09-30
11754743 Laser detection system 2023-09-12
11611814 System and method for monitoring temperature on a roof Xuewen Zhu, Jiang Li, Jianbin Xiao 2023-03-21
10171892 System and method for monitoring water level on a roof Xuewen Zhu, Jiang Li, Jianbin Xiao 2019-01-01