Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QL

Qing Edda Liu — 6 Patents

KTKidde Technologies: 6 patents #25 of 134Top 20%
Wake Forest, NC: #128 of 596 inventorsTop 25%
North Carolina: #8,673 of 45,564 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Qing Edda Liu has been granted 6 US patents while listed as an inventor at Kidde Technologies. The first was granted in 2022 and the most recent in September 2025. Qing Edda Liu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Qing Edda Liu in Wake Forest, NC, US.

Patents per Year

Patents granted per year, 2022 to 2025Bar chart with a peak of 2 patents in 2022.peak 22022: 2 patents20222023: 2 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12415108 Fire suppression blends of CF3I, HCFOs and CO2 Adam Chattaway, Terry Simpson, Harlan Hagge, Mark P. Fazzio, Marios C. Soteriou +2 more 2025-09-16
11883706 Fire suppression blends of CF31 and 2-BTP Adam Chattaway, Terry Simpson, Mark P. Fazzio, Harlan Hagge, Paul Papas +2 more 2024-01-30
11794049 Fire suppression compositions Adam Chattaway, Terry Simpson, Mark P. Fazzio, Eli Baldwin, Marios C. Soteriou +1 more 2023-10-24
11717839 Nozzle configurations to create a vortex of fire suppression agent Eli Baldwin, Mark P. Fazzio, Terry Simpson, Adam Chattaway 2023-08-08
11324982 Fire suppression compositions Adam Chattaway, Terry Simpson, Mark P. Fazzio, Eli Baldwin, Marios C. Soteriou +1 more 2022-05-10
11268891 Fire extinguishing agent concentration measuring system and method Mark P. Fazzio, Harlan Hagge, Eli Baldwin, David Frasure, Adam Chattaway +1 more 2022-03-08