Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Liulin Deng — 8 Patents

ExxonMobil: 8 patents #1,392 of 10,161Top 15%
Chester Springs, PA: #45 of 227 inventorsTop 20%
Pennsylvania: #10,422 of 74,527 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Liulin Deng has been granted 8 US patents while listed as an inventor at ExxonMobil. The first was granted in 2022 and the most recent in September 2025. Liulin Deng ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Liulin Deng in Chester Springs, PA, US.

Patents per Year

Patents granted per year, 2022 to 2025Bar chart with a peak of 3 patents in 2024.peak 32022: 1 patents20222023: 2 patents20232024: 3 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12422402 Methods and apparatus for trapping and accumulation of ions John Daniel DeBord, Gordon A. Anderson 2025-09-23
12228546 Mobility based filtering of ions John Daniel DeBord, Nathan Paul Roehr 2025-02-18
12163920 Systems and methods for two-dimensional mobility based filtering of ions John Daniel DeBord, Sidney E. Buttrill, Jr. 2024-12-10
11953466 Methods and apparatus for trapping and accumulation of ions John Daniel DeBord, Gordon A. Anderson 2024-04-09
11874252 Apparatus and methods for ion manipulation having improved duty cycle John Daniel DeBord, Nathan Paul Roehr 2024-01-16
11662333 Systems and methods for two-dimensional mobility based filtering of ions John Daniel DeBord, Sidney E. Buttrill, Jr. 2023-05-30
11543384 Mobility based filtering of ions John Daniel DeBord, Nathan Paul Roehr 2023-01-03
11460439 Voltage control for traveling wave characteristic variation John Daniel DeBord, Ahmed Mohamed Hamid 2022-10-04