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

Ryan W. Walker

CCCalgon Carbon: 5 patents #11 of 102Top 15%
KCKuraray Co.: 1 patents #981 of 1,827Top 55%
Pittsburgh, PA: #1,616 of 7,570 inventorsTop 25%
Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #921,809 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12083502 Chemical sorbent oxidation method and sorbents made therefrom Walter G. Tramposch 2024-09-10
12064745 Iron and nitrogen treated sorbent and method for making same Jason P. Mazzoccoli, Walter G. Tramposch, Keita Takahashi, Aya Benzaki 2024-08-20
12059668 Copper, iron, and nitrogen treated sorbent and method for making same Jason P. Mazzoccoli, Walter G. Tramposch 2024-08-13
11872539 Copper and nitrogen treated sorbent and method for making same Jason P. Mazzoccoli, Walter G. Tramposch 2024-01-16
10702853 Chloramine and chlorine removal material and methods for making the same Jason P. Mazzoccoli, Walter G. Tramposch, Robert H. Vaughn 2020-07-07