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

Ralf Kuriyel — 6 Patents

RERepligen: 4 patents #18 of 102Top 20%
MIMillipore: 2 patents #123 of 440Top 30%
Waltham, MA: #406 of 1,656 inventorsTop 25%
Massachusetts: #20,532 of 88,656 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Ralf Kuriyel has been granted 6 US patents while listed as an inventor at Repligen. The first was granted in 1991 and the most recent in September 2025. Ralf Kuriyel ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Ralf Kuriyel in Waltham, MA, US.

Patents per Year

Patents granted per year, 1991 to 2025Bar chart with a peak of 2 patents in 2025.peak 21991: 1 patents19912004: 1 patents20042023: 1 patents20232024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12427454 Filtration system and method for synchronizing permeate and retentate flow Rudolf Pavlik 2025-09-30
12220665 Tangential flow filtration systems and methods Michael Bransby, Derek Carroll, Philip Yuen 2025-02-11
11958018 Tangential flow filtration systems and methods Michael Bransby, Derek Carroll, Philip Yuen 2024-04-16 $86,726,000
11673083 Filtration system with selective flow reversal Rudolf Pavlik 2023-06-13 $101,790,000
6824679 Hollow fiber separation module and methods for manufacturing same Stephen Dzengeleski, Steven R. Pearl 2004-11-30 $13,595,000
5032265 Method and system for producing sterile aqueous solutions Anil D. Jha, Laura L. Deming 1991-07-16 $3,951,000