Inventor
TOFSLAND KEN
US17 patents
⚠️ This page may combine multiple inventors who share the name “TOFSLAND KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS FILTRATION IP INC
15 patentsUS11369910B2Jun 28, 2022
Panel filter element
CUMMINS FILTRATION IP INC6 citations85
US11446598B2Sep 20, 2022
Axial flow centrifugal separator
CUMMINS FILTRATION IP INC8 citations84
US11951431B2Apr 9, 2024
Axial flow centrifugal separator
CUMMINS FILTRATION IP INC4 citations73
US11192055B2Dec 7, 2021
Interlock for genuine filter recognition
CUMMINS FILTRATION IP INC2 citations71
US11331606B2May 17, 2022
Torsional no filter no run system and method
CUMMINS FILTRATION IP INC2 citations69
US11969687B2Apr 30, 2024
Curved lobed seal lock air filter system
CUMMINS FILTRATION IP INC2 citations68
US11547965B2Jan 10, 2023
Curved lobed seal lock air filter system
CUMMINS FILTRATION IP INC2 citations68
US12053731B2Aug 6, 2024
Panel filter element
CUMMINS FILTRATION IP INC0 citations62
US12303816B2May 20, 2025
Axial flow centrifugal separator
CUMMINS FILTRATION IP INC0 citations61
US11654385B2May 23, 2023
Utilizing a mechanical seal between a filter media and an endcap of a rotating filter cartridge
CUMMINS FILTRATION IP INC0 citations61
US11633684B2Apr 25, 2023
Interlock for genuine filter recognition
CUMMINS FILTRATION IP INC0 citations60
US12350611B2Jul 8, 2025
Torsional no filter no run system
CUMMINS FILTRATION IP INC0 citations59
US11020698B2Jun 1, 2021
Filter with variable cross-section axial seal
CUMMINS FILTRATION IP INC0 citations50
US12515162B2Jan 6, 2026
Filter assemblies and elements utilizing multilayered and wrapped filter media
CUMMINS FILTRATION IP INC0 citations48
US12071873B2Aug 27, 2024
Anti-rotation features for crankcase ventilation filters
CUMMINS FILTRATION IP INC0 citations42