Eindhoven
Netherlands
3
2026-01-15
The entities that hold a legal rights for patent applications filed by inventor DE GRAAF John:
John DE GRAAF from Eindhoven, NL has applied for patents for these inventions. The list has both pending applications and granted patents:
EXHAUST AFTERTREATMENT SYSTEM
#2 | 2025-12-11Closed Crankcase Ventilation System and Internal Combustion Engine
#3 | 2021-08-05System and method for detecting malfunctioning turbo-diesel cylinders
5154072 ⎘