Patents & Licenses
EMP's robust and rapidly expanding portfolio of United States and international patents covers many of the fundamental concepts of engine cooling, fluid pumps, and valves. Please find a list of our patent porfolio below as well as a link to view additional details of our patents on the official USPTO website.
| Patent Number | Description |
|---|---|
| 5,390,762 | Automatic Crankcase Oil Change and Makeup System |
| 5,415,134 | Engine Cooling System for Cooling a Vehicle Engine |
| 5,743,231 | Automatic method and apparatus for preventing wear in an Internal Combustion Engine |
| 6,053,706 | Oil Pump with Integrated Oil Metering Device |
| 6,056,518 | Fluid Pump |
| 6,135,098 | Flow-Through Controllable Air Charger |
| 6,349,692 | Method and Apparatus for Reducing Wear in an Internal Combustion Engine |
| 6,443,006 | Device Which Measures Oil Level and Dielectric Strength with a Capacitance Based Sensor Using a Ratio Metric Algorithm |
| 6,659,737 | Electronic Fluid Pump with an Encapsulated Stator Assembly |
| 6,702,555 | Fluid Pump Having an Isolated Stator Assembly |
| 6,736,965 | Auxiliary Filtration System and Filtering Method |
| 6,951,606 | Auxiliary Filtration System for an Engine |
| 7,096,830 | Mounting Arrangement for Electric Water Pump |
| 7,267,086 | Thermal Management System for a Heat Producing System |
| 7,343,882 | Fluid Valve |
| 7,406,835 | Cooling System and Method for Cooling a Heat Producing System |
| 7,412,948 | Fluid Valve |
| 7,454,896 | Thermal Management System for a Vehicle |
| 7,484,378 | Cooling System and Method for Cooling a Heat Producing System |
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