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EPA Patents Available for Licensing: Vehicles and Fuel Emissions

The links below will take you to the relevant page in the U.S. Patent and Trademark Office’s Patent Application Full Text and Image Database.

Patent # Patent Title Issue Date

13/637847
pat. pend.

Methods for Safe Operation of Hydraulic Hybrid Vehicles with Over-Center Pump/Motors

N/A

8,887,554

Raw Proportional Toxic Sampler for Sampling Exhaust

11/18/2014

9,121,395 Method for Assembling a Bent-Axis Pump/Motor 09/01/2015

8,407,999

Efficiency Turbocharged Engine System With Bottoming Cycle, and Method of Operation

04/02/2013

8,397,848

Hydraulic-Electric Regenerative Storage System For Plug-In Hybrid Motor Vehicles

03/19/2013

8,387,385

Efficient By-Pass Valve for Multi-Stage Turbocharging System

03/05/2013

8,356,985

Safe Over-Center Pump/Motor

01/22/2013

8,272,356

Two Mode Dual Crankshaft Engine

09/25/2012

8,104,436

Quasi Free Piston Engine

01/31/2012

8,069,657

Diesel Particulate Filter Regeneration System

12/06/2011

8,061,121

Flex Fuel Internal Combustion Engine System

11/22/2011

8,055,432

Method and System of Transient Control for Homogeneous Charge Compression Ignition (HCCI) Engines

11/08/2011

7,644,585

Multi-Stage Turbo Charging System With Efficient Bypass

01/12/2010

7,464,697

High Pressure Fuel Intensifier System

12/16/2008

7,237,532

Methods of Operation for Controlled Temperature Combustion Engines using
Gasoline-Like Fuel, Particularly Multi-cylinder Homogenous Charge Compression Ignition (HCCI) Engines

07/03/2007

7,025,042

Methods of Operation for Controlled Temperature Combustion Engines Using Gasoline-Like Fuel, Particularly Multicylinder Homogenous Charge Compression Ignition (HCCI) Engines

04/11/2006

7,024,858

Multi-Crankshaft, Variable-Displacement Engine

04/11/2006

6,962,090

Heated Stainless Steel Emissions Canister

11/08/2005

6,857,263

Low Emission Diesel Combustion System with Low Charge-Air Oxygen Concentration Levels and High Fuel Injection Pressures

02/22/2005

6,752,105

Piston-In-Piston Variable Compression Ratio Engine

06/22/2004

6,301,888

Low Emission, Diesel-Cycle Engine

10/16/2001

8,381,851

Methods of Operating a Series Hybrid Vehicle

02/26/2013

8,375,982

Hydraulic Circuit and Manifold With Multifunction Valve

02/19/2013

7,681,394

Control Methods for Low Emission Combustion System

03/23/2010

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