Michael G. Leffert

Person

Howell, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual inlet air induction system with panel filter for vehicle engine
- Patent number 9,062,639
- Issue date Jun 23, 2015
- GM Global Technology Operations LLC
- Steven K. MacKenzie
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Grille airflow shutter system with discrete shutter control
- Patent number 8,833,313
- Issue date Sep 16, 2014
- GM Global Technology Operations LLC
- Thomas K. Lockwood
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air-based hybrid battery thermal conditioning system
- Patent number 8,662,968
- Issue date Mar 4, 2014
- GM Global Technology Operations LLC
- Michael G. Leffert
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air ducts for vehicles
- Patent number 8,480,166
- Issue date Jul 9, 2013
- GM Global Technology Operations LLC
- Michael J. Readwin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Powertrain thermal control with grille airflow shutters
- Patent number 8,463,493
- Issue date Jun 11, 2013
- GM Global Technology Operations LLC
- Thomas K. Lockwood
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RETURN AIR DUCTS FOR VEHICLES
- Publication number 20140196866
- Publication date Jul 17, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Charles A. Bezzina
- B60 - VEHICLES IN GENERAL
Information Patent Application
RECONFIGURABLE BASELINE OPENING FOR UNDER-HOOD AIRFLOW
- Publication number 20130081888
- Publication date Apr 4, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Scott P. Charnesky
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING A SHUTTER IN A VEHICLE VIA A COOL...
- Publication number 20120097465
- Publication date Apr 26, 2012
- GM Global Technology Operations, Inc.
- Michael G. Leffert
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VENTILATION ASSEMBLY FOR A FRONT EXTERIOR OF A VEHICLE
- Publication number 20120090906
- Publication date Apr 19, 2012
- GM Global Technology Operations, Inc.
- SCOTT P. CHARNESKY
- B60 - VEHICLES IN GENERAL
Information Patent Application
AUTOMOTIVE AIR DUCT CONSTRUCTION
- Publication number 20120073694
- Publication date Mar 29, 2012
- GM Global Technology Operations, Inc.
- Michael G. Leffert
- B60 - VEHICLES IN GENERAL
Information Patent Application
Grille Airflow Shutter System with Discrete Shutter Control
- Publication number 20110281515
- Publication date Nov 17, 2011
- GM Global Technology Operations, Inc.
- Thomas K. Lockwood
- B60 - VEHICLES IN GENERAL
Information Patent Application
Air-Based Hybrid Battery Thermal Conditioning System
- Publication number 20110269387
- Publication date Nov 3, 2011
- GM Global Technology Operations, Inc.
- Michael G. Leffert
- B60 - VEHICLES IN GENERAL
Information Patent Application
Powertrain Thermal Control with Grille Airflow Shutters
- Publication number 20110246023
- Publication date Oct 6, 2011
- GM GLOBAL TECHNOLOY OPERATIONS, INC.
- Thomas K. Lockwood
- B60 - VEHICLES IN GENERAL

Michael G. Leffert

Person

Patents Grantslast 30 patents

Dual inlet air induction system with panel filter for vehicle engine

Grille airflow shutter system with discrete shutter control

Air-based hybrid battery thermal conditioning system

Air ducts for vehicles

Powertrain thermal control with grille airflow shutters

Patents Applicationslast 30 patents

RETURN AIR DUCTS FOR VEHICLES

RECONFIGURABLE BASELINE OPENING FOR UNDER-HOOD AIRFLOW

SYSTEM AND METHOD FOR CONTROLLING A SHUTTER IN A VEHICLE VIA A COOL...

VENTILATION ASSEMBLY FOR A FRONT EXTERIOR OF A VEHICLE

AUTOMOTIVE AIR DUCT CONSTRUCTION

Grille Airflow Shutter System with Discrete Shutter Control

Air-Based Hybrid Battery Thermal Conditioning System

Powertrain Thermal Control with Grille Airflow Shutters