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Darren Schumacher
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Ypsilanti, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for advanced neutral tow
Patent number
6,345,224
Issue date
Feb 5, 2002
Motorola, Inc.
Darren A. Schumacher
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for monitoring the performance of a catalytic converter usin...
Patent number
6,116,021
Issue date
Sep 12, 2000
Motorola, Inc.
Darren Schumacher
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Evaporative emissions leak detection system and method utilizing on...
Patent number
5,964,812
Issue date
Oct 12, 1999
Motorola Inc.
Darren Schumacher
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for misfire determination using synchronous corre...
Patent number
5,906,652
Issue date
May 25, 1999
Motorola Inc.
Donald Remboski
G01 - MEASURING TESTING
Information
Patent Grant
Method for controlling the level of oxygen stored by a catalyst wit...
Patent number
5,842,340
Issue date
Dec 1, 1998
Motorola Inc.
Kevin J. Bush
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for monitoring the performance of a catalytic converter usin...
Patent number
5,839,274
Issue date
Nov 24, 1998
Motorola, Inc.
Donald J. Remboski
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Adaptive transient fuel compensation for a spark ignited engine
Patent number
5,819,714
Issue date
Oct 13, 1998
Motorola Inc.
Kevin J. Bush
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ego based adaptive transient fuel compensation for a spark ignited...
Patent number
5,762,054
Issue date
Jun 9, 1998
Motorola Inc.
Darren A. Schumacher
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel control method and system with on-line learning of open-loop f...
Patent number
5,743,244
Issue date
Apr 28, 1998
Motorola Inc.
Kevin J. Bush
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
EGO based adaptive transient fuel compensation for a spark ignited...
Patent number
5,690,087
Issue date
Nov 25, 1997
Motorola Inc.
Darren A. Schumacher
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Adaptive transient fuel compensation for a spark ignited engine
Patent number
5,642,722
Issue date
Jul 1, 1997
Motorola Inc.
Darren A. Schumacher
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS