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Donald R. Haefner
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Troy, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Camshaft phaser arrangement for a concentrically arranged camshaft...
Patent number
10,400,638
Issue date
Sep 3, 2019
Schaeffler Technologies AG & Co. KG
Kevin Poole
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Fast acting switching valve train system for valve deactivation
Patent number
9,988,947
Issue date
Jun 5, 2018
Schaeffler Technologies AG & Co. KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Roller lifter lubrication guide
Patent number
9,334,767
Issue date
May 10, 2016
Schaeffler Technologies AG & Co. KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Cam follower for a valve drive of an internal combustion engine
Patent number
7,721,696
Issue date
May 25, 2010
Schaeffler KG
Matthew Evans
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Hydraulic valve play compensating element
Patent number
7,637,238
Issue date
Dec 29, 2009
Schaeffler KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Adjustable engine
Patent number
7,401,584
Issue date
Jul 22, 2008
Schaeffler KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve drive for changing the control timing of cam-actuate...
Patent number
7,380,531
Issue date
Jun 3, 2008
Schaeffler KG
Donald Haefner
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Variable cam follower for an internal combustion engine
Patent number
7,322,328
Issue date
Jan 29, 2008
Schaeffler KG
Donald R. Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic valve-lash-adjusting element (HVA)
Patent number
7,237,520
Issue date
Jul 3, 2007
Schaeffler KG
Donald R. Haefner
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Variable valve actuator for internal combustion engine
Patent number
6,694,934
Issue date
Feb 24, 2004
Eaton Corporation
David M. Preston
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Dislodging a throttle plate from ice formation
Patent number
6,641,111
Issue date
Nov 4, 2003
Eaton Corporation
Edwin D. Lorenz
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine cylinder pressure sensor with thermal compensation element
Patent number
6,487,898
Issue date
Dec 3, 2002
Eaton Corporation
Donald R. Haefner
G01 - MEASURING TESTING
Information
Patent Grant
Normalized misfire detection method
Patent number
5,758,307
Issue date
May 26, 1998
Eaton Corporation
Donald R. Haefner
G01 - MEASURING TESTING
Information
Patent Grant
Combustion chamber pressure transducer and method of making same
Patent number
5,559,280
Issue date
Sep 24, 1996
Eaton Corporation
John A. Kovacich
G01 - MEASURING TESTING
Information
Patent Grant
Travel limit stop for a motor driven actuator
Patent number
5,282,523
Issue date
Feb 1, 1994
Eaton Corporation
Robert S. Mueller
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine throttle servoactuator control system
Patent number
5,199,401
Issue date
Apr 6, 1993
Eaton Corporation
Walter K. O'Neil
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Dual mode electrical servoactuator
Patent number
5,161,504
Issue date
Nov 10, 1992
Eaton Corporation
Philip Guest
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Throttle cable intervention device
Patent number
5,152,360
Issue date
Oct 6, 1992
Eaton Corporation
Donald R. Haefner
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Spherical cam clutch for servoactuator
Patent number
5,138,211
Issue date
Aug 11, 1992
Eaton Corporation
Donald Haefner
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Torch ignitor for lean burn engines
Patent number
4,969,432
Issue date
Nov 13, 1990
Eaton Corporation
David H. Scharnweber
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electrode arrangement for establishing a sustained electrical arc
Patent number
4,970,427
Issue date
Nov 13, 1990
Eaton Corporation
David H. Scharnweber
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Throttle control servoactuator
Patent number
4,950,965
Issue date
Aug 21, 1990
Eaton Corporation
Andrew A. Kenny
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Split arm throttle cable intervention device
Patent number
4,940,109
Issue date
Jul 10, 1990
Eaton Corporation
David M. Preston
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for activating fuel prior to combustion
Patent number
4,865,003
Issue date
Sep 12, 1989
Eaton Corporation
David H. Scharnweber
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
CAMSHAFT PHASER ARRANGEMENT FOR A CONCENTRICALLY ARRANGED CAMSHAFT...
Publication number
20190170027
Publication date
Jun 6, 2019
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Kevin Poole
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
FAST ACTING SWITCHING VALVE TRAIN SYSTEM FOR VALVE DEACTIVATION
Publication number
20170198610
Publication date
Jul 13, 2017
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
ROLLER LIFTER LUBRICATION GUIDE
Publication number
20150136053
Publication date
May 21, 2015
Schaeffler Technologies GmbH & Co. KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Hydraulic valve play compensating element
Publication number
20080073608
Publication date
Mar 27, 2008
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Cam follower for a valve drive of an internal combustion engine
Publication number
20080022954
Publication date
Jan 31, 2008
Matthew Evans
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Adjustable Engine
Publication number
20070215088
Publication date
Sep 20, 2007
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable valve drive for changing the control timing of cam-actuate...
Publication number
20060219198
Publication date
Oct 5, 2006
Schaeffler KG
Donald Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable cam follower for an internal combustion engine
Publication number
20060118074
Publication date
Jun 8, 2006
INA-SCHAEFFLER KG
Donald R. Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Hydraulic valve-lash-adjusting element (HVA)
Publication number
20060016410
Publication date
Jan 26, 2006
Donald R. Haefner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
DISLODGING A THROTTLE PLATE FROM ICE FORMATION
Publication number
20030136935
Publication date
Jul 24, 2003
EATON CORPORATION
Edwin D. Lorenz
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS