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Jon W. Harwood
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Toledo, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Equal length Y-collector
Patent number
8,402,756
Issue date
Mar 26, 2013
Faurecia Exhaust Systems, Inc.
David R. Luce
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Muffler with internal heat shield
Patent number
7,273,129
Issue date
Sep 25, 2007
Faurecia Exhaust Systems, Inc.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method of manufacturing an exhaust muffler with stamp formed intern...
Patent number
5,907,904
Issue date
Jun 1, 1999
AP Parts Manufacturing Company
James E. Gerber
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Muffler with stamped internal plates defining tubes and separating...
Patent number
5,859,394
Issue date
Jan 12, 1999
AP Parts Manufacturing Company
Christian Seehaus
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Automotive bumper and muffler combination
Patent number
5,726,398
Issue date
Mar 10, 1998
AP Parts Manufacturing Company
Wolfgang Zahn
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Exhaust mufflers with stamp formed internal components and method o...
Patent number
5,717,173
Issue date
Feb 10, 1998
AP Parts Manufacturing Company
James E. Gerber
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed muffler with nested chambers
Patent number
5,597,986
Issue date
Jan 28, 1997
AP Parts Manufacturing Company
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed muffler with siphon tube
Patent number
5,563,385
Issue date
Oct 8, 1996
AP Parts Manufacturing Company
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed muffler with integral evacuation tube
Patent number
5,563,383
Issue date
Oct 8, 1996
Apparts Manufacturing Company
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method of manufacturing a stamp formed muffler with hermetically se...
Patent number
5,448,831
Issue date
Sep 12, 1995
AP Parts Manufacturing Company
Jon W. Harwood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Narrow width stamp formed muffler
Patent number
5,428,194
Issue date
Jun 27, 1995
AP Parts Manufacturing Company
James W. Emrick
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed muffler with low back pressure
Patent number
5,173,577
Issue date
Dec 22, 1992
AP Parts Manufacturing Co.
Michael W. Clegg
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed muffler with compound reinforcement pattern for preven...
Patent number
5,164,551
Issue date
Nov 17, 1992
AP Parts Manufacturing Co.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus for manufacturing stamp formed mufflers
Patent number
5,042,125
Issue date
Aug 27, 1991
AP Parts Manufacturing Company
Jon W. Harwood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Stamp formed muffler with transverse baffle tube
Patent number
5,004,069
Issue date
Apr 2, 1991
AP Parts Manufacturing Company
Bennie A. Van Blaircum
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Process for manufacturing stamp formed mufflers
Patent number
4,928,372
Issue date
May 29, 1990
AP Parts Manufacturing Company
Jon W. Harwood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Stamp formed muffler with reinforced outer shell
Patent number
4,924,968
Issue date
May 15, 1990
AP Parts Manufacturing Company
Walter G. Moring
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed exhaust muffler with conformal outer shell
Patent number
4,909,348
Issue date
Mar 20, 1990
AP Parts Manufacturing Company
Jon W. Harwood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Stamp formed mufflers
Patent number
4,901,815
Issue date
Feb 20, 1990
Parts Manufacturing Company
Jon W. Harwood
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Stamp formed muffler and catalytic converter assembly
Patent number
4,894,987
Issue date
Jan 23, 1990
AP Parts Manufacturing Company
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method of manufacturing stamp formed mufflers
Patent number
4,847,965
Issue date
Jul 18, 1989
AP Parts Manufacturing Company
Jon W. Harwood
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Plural chamber stamp formed muffler with single intermediate tube
Patent number
4,836,330
Issue date
Jun 6, 1989
AP Industries, Inc.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed exhaust muffler with conformal outer shell
Patent number
4,821,840
Issue date
Apr 18, 1989
AP Parts Manufacturing Company
Jon W. Harwood
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Apparatus for machining a bent elongated member of variable configu...
Patent number
4,806,726
Issue date
Feb 21, 1989
AP Industries, Inc.
Bruno A. Rosa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for manufacturing an exhaust manifold
Patent number
4,777,708
Issue date
Oct 18, 1988
AP Industries, Inc.
Jon Harwood
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Stamp formed muffler with multiple low frequency resonating chambers
Patent number
4,765,437
Issue date
Aug 23, 1988
AP Industries, Inc.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Exhaust muffler with angularly aligned inlets and outlets
Patent number
4,760,894
Issue date
Aug 2, 1988
AP Industries, Inc.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Tube and chamber construction for an exhaust muffler
Patent number
4,759,423
Issue date
Jul 26, 1988
AP Industries, Inc.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Stamp formed muffler
Patent number
4,736,817
Issue date
Apr 12, 1988
AP Industries, Inc.
Jon Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Precision bending apparatus and process
Patent number
4,732,025
Issue date
Mar 22, 1988
AP Industries, Inc.
Terrance C. Marlinga
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
EQUAL LENGTH Y-COLLECTOR
Publication number
20090266066
Publication date
Oct 29, 2009
Faurecia Exhaust Systems, Inc.
David R. Luce
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Muffler with internal heat shield
Publication number
20050051383
Publication date
Mar 10, 2005
Faurecia Exhaust Systems, Inc.
Jon W. Harwood
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES