JH

Jon W. Harwood

AM Ap Parts Manufacturing: 20 patents #1 of 24Top 5%
AI Ap Industries: 12 patents #1 of 17Top 6%
AG Apx Group: 6 patents #1 of 13Top 8%
📍 Toledo, OH: #10 of 1,470 inventorsTop 1%
🗺 Ohio: #1,036 of 73,341 inventorsTop 2%
Overall (All Time): #76,884 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
8402756 Equal length Y-collector David R. Luce, Raymond Morelli, Jr., William W. Brown 2013-03-26
7273129 Muffler with internal heat shield 2007-09-25
5907904 Method of manufacturing an exhaust muffler with stamp formed internal components James E. Gerber, Bruno A. Rosa 1999-06-01
5859394 Muffler with stamped internal plates defining tubes and separating chambers Christian Seehaus, Stephen E. Jochum 1999-01-12
5726398 Automotive bumper and muffler combination Wolfgang Zahn 1998-03-10
5717173 Exhaust mufflers with stamp formed internal components and method of manufacture James E. Gerber, Bruno A. Rosa 1998-02-10
5597986 Stamp formed muffler with nested chambers Bennie A. Van Blaircum 1997-01-28
5563383 Stamp formed muffler with integral evacuation tube 1996-10-08
5563385 Stamp formed muffler with siphon tube 1996-10-08
5448831 Method of manufacturing a stamp formed muffler with hermetically sealed laminated outer shell 1995-09-12
5428194 Narrow width stamp formed muffler James W. Emrick 1995-06-27
5173577 Stamp formed muffler with low back pressure Michael Clegg, Robert A. Kohntopp 1992-12-22
5164551 Stamp formed muffler with compound reinforcement pattern for preventing shell ring Michael Clegg 1992-11-17
5042125 Apparatus for manufacturing stamp formed mufflers Wayne A. Karlgaard, Michael Clegg 1991-08-27
5004069 Stamp formed muffler with transverse baffle tube Bennie A. Van Blaircum, Mark S. Kimmet 1991-04-02
RE33370 Stamp formed muffler 1990-10-09
4928372 Process for manufacturing stamp formed mufflers Wayne A. Karlgaard, Michael Clegg 1990-05-29
4924968 Stamp formed muffler with reinforced outer shell Walter G. Moring, III 1990-05-15
4909348 Stamp formed exhaust muffler with conformal outer shell Walter G. Moring, III, Paul E. Larkins 1990-03-20
4901815 Stamp formed mufflers Wayne A. Karlgaard 1990-02-20
4894987 Stamp formed muffler and catalytic converter assembly Michael Clegg, Bruno A. Rosa 1990-01-23
4847965 Method of manufacturing stamp formed mufflers Wayne A. Karlgaard 1989-07-18
4836330 Plural chamber stamp formed muffler with single intermediate tube Mark S. Kimmet 1989-06-06
4821840 Stamp formed exhaust muffler with conformal outer shell Walter G. Moring, III 1989-04-18
4806726 Apparatus for machining a bent elongated member of variable configuration Bruno A. Rosa, Walter G. Moring, III, Peter L. Resuggan 1989-02-21