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Class Information
Number: 440/89B
Name: Marine propulsion > Means for accomodating or moving engine fluids > Means for handling exhaust gas > Water cooling exhaust
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7556548 |
Exhaust device for outboard motor |
Jul. 7, 2009 |
| 7552586 |
Marine exhaust system with a downstream oxygen sensor located away from a water reversion liquid trajectory path |
Jun. 30, 2009 |
| 7517266 |
Method and device for discharging exhaust gases of internal combustion engine of boats into the water surrounding the boats |
Apr. 14, 2009 |
| 7390232 |
Exhaust system for a marine engine |
Jun. 24, 2008 |
| 7367857 |
Exhaust structure for small watercraft |
May. 6, 2008 |
| 7361282 |
Separator of floating components |
Apr. 22, 2008 |
| 7343892 |
Air-cooled diesel outboard motor |
Mar. 18, 2008 |
| 7314044 |
Marine emissions control |
Jan. 1, 2008 |
| 7160161 |
Reduced pressure mixing device for marine vessel exhaust gas |
Jan. 9, 2007 |
| 7065961 |
Exhaust system with an integral moisture trap |
Jun. 27, 2006 |
| 7001231 |
Dual water injector for primary and idle relief exhaust passages |
Feb. 21, 2006 |
| 6976892 |
Water-cooled vertical engine, outboard motor equipped with water-cooled vertical engine, and outboard motor |
Dec. 20, 2005 |
| 6929520 |
Cooling method for a marine propulsion system |
Aug. 16, 2005 |
| 6820419 |
Marine wet exhaust system |
Nov. 23, 2004 |
| 6821171 |
Cooling system for a four cycle outboard engine |
Nov. 23, 2004 |
| 6808433 |
Exhaust system located on one side of the hull of a personal watercraft |
Oct. 26, 2004 |
| 6802750 |
Exhaust system for watercraft |
Oct. 12, 2004 |
| 6769944 |
Exhaust and drain structure for vessels |
Aug. 3, 2004 |
| 6764361 |
Personal watercraft |
Jul. 20, 2004 |
| 6752671 |
Water jet propulsion type outboard engine |
Jun. 22, 2004 |
| 6736687 |
Method for discharging waste gas from submarines without a signature |
May. 18, 2004 |
| 6659820 |
Jet-propulsion watercraft |
Dec. 9, 2003 |
| 6634913 |
Cooling arrangement for outboard motor |
Oct. 21, 2003 |
| 6120335 |
Catalytic exhaust system for watercraft |
Sep. 19, 2000 |
| 5671779 |
Exhaust pipe structure in outboard engine system |
Sep. 30, 1997 |
| 5644914 |
Exhaust pressure pulsation control apparatus for a marine propulsion system |
Jul. 8, 1997 |
| 5463990 |
Outboard motor with four-stroke engine and exhaust gas discharge system therefor |
Nov. 7, 1995 |
| 5212949 |
Exhaust gas cleaning system for a marine propulsion unit |
May. 25, 1993 |
| 5149284 |
Exhaust system for an outboard motor |
Sep. 22, 1992 |
| 5035664 |
Marine propulsion device gear arrangement |
Jul. 30, 1991 |
| 5006085 |
Marine propulsion device with removable clutch assembly |
Apr. 9, 1991 |
| 4993979 |
Marine propulsion device |
Feb. 19, 1991 |
| 4959033 |
Marine propulsion device cover arrangement |
Sep. 25, 1990 |
| 4504238 |
Fluid cooler for marine drives |
Mar. 12, 1985 |
| 4350010 |
Exhaust system for an outboard engine |
Sep. 21, 1982 |
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