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Class Information
Number: 440/89C
Name: Marine propulsion > Means for accomodating or moving engine fluids > Means for handling exhaust gas > Water cooling exhaust > Jackets for pipe, exhaust manifold or expansion chamber
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625257 |
Exhaust gas recirculation cooling system for an engine of an outboard motor |
Dec. 1, 2009 |
| 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 |
| 7523735 |
Multiple-cylinder engine for outboard motor |
Apr. 28, 2009 |
| 7517266 |
Method and device for discharging exhaust gases of internal combustion engine of boats into the water surrounding the boats |
Apr. 14, 2009 |
| 7484479 |
Water-cooled internal combustion engine |
Feb. 3, 2009 |
| 7390232 |
Exhaust system for a marine engine |
Jun. 24, 2008 |
| 7367857 |
Exhaust structure for small watercraft |
May. 6, 2008 |
| 7217168 |
Engine exhaust system |
May. 15, 2007 |
| 7065961 |
Exhaust system with an integral moisture trap |
Jun. 27, 2006 |
| 6913499 |
Exhaust passage of small watercraft, method of connecting exhaust pipe, and water muffler |
Jul. 5, 2005 |
| 6890228 |
Outboard motor equipped with water-cooled engine |
May. 10, 2005 |
| 6800004 |
Marine exhaust cooling system |
Oct. 5, 2004 |
| 6769944 |
Exhaust and drain structure for vessels |
Aug. 3, 2004 |
| 6659820 |
Jet-propulsion watercraft |
Dec. 9, 2003 |
| 6612885 |
Exhaust system for watercraft |
Sep. 2, 2003 |
| 6582263 |
Marine exhaust elbow structure with enhanced water drain capability |
Jun. 24, 2003 |
| 6511355 |
Catalyst exhaust system |
Jan. 28, 2003 |
| 6027384 |
Four-cycle engine for a small jet boat |
Feb. 22, 2000 |
| 5975033 |
Water-cooled engine |
Nov. 2, 1999 |
| 5937802 |
Engine cooling system |
Aug. 17, 1999 |
| 5846102 |
Four-cycle engine for a small jet boat |
Dec. 8, 1998 |
| 5803036 |
Engine for outboard motor |
Sep. 8, 1998 |
| 5797775 |
Engine control system for a watercraft |
Aug. 25, 1998 |
| 5746054 |
Method and apparatus for tuned pipe water injection |
May. 5, 1998 |
| 5746270 |
Heat exchanger for marine engine cooling system |
May. 5, 1998 |
| 5740670 |
Water jacketed exhaust pipe for marine exhaust systems |
Apr. 21, 1998 |
| 5544631 |
Cylinder head construction for outboard motor with four-stroke engine |
Aug. 13, 1996 |
| 5251439 |
Exhaust device for small sized boat engine |
Oct. 12, 1993 |
| 5036804 |
Cooling system for four stroke outboard motor |
Aug. 6, 1991 |
| 4989409 |
Exhaust device for small sized boat engine |
Feb. 5, 1991 |
| 4927390 |
Gas exhaustion device for inboard/outboard engine |
May. 22, 1990 |
| 4887692 |
Noise reducing device for marine propulsion |
Dec. 19, 1989 |
| 4831822 |
Exhaust system for marine engine |
May. 23, 1989 |
| 4768983 |
Power drive assembly for outboard engines |
Sep. 6, 1988 |
| 4583953 |
Outboard motor |
Apr. 22, 1986 |
| 4554892 |
Water-cooled diesel engine for use as outboard engine |
Nov. 26, 1985 |
| 4239013 |
Propelling means |
Dec. 16, 1980 |
| 4015429 |
Outboard motor for reducing exhaust gas pollutants |
Apr. 5, 1977 |
| 3968767 |
Marine propulsion device adapted for a sailboat |
Jul. 13, 1976 |
| 3948206 |
Jet powered watercraft |
Apr. 6, 1976 |
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