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Class Information
Number: 440/89H
Name: Marine propulsion > Means for accomodating or moving engine fluids > Means for handling exhaust gas > Treating exhaust with a catalyst
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552586 |
Marine exhaust system with a downstream oxygen sensor located away from a water reversion liquid trajectory path |
Jun. 30, 2009 |
| 7387555 |
Apparatus and method for boat engine exhaust injection system |
Jun. 17, 2008 |
| 7314044 |
Marine emissions control |
Jan. 1, 2008 |
| 6884133 |
Catalyzer arrangement for outboard motor |
Apr. 26, 2005 |
| 6729921 |
Catalyzer arrangement in outboard motor |
May. 4, 2004 |
| 6632110 |
Exhaust catalyst for outboard motor engine |
Oct. 14, 2003 |
| 6612885 |
Exhaust system for watercraft |
Sep. 2, 2003 |
| 6565399 |
Watercraft catalytic exhaust system |
May. 20, 2003 |
| 6511355 |
Catalyst exhaust system |
Jan. 28, 2003 |
| 6119453 |
Feed back control utilizing catalyst |
Sep. 19, 2000 |
| 6120335 |
Catalytic exhaust system for watercraft |
Sep. 19, 2000 |
| 6068528 |
Watercraft engine control |
May. 30, 2000 |
| 6035633 |
Water jacketed exhaust pipe for marine exhaust systems |
Mar. 14, 2000 |
| 5983631 |
Exhaust control for watercraft engine |
Nov. 16, 1999 |
| 5916135 |
Engine exhaust emission control system in outboard engine system |
Jun. 29, 1999 |
| 5822985 |
Exhaust passage structure of outboard motor unit |
Oct. 20, 1998 |
| 5797775 |
Engine control system for a watercraft |
Aug. 25, 1998 |
| 5490382 |
Catalyzer support system for exhaust cleaning of outboard motor |
Feb. 13, 1996 |
| 5439651 |
Catalyzer support system for exhaust cleaning of outboard motor |
Aug. 8, 1995 |
| 5433634 |
Exhaust treatment for outboard motor |
Jul. 18, 1995 |
| 5425232 |
Marine propulsion device with means for supplying secondary air to catalytic converter |
Jun. 20, 1995 |
| 5408829 |
Outboard motor with means for supplying secondary to catalytic converter |
Apr. 25, 1995 |
| 5280708 |
Exhaust gas purifying device for an outboard motor |
Jan. 25, 1994 |
| 5239825 |
Exhaust emission control device for outboard motor |
Aug. 31, 1993 |
| 5212949 |
Exhaust gas cleaning system for a marine propulsion unit |
May. 25, 1993 |
| 5203167 |
Marine propulsion device internal combustion engine and method for making the same |
Apr. 20, 1993 |
| 5174112 |
Exhaust gas purifying device for an outboard motor |
Dec. 29, 1992 |
| 5167934 |
Catalyzer installation for boat engines and method for catalytic exhaust gas cleaning |
Dec. 1, 1992 |
| 4848082 |
Exhaust gas purifying device for marine engine |
Jul. 18, 1989 |
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