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Class Information
Number: 440/89G
Name: Marine propulsion > Means for accomodating or moving engine fluids > Means for handling exhaust gas > High and low speed exhaust pressure relief or outlet location condition responsive
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7513811 |
Idle exhaust structure for outboard motor |
Apr. 7, 2009 |
| 7195528 |
Outboard motor exhaust system |
Mar. 27, 2007 |
| 6966284 |
Outboard motor |
Nov. 22, 2005 |
| 6783413 |
Exhaust system for outboard motor |
Aug. 31, 2004 |
| 5954022 |
Oil pan mounting arrangement for four cycle outboard motor |
Sep. 21, 1999 |
| 5470263 |
Method and apparatus for improving reverse thrust of a marine drive |
Nov. 28, 1995 |
| 5298794 |
Electrical anticorrosion device for marine propulsion device |
Mar. 29, 1994 |
| 4995233 |
Automatically controlled exhaust assembly for marine stern drive |
Feb. 26, 1991 |
| 4965997 |
Exhaust system for outboard motor |
Oct. 30, 1990 |
| 4960398 |
Stern drive marine propulsion system with automatic trim control and exhaust control |
Oct. 2, 1990 |
| 4773215 |
Exhaust control assembly for marine stern drive |
Sep. 27, 1988 |
| 4036162 |
Marine propulsion device having increased reverse thrust |
Jul. 19, 1977 |
| 3967446 |
Exhaust relief silencing apparatus for marine propulsion systems |
Jul. 6, 1976 |
| 3943876 |
Water jet boat drive |
Mar. 16, 1976 |
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