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Class Information
Number: 114/55.51
Name: Ships > Motorized self-propelled waterski or waterscooter-type vehicle (e.g., personal watercraft, etc.) > Having hull compartment drain or vent
Description: Subject matter wherein the hull includes means (a) to permit the escape of liquid from an enclosed area in the hull or (b) to permit the ingress or egress of a gas, e.g., air, etc.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8302632 Mount structure of two-way valve for fuel tank of small boat Nov. 6, 2012
8096521 System and method for outboard motor stabilization Jan. 17, 2012
7856937 Personal watercraft ballast Dec. 28, 2010
7731553 Watercraft propelled by a water jet Jun. 8, 2010
7617789 Rear platform geometry Nov. 17, 2009
7255617 Personal watercraft incorporating capsize-recovery facilitating structure, and method of using same Aug. 14, 2007
7186154 Security system for watercraft Mar. 6, 2007
7117806 Personal watercraft Oct. 10, 2006
6895880 Access port deck structure for a personal watercraft May. 24, 2005
6855019 Jet propulsion watercraft Feb. 15, 2005
6729257 Personal watercraft May. 4, 2004
6623321 Air induction system for small watercraft Sep. 23, 2003
6553928 Small watercraft having an improved structure of storage compartment Apr. 29, 2003
6544084 Induction system for small watercraft Apr. 8, 2003
6435119 Watercraft ventilation system Aug. 20, 2002
6435924 Air induction system for small watercraft Aug. 20, 2002
6375527 Ventilation system for small watercraft Apr. 23, 2002
6276290 Small watercraft having an improved structure of storage compartment Aug. 21, 2001
6244913 Propulsion unit assembly for personal watercraft Jun. 12, 2001
6205942 Bulkhead structure for personal watercraft Mar. 27, 2001
6139381 Engine air supply conduit for watercraft Oct. 31, 2000
6089932 Small watercraft Jul. 18, 2000
5957740 Damper for a personal watercraft Sep. 28, 1999
5954553 Watercraft with catalytic exhaust system Sep. 21, 1999
5951343 Engine lubricating system for watercraft Sep. 14, 1999
5921198 Small watercraft hull Jul. 13, 1999
5743206 Hull for small watercraft Apr. 28, 1998
5727494 Amphibious vehicle Mar. 17, 1998
5702276 Watercraft catalytic exhaust system Dec. 30, 1997
5699749 Exhaust system, hull, and speed indicator for watercraft Dec. 23, 1997
5676575 Exhaust system for watercraft Oct. 14, 1997
5628269 Jump pump arrangement for jet boat May. 13, 1997
5593329 Water injection propulsion device Jan. 14, 1997
RE35351 Ride plate for personal watercraft Oct. 15, 1996
5562509 Watercraft catalytic exhaust system Oct. 8, 1996
5536189 Exhaust system for watercraft Jul. 16, 1996
5474007 Control system for watercraft Dec. 12, 1995
5429534 Personal watercraft garment heating system Jul. 4, 1995
5419271 Bilge pump control system for personal watercraft May. 30, 1995
5390621 Watercraft Feb. 21, 1995
5389022 Jet boat Feb. 14, 1995
5377609 Handle pole with integral gas spring for jet skis Jan. 3, 1995
5324217 Exhaust system for small boat Jun. 28, 1994
5255625 Watercraft Oct. 26, 1993
5176548 Ride plate for personal watercraft Jan. 5, 1993
4984528 Venting and drain arrangement for small watercraft Jan. 15, 1991
4982682 Hull construction for small watercraft Jan. 8, 1991
4850908 Drawing away device of bilge water for water jet propulsion Jul. 25, 1989
4787328 Drawing away device of bilge water for water jet propulsion Nov. 29, 1988
4678442 Apparatus responsive to shortage of coolant in an engine of a boat Jul. 7, 1987

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