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Class 114/197 - Boat plugs


Subclass of Class 114 - Ships
Definition: Plugs having valves therein adapted to fit in the bottom
No. of patents: 56
Last issue date: 03/20/2012


1    
NumberTitleIssue Date
8136466Self-bailing watercraft valve
A valve for use in combination with a self-bailing hole of a watercraft includes a flange, a skirt, a valve member, a retention member, and a base member. The flange has a central aperture opening into a hollow interior of the skirt. The hollow interior contains the...
03/20/2012
7946238Ensuring installation of drain plug when launching aquatic vessel
An auxiliary strap, connected to a tie-down strap for securing a boat to a trailer, is removably anchored to a drain opening in the boat, by being connected to a tethered drain plug, or by being connected to a spring clip that extends into the drain opening. The con...
05/24/2011
7942105Foot operated scupper plug
A scupper plug apparatus is foot-operable, by a person standing next to the scupper, to apply substantially more force for sealing the scupper than is typically achievable through application of force by the hand or arm of a person installing a scupper plug. A resil...
05/17/2011
7699013Deployable through-hull scoop
A water uptake device for directing water flow into a moving boat that allows the volume and pressure of the water flow entering the device to be adjusted from full force to no flow at all by simple adjustment of how much of its scooping member protrudes beyond its ...
04/20/2010
7699012Apparatus for plugging a seacock externally
This invention is directed to an irregular in shape thru-hull fitting with specifically an internal seacock which is below the normal waterline of a marine vessel and this invention provides an exterior plug to stop leakage and/or allow for maintenance of the interi...
04/20/2010
7434528Self draining boat plug
The present invention provides an improved self draining boat plug which does not need to be repetitively removed and reinserted into a boat. The boat plug is specifically designed to allow water to escape from the boat while the boat is at cruising speed or removed...
10/14/2008
7341015Watercraft drain
A watercraft drain assembly has a tubular drain body having a first end and a second end, at least one inlet opening disposed on the drain body for allowing water to enter the drain body, a first outlet opening disposed at the first end of the drain body for allowin...
03/11/2008
7316195Drain plug retention system
Disclosed is a drain plug retention system comprising a drain plug configured to open and close a drain hole located in the transom of a boat; a drain plug wrench configured to facilitate the removal and restoration of the drain plug with respect to the drain hole; ...
01/08/2008
7191722Boat drain plug absence detector
For indicating the absence of a drain plug from a boat drain when the boat is in a launch condition, a receptacle with a water flow passage and a cavity containing a Hall effect switch is mounted in the boat drain. A stopper has a magnet which operatively aligns wit...
03/20/2007
7191723Transom plug removal device and method
A transom plug removal device includes a rod that has a first end a second end. A handle is attached to the second end of the rod. A head has an opening therein adapted for receiving a grip of a transom plug. The head is attached to and extends away from the first e...
03/20/2007
7152546Boat drain plug system
A boat drain plug system for attachment to a drain hole within a boat hull, the system including a flange including a threaded sleeve that fits within the drain hole and a threaded opening, a cylindrical drain plug adapted for individually coupling with the threaded...
12/26/2006
7140316Boat drain valve
A boat drain valve which incorporates a valve to open and close the drain valve. The drain valve is connected to the boat hull in a manner that provides a straight channel through the drain valve. A handle with an extension positions the grip of the handle in a loca...
11/28/2006
7121526Drain plug assembly
A drain plug for a threaded opening in a fluid container that is particularly suited for transom drains in recreational boats. The plug has an externally threaded cylindrical body with a central channel and transverse openings to permit fluid to flow from the centra...
10/17/2006
6973891Dual seal self-closing boat drain plug apparatus
The present invention is a drain plug assembly designed and configured to remain in the drain hole of a conventional pleasure boat, regardless of whether the vessel is in or out of the water. This drain plug assembly includes a body assembly having a single chamber....
12/13/2005
6928943Boat plug key system
Embodiments of the present invention provide a boat plug key system for storing, installing, and removing a boat plug consist of a canister, a canister lid, and a boat plug. The use of a boat plug key system of the present invention reduces the probability of forget...
08/16/2005
6761122Stand-up type personal watercraft
Disclosed is a stand-up type personal watercraft capable of easily discharging water in an engine room of a body that is limited in space even when the watercraft is beached. The stand-up type personal watercraft comprises a bulkhead 12 that defines an engine...
07/13/2004
6736081Bilge management and control system of a vessel
A bilge management and control system for a vessel having a full port through-transom threaded pipe fitting located near the lowest point of the interior of a vessel and ending in a flange mounted against the exterior transom wall, with the means for sealing the int...
05/18/2004
6634312One-way self-closing drain plug apparatus
The present invention is a drain plug apparatus designed and configured to remain in the drain hole of a conventional pleasure water vessel, regardless of whether the vessel is in or out of the water. This drain plug apparatus includes a body assembly hav...
10/21/2003
6615760Boat drain plug
An automatically sealing boat draining device to be mounted in a hole passing through the transom of a boat, includes: a cylindrical housing with a drain hole; a ball valve assembly mounted within and removable from the drain hole; and a plug for sealing ...
09/09/2003
6604481Method and apparatus for permitting passage of conduits through hull of boat
A method and apparatus is disclosed for permitting the passage of conduits through the hull of a boat without the creation of additional holes. A conduit-accommodating passageway is defined through the boat's scupper which bypasses the check valve that is...
08/12/2003
6477971Bilge drainage system
A bilge drainage system for a boat having a through-transom drainage passageway has a through-transom pipe connected to an externally-mounted flange and connected internally to a manually or electronically operated stopcock located near the bottom of the ...
11/12/2002
6357376Boat drain assembly
The present invention relates to boats and watercraft and, more particularly, concerns an improved drain assembly for draining water out of interior compartments of boats and watercraft while preventing water from entering the interior compartment when th...
03/19/2002
6338309Inboard motorboat bilge drainage system
An improved bilge drain system for an inboard motorboat is disclosed having a drain closure assembly that is operated from a position external to the engine compartment. The drain closure can be a valve operable by a handle, wherein the handle is accessib...
01/15/2002
6237639Dump-valve device for a craft and pneumatic craft fitted with same
A dump-valve device for a craft, characterized in that it comprises: a plug valve (13) movable approximately rectilinearly relative to a fixed seat (17) supported by a craft transom plate (3), drive means (9, 10) mobile in rotation along a rotary stroke o...
05/29/2001
6227132Boat drain plug with cable tether
A boat drain plug with cable tether including a cylindrical plug portion adapted for coupling with the drain of the boat. The cylindrical plug portion has an upper end, a lower end, and a cylindrical side wall therebetween. The upper end has a block secur...
05/08/2001
6050867Drain system for marine vessel
A drain system is provided for a marine vessel in which three types of drain operations can be performed at one common location near the transom of the marine vessel. A multiple conduit structure is provided with a plurality of fluid passages extending at...
04/18/2000
5966080Drain plug warning system
A drain plug warning system includes a first member that can be attached to a transom or other wall of a watercraft and a second member that is shaped to be received within an aperture that is formed through the first member. To drain water from the water...
10/12/1999
5727820Side-mounted "L" shaped flange
A flange for a drain pipe extending from the side of a large, flat-bottomed, open container, such as the cockpit of a boat, has its upper portion fitted along the inside of the side of the cockpit, but the lower portion of the flange is bent inwards along...
03/17/1998
5724908Remote controlled boat drain valve
A remote activated boat drain valve to drain the boat's bilge quickly from inside the boat without getting wet. The remote controlled boat drain valve also allows for the operator to drain the bilge quickly and easily while the boat is moving rapidly. The...
03/10/1998
5722339Drip control fitting
A drip control marine fitting for passage of liquid through an opening in the hull of a marine vessel has a hollow tube extending through an opening through the hull, a flange attached to the tube and an opening through the flange to allow flow of fluid o...
03/03/1998
5460111Boat transom drain hole plug
A boat plug to seal the hole in a boat's transom is disclosed. The plug provides a flexible rubber stopper having an axial channel that is inserted into the transom hole. A plug bolt and a plug nut are threadedly engaged inside the rubber stopper. A sprin...
10/24/1995
5385108Automatic transom scupper valve
An automatic valve is attached to the lower edge of the transom of a boat. The valve is a short tubular device that is aligned with a hole in the transom and mounted on the transom in a substantially horizontal plane, in a watertight manner. The inner end...
01/31/1995
5182556Drain plug absence indicator
Apparatus for indicating the absence of a drain plug in a boat drain when the boat is in a launch condition includes an electrically activated alarm connected in series with an electrical power source and a control circuit for connecting and disconnecting...
01/26/1993
5176097Self bailing boat
A boat has enclosed flotation within a closed bilge or floor of the boat, which is internally raised so that the interior floor of the vessel is slightly above the normal operating water line level of the vessel. The boat has bilge drain valves of a size ...
01/05/1993
5162793Drain plug absence indicator
Apparatus for indicating the absence of a drain plug in a boat drain when the boat is in a launch condition includes an electrically activated alarm connected in series with an electrical power source and a control circuit for connecting and disconnecting...
11/10/1992
5048556Transom-mounted valve with remote actuator
The transom-mounted valve includes a valve sleeve disposed in the drain port of a boat transom and carrying a valve stem for axial movement. The valve stem includes a valve head movable with the stem between valve-open and valve-closed positions. A cap is...
09/17/1991
5047753Drain plug position indicator apparatus
An apparatus including a plug detector mechanism mounted adjacent an interior surface of a drain plug aperture directed through a transom of a boat. The detecting means includes a spring-biased switch positionable from an extended position in the absence ...
09/10/1991
5018470Linear actuated valve with remote actuation
The remotely operated linear actuated valve includes a sleeve open at one end with radial ports about the sleeve. A valve seat is disposed between the open end and the ports. A valve member is slidable axially in the sleeve. Slots are formed through the s...
05/28/1991
4986777Marine engine oil drainage device
A marine engine oil drainage device and combination are provided for gravitating oil from the oil pan of an inboard marine engine. The discharge device includes a tubular casing which is snugly disposed within the drainage port in the stern of the vessel....
01/22/1991
4930657Floatable drain plug
A drain plug, which has a hollow cylindrical body, an expander assembly within the body and a manually manipulatable handle, is fabricated of a material such that the drain plug floats. The handle is connected to the expander assembly and when the handle ...
06/05/1990
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