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Class 441/135 - BUOYANCY UNDERWATER VIEWING DEVICE


Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Device facilitating below the surface observations usually including
No. of patents: 43
Last issue date: 04/19/2011


1    
NumberTitleIssue Date
7927164Underwater viewing unit for an air mattress
An underwater viewing unit includes a tube insertable into a through-hole of an air mattress, a rest for the viewer's head provided at the lower end of the tube, and a transparent panedisposed within the tube. The head rest is formed by an inflatable beaded body con...
04/19/2011
7547238Floatable water board with underwater viewing assembly
A floatable water board for supporting at least an upper body portion of a user person lying on the board when in a body of water is described. The board is formed of a flotation body constructed of buoyant material. The flotation body defines a bow end portion, a s...
06/16/2009
7007628Watercraft and viewing system kit
An improved watercraft having a viewing system, and a kit for installing a viewing system in an existing watercraft. The watercraft includes a viewing opening through a portion of the bottom of the hull and a viewing system is attached thereto. The viewing system in...
03/07/2006
6900954Viewing enhanced apparatus for visibility impaired fluid
Viewing enhancing apparatus for visibility impaired fluid, such as turbid water or a smoke-filled room, includes a fluid-permeable sidewall and a housing defining a confluence cavity having an axis extending between first and second housing ends. The housing ends ar...
05/31/2005
6892672Apparatus for breeding fish in open sea
Fish-breeding apparatus (10), which comprises a frame, supporting one or a plurality of breeding cages (11) and provided with hollow buoyancy elements (17), and at least one device for controlling the buoyancy of the apparatus by filling, totall...
05/17/2005
6572424Personal swim craft with an underwater viewing area
A personal swim craft that has a liquid filled viewing area that is simply and inexpensively created within the craft requiring no tooling for molds or related costs. A walled cavity through the craft is sealed at its upper and lower openings with transpa...
06/03/2003
6394868Floatation device for a child
A floatation device for a child having a buoyant board, with generally parallel top and bottom surfaces, and with a child opening in about the middle of the board. A child seat is provided beneath the opening attached to the board for supporting a child i...
05/28/2002
6293841Foldable under water viewing window
A floating window for viewing underwater life, which has an unfolded viewing configuration and a folded storage configuration for transport and/or storage. Floating end walls are attached to a central viewing window and have sufficient buoyancy to prevent...
09/25/2001
6241569Sea windows for rafts
An underwater observation device in combination with a buoyant craft provides an observer with a clear and unobstructed view of underwater scenes. The underwater observation device comprises an upper transparent window, a lower transparent window, and a b...
06/05/2001
6076479Device to observe the sea bed from the deck of a vessel
A device to observe the sea bed from the deck of a vessel is formed by a cubicle that has attachment points to attach it to the structure of the stern of the vessel. This cubicle has a vertical wall that forms a sealed block on the bottom wall of which ar...
06/20/2000
6033276Personal water vehicle
A personal water vehicle (12) comprising a structure (14) for supporting a person (16) in a prone position above an upper surface of a body of water (18). A facility (20) is for steering the supporting structure (14) in the body of water (18), using manua...
03/07/2000
5954558Underwater viewing device
An underwater viewing device for use during ice fishing for permitting a user to see underwater through a hole in the ice. The device includes a viewing tube having open top and bottom ends. An annular resting flange is disposed around the viewing tube. A...
09/21/1999
5685753Floating device
A floating device, used as a floating chair, for supporting a user over a body of water and having three sections: first, second and third sections, where the second section includes two bays to cooperatively receive a user's legs when she or he sits down...
11/11/1997
5678091Turbid water displacement viewer for vidio and the like
A viewer and system for observing under water objects where conditions are turbid, characterized by a chamber open at one end adapted to interface with a field of view and closed by a window at the other viewing end where clear water is pumped into the ch...
10/14/1997
5672082Floating underwater viewing device
The present invention is a floating underwater viewing device having a column with a first and a second end, and a first viewing window and a second viewing window. The first viewing window is integrally formed with the first end of the column, and the se...
09/30/1997
5599220Method and apparatus for viewing objects underwater
A method and apparatus for viewing beneath the surface of water, to be used by a person or persons located either in or out of the water. A transparent convex or concave element is located in a bouyant cavity such that when the cavity is filled with water...
02/04/1997
5595133Underwater viewing surface watercraft
An air-to-water surface operating underwater viewing craft which succeeds in providing man with both speed and the same extravagant vision for underwater viewing that he/she possesses above the water with respect to field of view and clarity. This is achi...
01/21/1997
5476055Watercraft with underwater viewing port
Watercraft has a hull with a viewing opening therein extending between upper and lower portions of the hull. A transparent viewing unit is fitted within the viewing opening and has a periphery spaced apart from side wall of the viewing opening to define a...
12/19/1995
5447459Underwater viewing board
A buoyant board for viewing underwater objects while an observer is lying in a prone position is of seamless, unitary construction, and has a viewing well extending through the body of the board that is integrally formed with the body. The body may be for...
09/05/1995
5399111Watercraft
A small water powered surface watercraft that is very compact in nature inasmuch as it has only a partial deck for accommodating the upper torso of a rider and passenger in side by side fashion. The watercraft is powered by an electric motor and battery c...
03/21/1995
5145431Aquatic viewing apparatus
A novel aquatic viewing apparatus is provided for placement on the face of a user which comprises a transparent member positioned in an annular structure of closed cell plastic foam having an inside cylindrical wall and an outside cylindrical wall connect...
09/08/1992
5074816Multipurpose boat bucket
A multiple purpose bucket (10 or 110) can be used as a floatation device, an underwater viewing device, or a bailer. The bucket (10 or 110) includes a body (12 or 112), an open top (14 or 114), a clear plastic bottom (16 or 116), and a base (20 or 120). T...
12/24/1991
4973279Appliance for assisting a swimmer swim, float and/or being towed behind a boat
The appliance for assisting a swimmer in swimming, floating and being towed by a boat, includes a substantially board-shaped floating body having a leading edge and a trailing edge each of which have a V-shaped cross section. The floating body has a glass...
11/27/1990
4946412Swimming aid
A swimming aid comprises a floating body and a bottom viewer and may be used at a swimming pool or in the sea. The floating body is U-shaped in cross section and has a hood at the top thereof. The floating portion buoyantly supports the upper half of the ...
08/07/1990
4925417Underwater viewing paddle board
An apparatus for underwater surveillance that consists of a floating platform having bow and stern with an aerodynamically true forward cowl formed on the bow end, the forward approximately one-third of the platform. Immediately aft of the cowl there is d...
05/15/1990
4897064Head-fitting swimming apparatus
A swimmer's face mask (1) comprising a visor (3, 4 and 5), a holder (6) for the visor (3, 4 and 5) and a strap (7) for attaching the holder (6) to the face of a swimmer. The visor (3, 4 and 5) is of transparent plastic material and has two laterally exten...
01/30/1990
4895539Underwater viewing device
The invention relates to an underwater viewing device wherein a viewer can immerse the lower portion thereof into a body of water and view clear, undistorted images of objects which appear immediately below the underwater viewing device. The underwater vi...
01/23/1990
4876756Air mattress
A posture supporting device for supporting a person lying on said device in water or on land in a manner to minimize postural strain comprises an inflatable mattress having attached thereto an inflatable lumbar elevation cushion. The cushion elevates a pe...
10/31/1989
4850914Skim board
A skim board for use in the shallow water at the edge is illustrated as having a body constructed of a clear, transparent plastic sheet having a concave surface at the top for the feet of the user and a convex surface at the bottom. A pattern in bright co...
07/25/1989
4844595Viewing device for flotation body
In accordance with the present invention a viewing device for flotation bodies is provided which comprises a body having an interior defined by its side walls and at least one transparent end wall. In one embodiment using two transparent end walls, the tr...
07/04/1989
4840592Power driven underwater viewing platform
An underwater viewing platform is described which has a stern mounted electric drive motor whose direction and speed may by varied by forward mounted controls located adjacent the prone-lying operator's hands near a large forward mounted viewing window. A...
06/20/1989
4803876Sight glass for observing lubricant in the lower gearcase of marine engines
Apparatus for providing a sight glass in the lower gearcase of a marine engine wherein the gearcase has a circular opening in its side. The circular opening has three concentric segments, the outermost segment has the largest diameter and is internally th...
02/14/1989
4757710Sight glass for observing lubricant in the lower gearcase of marine engines
A sight glass assembly for observing the lubricant in the lower gearcase of a marine engine. The assembly is designed to be bonded into a circular hole in the lower gearcase housing and includes a window retaining ring which is bonded to the gearcase hous...
07/19/1988
4723329Air mattress
A posturepedic buoyancy device for supporting a person lying on said device in water or on land in a manner to minimize postural strain comprises an inflatable mattress having attached thereto an inflatable lumbar elevation cushion on the top surface of t...
02/09/1988
4715837Underwater viewing device
An underwater viewing device that may be held in the water from a moving boat for viewing below the surface of the water. The device includes a transparent bottom with side walls secured thereto and extending upwardly therefrom, the side walls forming a w...
12/29/1987
4691658Aquatic sport device
An aquatic sport device includes a buoyant board configured for supporting a user in a prone position thereon and sized to enable the user supported thereby to manually paddle while in a prone position in order to move the buoyant board through the water....
09/08/1987
4553819Visual aid apparatus for viewing objects beneath water surface
A visual aid apparatus (10) is disclosed. The apparatus (10) permits clear vision through the surface of the water. Apparatus (10) includes a relatively thin transparent sheet (11) which is preferably circular. A buoyant, closed-wall member (12) is secure...
11/19/1985
4553494Aquatic camera
An aquatic camera apparatus consisting of a transparent screen separating an upper dark dry chamber from a lower vacuum wet chamber. The upper dark chamber is provided with a folding camera obscura and a looking mask for the viewer. A drainage valve is pr...
11/19/1985
4465468Underwater viewing device
An underwater viewing device in the form of a generally rectangular, open topped, one-piece, transparent container having a flexible pad at the open top for the face of the user, ventilation openings formed through the upper front and rear walls of the de...
08/14/1984
4234978Cot
A light weight, two piece cot comprising first and second rectangular shaped molded members which form a contoured surface for supporting a person when fitted together. Each member has two sides and two ends and an upward facing surface with a ridge forme...
11/25/1980
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